的jqGrid不显示数据

的jqGrid不显示数据

本文介绍了的jqGrid不显示数据的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我已经创建的jqGrid和ASP.net客户端和服务器端。网格显示,但没有数据。我看不到结果。网格显示,但没有数据。

服务器端
编码

 使用系统;
    使用System.Collections.Generic;
    使用System.Collections.ObjectModel;
    使用System.Data这;
    使用System.Data.SqlClient的;
    使用的System.Web;
    使用System.Web.Script.Serialization;    样本空间
    {
        公共结构JQGridResults
        {
            公众诠释页;
            公众诠释总量;
            公众诠释记录;
            公共JQGridRow []的行;        }
        公共结构JQGridRow
        {
            公众诠释身份证;
            公共字符串[]细胞;
        }        [Serializable接口]
        公共类用户
        {
            公众诠释用户名
            {搞定;组; }            公共字符串用户名
            {搞定;组; }            公共字符串名字
            {搞定;组; }            公共字符串中间名
            {搞定;组; }            公共字符串姓氏
            {搞定;组; }            公共字符串EMAILID
            {搞定;组; }
            ///<总结>
            ///为jqgridhandler摘要说明
            ///< /总结>
            公共类jqGridHandler:IHttpHandler的
            {                公共无效的ProcessRequest(HttpContext的背景下)
                {
                    HTT prequest请求= context.Request;
                    HTT presponse响应= context.Response;                    字符串_search =请求[_搜索];
                    字符串numberOfRows =请求[行];
                    字符串的PageIndex =请求[页];
                    字符串sortColumnName =请求[SIDX];
                    字符串sortOrderBy =请求[SORD];
                    INT总记录;
                    收藏<使用者>用户= GetUsers(numberOfRows,PageIndex的,sortColumnName,sortOrderBy,出总记录);
                    字符串输出= BuildJQGridResults(用户,Convert.ToInt32(numberOfRows),Convert.ToInt32(PageIndex的),Convert.ToInt32(总记录));
                    RESPONSE.WRITE(输出);
                }                私人字符串BuildJQGridResults(集合<使用者>的用户,INT numberOfRows,诠释的PageIndex,INT总记录)
                {                    JQGridResults结果=新JQGridResults();
                    清单< JQGridRow>行=新的List< JQGridRow>();
                    的foreach(在用户使用的用户)
                    {
                        JQGridRow行=新JQGridRow();
                        row.id = user.UserID;
                        row.cell =新的字符串[6];
                        row.cell [0] = user.UserID.ToString();
                        row.cell [1] = user.UserName;
                        row.cell [2] = user.FirstName;
                        row.cell [3] = user.MiddleName;
                        row.cell [4] = user.LastName;
                        row.cell [5] = user.EmailID;
                        rows.Add(行);
                    }
                    result.rows = rows.ToArray();
                    result.page = PageIndex的;
                    result.total =总记录/ numberOfRows;
                    result.records =总记录;
                    返回新的JavaScriptSerializer()序列化(结果)。
                }                私人收藏<使用者> GetUsers(字符串numberOfRows,字符串的PageIndex,串sortColumnName,串sortOrderBy,OUT INT总记录)
                {
                    收藏<使用者>用户=新的集合<使用者>();
                    字符串的connectionString =;                    使用(SqlConnection的连接=新的SqlConnection(的connectionString))
                    {
                        使用(的SqlCommand命令=新的SqlCommand())
                        {
                            command.Connection =连接;
                            command.CommandText =选择向tblUsers *;
                            command.CommandType = CommandType.Text; // StoredProcedure的;                            的SqlParameter paramPageIndex =新的SqlParameter(@ PageIndex的SqlDbType.Int);
                            paramPageIndex.Value = Convert.ToInt32(PageIndex的);
                            command.Parameters.Add(paramPageIndex);                            的SqlParameter paramColumnName =新的SqlParameter(@ SortColumnName,SqlDbType.VarChar,50);
                            paramColumnName.Value = sortColumnName;
                            command.Parameters.Add(paramColumnName);                            的SqlParameter paramSortorderBy =新的SqlParameter(@ SortOrderBy,SqlDbType.VarChar,4);
                            paramSortorderBy.Value = sortOrderBy;
                            command.Parameters.Add(paramSortorderBy);                            的SqlParameter paramNumberOfRows =新的SqlParameter(@ NumberOfRows,SqlDbType.Int);
                            paramNumberOfRows.Value = Convert.ToInt32(numberOfRows);
                            command.Parameters.Add(paramNumberOfRows);                            的SqlParameter paramTotalRecords =新的SqlParameter(@总记录,SqlDbType.Int);
                            总记录= 0;
                            paramTotalRecords.Value =总记录;
                            paramTotalRecords.Direction = ParameterDirection.Output;
                            command.Parameters.Add(paramTotalRecords);
                            connection.Open();                            使用(SqlDataReader的的DataReader = Command.ExecuteReader却())
                            {
                                用户用户;
                                而(dataReader.Read())
                                {
                                    用户=新用户();
                                    user.UserID =(INT)的DataReader [用户名];
                                    user.UserName = Convert.ToString(DataReader的[用户名]);
                                    user.FirstName = Convert.ToString(DataReader的[名字]);
                                    user.MiddleName = Convert.ToString(DataReader的[中间名]);
                                    user.LastName = Convert.ToString(DataReader的[姓氏]);
                                    user.EmailID = Convert.ToString(DataReader的[EMAILID]);
                                    users.Add(用户);
                                }
                            }
                            总记录=(INT)paramTotalRecords.Value;
                        }                        回报用户;
                    }                }
                公共BOOL IsReusable
                {
                    //要启用池,在这里返回true。
                    //这将保持在内存中处理。
                    获得{返回false; }
                }
            }
        }
    }

客户端

 <%@页面语言=C#AutoEventWireup =真codeBehind =sample.aspx.cs继承=sample.WebForm1%GT;!< D​​OCTYPE HTML PUBLIC -  // W3C // DTD XHTML 1.0过渡// ENhttp://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">< HTML的xmlns =htt​​p://www.w3.org/1999/xhtml>
<头=服务器>
<标题>< /标题>
&所述;! - jQuery的用户界面的主题,将由网格使用 - >
    <链接rel =stylesheet属性类型=文/ CSS媒体=屏幕上的href =htt​​p://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.11/themes/redmond/jquery-ui的.css/>
    <! - 在jQuery UI的主题扩展的jqGrid需求 - >
    <链接rel =stylesheet属性类型=文/ CSS媒体=屏幕上的href =主题/ ui.jqgrid.css/>
    <! - jQuery的运行时缩小的 - >
    <脚本SRC =htt​​p://ajax.microsoft.com/ajax/jquery/jquery-1.5.2.min.js类型=文/ JavaScript的>< / SCRIPT>
    <! - 我们需要的本地化文件,英语在这种情况下 - >
    <脚本SRC =JS / trirand /国际化/ grid.locale-en.js类型=文/ JavaScript的>< / SCRIPT>
    <! - 在jqGrid的客户端JavaScript - >
    <脚本SRC =JS / trirand / jquery.jqGrid.min.js类型=文/ JavaScript的>< / SCRIPT>    <脚本类型=文/ JavaScript的>
        $(函数(){
            $(#UsersGrid)。jqGrid的({
                网址:'jqGridHandler.ashx',
                数据类型:JSON,
                高度:250,
                colNames:用户名,用户名,名字,中间名,姓氏,EMAILID'],
                colModel:
                        {名称:'用户名',索引:用户名,宽度:100,排序:真正},
                        {名:用户名,宽度:100,排序:真正},
                        {名称:'名字',宽度:100,排序:真正},
                        {名称:'中间名',宽度:100,排序:真正},
                        {名称:'姓氏',宽度:100,排序:真正},
                        {名称:'EMAILID',宽度:150,排序:真正}
                    ]
                的rowNum:10,
                rowList:[10,20,30],
                呼叫器:#UsersGridPager',
                sortname:用户名,
                viewrecords:真实,
                排序顺序:ASC,
                标题:JSON示例
            });            $(#UsersGrid)的jqGrid('navGrid','#UsersGridPager',{编辑:假的,加:假的,德尔:假})。
        });    < / SCRIPT>
< /头>
<身体GT;
    <% - <表ID =的HtmlForm=服务器> - %GT;
    <表ID =UsersGrid的cellpadding =0CELLSPACING =0>< /表>
        < D​​IV ID =UsersGridPager>< / DIV>   <% - < /形式为GT; - %GT;
< /身体GT;
< / HTML>

什么是错的呢?不显示数据。
谢谢

更新

  $(文件)。就绪(函数(){
        $阿贾克斯({
            输入:POST,
            的contentType:应用/ JSON的;字符集= UTF-8,
            网址:jqGridHandler.ashx
            数据类型:JSON,
            成功:函数(结果){
                VAR JQResult = JSON.parse(结果);                冷= JQResult.colData;
                科隆= JQResult.colNames;
                VAR科尔姆= JQResult.colModel;                警报(result.colModel);
                jQuery的(#UsersGrid)。jqGrid的(
                                    {
                                        jsonReader:{repeatitems:假电池:,ID:0},
                                        网址:jqGridHandler.ashx
                                        数据类型:JSON,
                                        MTYPE:'POST',                                        数据:性寒,
                                        ColNames:科隆,
                                        ColModel:科尔姆,
                                        高度:自动,
                                        GridView控件:真实,
                                        传呼机:#UsersGrid',
                                        的rowNum:5,
                                        rowList:[5,10,20,50],
                                        viewrecords:真实,
                                        loadComplete:功能(数据){
                                            警报('完全加载');
                                        },
                                        loadError:功能(){
                                            警报('错误');
                                        }
                                    });
            },
            错误:函数(X,E){
                警报(x.readyState +''+ x.status + e.msg);
            }
        });    });

有关动态的更新vesion

 使用系统;
使用System.Collections.Generic;
使用System.Collections.ObjectModel;
使用System.Data这;
使用System.Data.SqlClient的;
使用的System.Web;
使用System.Web.Script.Serialization;命名空间jqGridInWebForm {
    ///<总结>
    ///为jqGridHandler摘要说明
    ///< /总结>
    公共结构JQGridResults {
        公众诠释页;
        公众诠释总量;
        公众诠释记录;
        公共JQGridRow []的行;
    }
    公共结构JQGridRow {
        公众诠释身份证;
        公共字符串[]细胞;
    }
    公共枚举GridType
    {
        GRID_TYPE_TEXT,
        GRID_TYPE_DATE,
        GRID_TYPE_INT,
        GRID_TYPE_DOUBLE
    }    [Serializable接口]
    公共类用户{
        公众诠释用户名{搞定;组; }
        公共字符串用户名{获得;组; }
        公共字符串名字{获得;组; }
        公共字符串中间名{获得;组; }
        公共字符串名字{获得;组; }
        公共字符串EMAILID {搞定;组; }
        公共字符串电话{搞定;组; }    }    公共类clsGridData
    {
        公开名单<串GT; _Columns =新的List<串GT;();
        公开名单<字符串[]> _Cells =新的List<字符串[]>();        公共无效InitFields(字符串P_SQL,串P_TYPE)
        {
            INT _count;
            字符串的connectionString =; // P_SQL
            使用(SqlConnection的连接=新的SqlConnection(的connectionString))
            {
                使用(的SqlCommand命令=新的SqlCommand())
                {
                    command.Connection =连接;
                    command.CommandText =选择向tblUsers *;
                    command.CommandType = CommandType.Text; // StoredProcedure的;
                    connection.Open();                    使用(SqlDataReader的的DataReader = Command.ExecuteReader却())
                    {
                        串MyField的;
                        对于(_count = 0;&_count LT; dataReader.FieldCount; _count ++)
                        {
                            MyField的= dataReader.GetName(_count);
                            _Columns.Add(MyField的);
                        }                        而(dataReader.Read())
                        {
                            字符串[] =了myCell新的字符串[dataReader.FieldCount]
                            对于(_count = 0;&_count LT; dataReader.FieldCount; _count ++)
                            {
                                了myCell [_count = Convert.ToString(DataReader的[_count]);
                            }
                            _Cells.Add(了myCell);
                        }
                    }                }
            }        }
    }    ///<总结>
        ///为jqgridhandler摘要说明
        ///< /总结>
        公共类jqGridHandler:IHttpHandler的
        {            公共无效的ProcessRequest(HttpContext的背景下){
                HTT prequest请求= context.Request;
                HTT presponse响应= context.Response;
                字符串_search =请求[_搜索];
                字符串numberOfRows =请求[行];
                字符串的PageIndex =请求[页];
                字符串sortColumnName =请求[SIDX];
                字符串sortOrderBy =请求[SORD];                // INT总记录;
                //列表<使用者>用户= GetUsers(numberOfRows,PageIndex的,sortColumnName,sortOrderBy,出总记录);
                clsGridData i_grid_data =新clsGridData();
                i_grid_data.InitFields(,);
                字符串输出= BuildJQGridResults(i_grid_data,Convert.ToInt32(numberOfRows),Convert.ToInt32(的PageIndex));
                //字符串输出= BuildJQGridResults(用户,Convert.ToInt32(numberOfRows),Convert.ToInt32(PageIndex的),Convert.ToInt32(总记录));
                RESPONSE.WRITE(输出);
            }            私人字符串BuildJQGridResults(clsGridData P_GRID_DATA,诠释numberOfRows,诠释的PageIndex)
            {                JQGridResults结果=新JQGridResults();
                清单< JQGridRow>行=新的List< JQGridRow>();
                INT _count;                的foreach(字符串[]在P_GRID_DATA._Cells细胞)
                {
                    JQGridRow行=新JQGridRow();
                    row.cell =新的字符串[Cells.GetUpperBound(0)];
                    //row.id = user.UserID;
                    为(_count = 0; _count&下; C​​ells.GetUpperBound(0); _count ++)
                    {
                        row.cell [_count] =细胞[_count]的ToString();
                    }
                    rows.Add(行);
                }                result.rows = rows.ToArray();
                result.page = PageIndex的;
                result.total =(P_GRID_DATA._Cells.Count + numberOfRows - 1)/ numberOfRows;
                result.records = P_GRID_DATA._Cells.Count;
                返回新的JavaScriptSerializer()序列化(结果)。
            }
            //私人字符串BuildJQGridResults(列表<使用者>的用户,INT numberOfRows,诠释的PageIndex,诠释总记录){            // JQGridResults结果=新JQGridResults();
            //列表< JQGridRow>行=新的List< JQGridRow> ();
            //的foreach(在用户使用的用户)
            // {
            // JQGridRow行=新JQGridRow();
            // row.id = user.UserID;
            // row.cell =新的字符串[6];            // row.cell [0] = user.UserID.ToString();
            // row.cell [1] = user.UserName;
            // row.cell [2] = user.FirstName;
            // row.cell [3] = user.MiddleName;
            // row.cell [4] = user.LastName;
            // row.cell [5] = user.EmailID;
            // row.cell [6] = user.Phone;            // rows.Add(行);
            //}
            // result.rows = rows.ToArray();
            // result.page = PageIndex的;
            // result.total =(总记录+ numberOfRows - 1)/ numberOfRows;
            // result.records =总记录;
            //返回新的JavaScriptSerializer().Serialize(结果);
            //}
            私人列表<使用者> GetDummyUsers(字符串numberOfRows,字符串的PageIndex,串sortColumnName,串sortOrderBy,OUT INT总记录)
            {
                VAR数据=新的List<使用者>
                {
                    新用户(){EMAILID [email protected],名字=约翰,姓氏=阿拉亚,用户ID = 1,用户名=埃弗雷姆}
                };
                总记录= data.Count;
                返回的数据;
            }
        私人列表<使用者> GetUsers(字符串numberOfRows,字符串的PageIndex,串sortColumnName,串sortOrderBy,OUT INT总记录)
        {
                清单<使用者>用户=新的List<使用者> ();                字符串的connectionString =;                使用(SqlConnection的连接=新的SqlConnection(的connectionString))
                {
                    使用(的SqlCommand命令=新的SqlCommand())
                    {
                        command.Connection =连接;
                        command.CommandText =选择向tblUsers *;
                        command.CommandType = CommandType.Text; // StoredProcedure的;                        //的SqlParameter paramPageIndex =新的SqlParameter(@PageIndex,SqlDbType.Int);
                        //paramPageIndex.Value = Convert.ToInt32(PageIndex的);
                        //command.Parameters.Add(paramPageIndex);                        //的SqlParameter paramColumnName =新的SqlParameter(@SortColumnName,SqlDbType.VarChar,50);
                        //paramColumnName.Value = sortColumnName;
                        //command.Parameters.Add(paramColumnName);                        //的SqlParameter paramSortorderBy =新的SqlParameter(@SortOrderBy,SqlDbType.VarChar,4);
                        //paramSortorderBy.Value = sortOrderBy;
                        //command.Parameters.Add(paramSortorderBy);                        //的SqlParameter paramNumberOfRows =新的SqlParameter(@NumberOfRows,SqlDbType.Int);
                        //paramNumberOfRows.Value = Convert.ToInt32(numberOfRows);
                        //command.Parameters.Add(paramNumberOfRows);                        //的SqlParameter paramTotalRecords =新的SqlParameter(@TotalRecords,SqlDbType.Int);
                        //总记录= 0;
                        //paramTotalRecords.Value =总记录;
                        //paramTotalRecords.Direction = ParameterDirection.Output;
                        //command.Parameters.Add(paramTotalRecords);
                        connection.Open();                        使用(SqlDataReader的的DataReader = Command.ExecuteReader却())
                        {
                            用户用户;
                            而(dataReader.Read())
                            {
                                用户=新用户();
                                user.UserID =(INT)的DataReader [用户名];
                                user.UserName = Convert.ToString(DataReader的[用户名]);
                                user.FirstName = Convert.ToString(DataReader的[名字]);
                                user.MiddleName = Convert.ToString(DataReader的[中间名]);
                                user.LastName = Convert.ToString(DataReader的[姓氏]);
                                user.EmailID = Convert.ToString(DataReader的[EMAILID]);
                                users.Add(用户);
                            }
                        }
                        //总记录=(INT)paramTotalRecords.Value;
                    }
                    总记录= 0;
                    回报用户;
                }            }
            公共BOOL IsReusable {
                //要启用池,在这里返回true。
                //这将保持在内存中处理。
                获得{返回false; }
            }
    }
}


解决方案

我已经修改源,目前记录显示很顺利,但唯一的问题是,搜索不工作,可以请你看看?我的codeS给出如下:

aspx页面:

 <%@页面语言=C#AutoEventWireup =真codeFILE =JQGrid.aspx.cs继承=jqGrid的%>!< D​​OCTYPE HTML PUBLIC -  // W3C // DTD XHTML 1.0过渡// ENhttp://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">< HTML的xmlns =htt​​p://www.w3.org/1999/xhtml>
<头ID =头像1=服务器>
    <标题>< /标题>
    <% - <链接rel =stylesheet属性HREF =htt​​p://ajax.googleapis.com/ajax/libs/jqueryui/1.8.8/themes/ui-darkness/jquery-ui.css类型= 文/ CSS媒体=所有/> - %GT;    <链接rel =stylesheet属性类型=文/ CSS媒体=屏幕上的href =htt​​p://ajax.aspnetcdn.com/ajax/jquery.ui/1.9.2/themes/redmond/jquery-ui的.css/>
    <链接HREF =jqScripts / CSS / ui.jqgrid.css的rel =stylesheet属性类型=文/ CSS/>
    <脚本SRC =htt​​p://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js类型=文/ JavaScript的>< / SCRIPT>
    <脚本SRC =jqScripts / JS /国际化/ grid.locale-en.js类型=文/ JavaScript的>< / SCRIPT>
    <脚本SRC =jqScripts / JS / jquery.jqGrid.min.js类型=文/ JavaScript的>< / SCRIPT>    <脚本类型=文/ JavaScript的>
        $(函数(){
            $(#UsersGrid)。jqGrid的({
                网址:'jqGridHandler.ashx',
                数据类型:JSON,
                高度:250,
                colNames:客户ID,公司名称,联系人姓名,联系人头衔,地址,城市,邮政code','国家'],
                colModel:
                        {名称:'CUSTOMERID',索引:客户ID,宽度:75,排序:真正},
                        {名:公司名称,宽度:100,排序:真正},
                        {名称:'联系人姓名',宽度:100,排序:真正},
                        {名称:'联系人头衔',宽度:100,排序:真正},
                        {名称:'地址',宽度:100,排序:真正},
                        {名称:'市',宽度:100,排序:真正},
                        {名称:'邮政code',宽度:100,排序:真正},
                        {名称:'国家',宽度:150,排序:真正}
                    ]
                的rowNum:10,
                rowList:[10,20,30],
                呼叫器:#UsersGridPager',
                sortname:客户ID,
                viewrecords:真实,
                排序顺序:ASC,
                标题:我的数据
            });            $(#UsersGrid)的jqGrid('navGrid','#UsersGridPager',{编辑:假的,加:假的,德尔:假})。
        });    < / SCRIPT>< /头>
<身体GT;
    <表ID =的HtmlForm=服务器>
    <表ID =UsersGrid的cellpadding =0CELLSPACING =0>
        < D​​IV ID =UsersGridPager>
        < / DIV>
    < /表>
    < /表及GT;
< /身体GT;
< / HTML>

和ASHX:

 <%@ WebHandler LANGUAGE =C#类=jqGridHandler%GT;使用系统;
使用System.Collections.Generic;使用System.Collections.ObjectModel;使用System.Data这;使用System.Data.SqlClient的;使用的System.Web;使用System.Web.Script.Serialization;公共类jqGridHandler:IHttpHandler的
{    公共无效的ProcessRequest(HttpContext的背景下)
    {
        HTT prequest请求= context.Request;
        HTT presponse响应= context.Response;        字符串_search =请求[_搜索];
        字符串numberOfRows =请求[行];
        //串numberOfRows =10;
        字符串的PageIndex =请求[页];
        字符串sortColumnName =请求[SIDX];
        字符串sortOrderBy =请求[SORD];
        INT总记录;
        //公共的DataTable GetDataTable(字符串SIDX,串SORD,诠释页,诠释的pageSize)
        收藏<使用者>用户= GetUsers(numberOfRows,PageIndex的,sortColumnName,sortOrderBy,出条,当前_search);
        字符串输出= BuildJQGridResults(用户,Convert.ToInt32(numberOfRows),Convert.ToInt32(PageIndex的),Convert.ToInt32(总记录));
        RESPONSE.WRITE(输出);
    }    私人字符串BuildJQGridResults(集合<使用者>的用户,INT numberOfRows,诠释的PageIndex,INT总记录)
    {        JQGridResults结果=新JQGridResults();
        清单< JQGridRow>行=新的List< JQGridRow>();
        的foreach(在用户使用的用户)
        {
            JQGridRow行=新JQGridRow();
            row.id = user.CustomerID;
            row.cell =新的字符串[8];
            row.cell [0] = user.CustomerID;
            row.cell [1] = user.CompanyName;
            row.cell [2] = user.ContactName;
            row.cell [3] = user.ContactTitle;
            row.cell [4] = user.Address;
            row.cell [5] = user.City;
            row.cell [6] = user.Postal code;
            row.cell [7] = user.Country;            rows.Add(行);
        }
        result.rows = rows.ToArray();
        result.page = PageIndex的;
        result.total =总记录/ numberOfRows;
        result.records =总记录;
        返回新的JavaScriptSerializer()序列化(结果)。
    }    私人收藏<使用者> GetUsers(字符串numberOfRows,字符串的PageIndex,串sortColumnName,串sortOrderBy,OUT INT条,当前字符串_search)
    {
        收藏<使用者>用户=新的集合<使用者>();
        字符串的connectionString =数据源= ritetechno \\\\ sqlex preSS;初始目录=罗斯文;集成安全性=真;
        //<添加名称=构造的connectionString =数据源=阿卜杜勒思考;初始目录=罗斯文;集成安全性=真的providerName =System.Data.SqlClient的/>        使用(SqlConnection的连接=新的SqlConnection(的connectionString))
        {
            使用(的SqlCommand命令=新的SqlCommand())
            {
                INT其行= Convert.ToInt32(numberOfRows)*(Convert.ToInt32(的PageIndex));
                INT excluderows = Convert.ToInt32(numberOfRows)*((Convert.ToInt32(的PageIndex)-1));
                command.Connection =连接;
                command.CommandText =SELECT TOP+其行+客户ID,公司名称,联系人姓名,联系人头衔,地址,城市,邮政code国,来自客户的客户ID WHERE NOT IN(SELECT TOP+ excluderows +客户ID客户) ;
                command.CommandType = CommandType.Text;
                connection.Open();                使用(SqlDataReader的的DataReader = Command.ExecuteReader却())
                {
                    用户用户;
                    而(dataReader.Read())
                    {
                        用户=新用户();
                        user.CustomerID = Convert.ToString(DataReader的[客户ID]);
                        user.CompanyName = Convert.ToString(DataReader的[公司名称]);
                        user.ContactName = Convert.ToString(DataReader的[联系人姓名]);
                        user.ContactTitle = Convert.ToString(DataReader的[联系人头衔]);
                        user.Address = Convert.ToString(DataReader的[地址]);
                        user.City = Convert.ToString(DataReader的[市]);
                        user.Postal code = Convert.ToString(DataReader的[邮政code]);
                        user.Country = Convert.ToString(DataReader的[国家]);
                        users.Add(用户);
                    }
                }
                字符串cmdTotRec =SELECT COUNT(*)FROM客户;
                的SqlCommand chkTotRec =新的SqlCommand(cmdTotRec,连接);
                总记录= Convert.ToInt32(chkTotRec.ExecuteScalar()的ToString());
                connection.close()时;
            }            回报用户;
        }    }
    公共BOOL IsReusable
    {
        //要启用池,在这里返回true。
        //这将保持在内存中处理。
        获得{返回false; }
    }    公共结构JQGridResults
    {
        公众诠释页;
        公众诠释总量;
        公众诠释记录;
        公共JQGridRow []的行;    }
    公共结构JQGridRow
    {
        公共字符串ID;
        公共字符串[]细胞;
    }    [Serializable接口]
    公共类用户
    {
        公共字符串客户ID {搞定;组; }
        公共字符串公司名称{搞定;组; }
        公共字符串联系人姓名{搞定;组; }
        公共字符串联系人头衔{搞定;组; }
        公共字符串地址{搞定;组; }
        公共字符串城{搞定;组; }
        公共字符串邮政code {搞定;组; }
        公共字符串国家{搞定;组; }
    }
}

I have created both client and server side for JQgrid and ASP.net. The grid is displayed but with no data. I could not see the result. The grid displayed but no data.

Server sidecoding

  using System;
    using System.Collections.Generic;
    using System.Collections.ObjectModel;
    using System.Data;
    using System.Data.SqlClient;
    using System.Web;
    using System.Web.Script.Serialization;

    namespace sample
    {
        public struct JQGridResults
        {
            public int page;
            public int total;
            public int records;
            public JQGridRow[] rows;

        }
        public struct JQGridRow
        {
            public int id;
            public string[] cell;
        }

        [Serializable]
        public class User
        {
            public int UserID
            { get; set; }

            public string UserName
            { get; set; }

            public string FirstName
            { get; set; }

            public string MiddleName
            { get; set; }

            public string LastName
            { get; set; }

            public string EmailID
            { get; set; }
            /// <summary>
            /// Summary description for jqgridhandler
            /// </summary>
            public class jqGridHandler : IHttpHandler
            {

                public void ProcessRequest(HttpContext context)
                {
                    HttpRequest request = context.Request;
                    HttpResponse response = context.Response;

                    string _search = request["_search"];
                    string numberOfRows = request["rows"];
                    string pageIndex = request["page"];
                    string sortColumnName = request["sidx"];
                    string sortOrderBy = request["sord"];


                    int totalRecords;
                    Collection<User> users = GetUsers(numberOfRows, pageIndex, sortColumnName, sortOrderBy, out totalRecords);
                    string output = BuildJQGridResults(users, Convert.ToInt32(numberOfRows), Convert.ToInt32(pageIndex), Convert.ToInt32(totalRecords));
                    response.Write(output);
                }

                private string BuildJQGridResults(Collection<User> users, int numberOfRows, int pageIndex, int totalRecords)
                {

                    JQGridResults result = new JQGridResults();
                    List<JQGridRow> rows = new List<JQGridRow>();
                    foreach (User user in users)
                    {
                        JQGridRow row = new JQGridRow();
                        row.id = user.UserID;
                        row.cell = new string[6];
                        row.cell[0] = user.UserID.ToString();
                        row.cell[1] = user.UserName;
                        row.cell[2] = user.FirstName;
                        row.cell[3] = user.MiddleName;
                        row.cell[4] = user.LastName;
                        row.cell[5] = user.EmailID;
                        rows.Add(row);
                    }
                    result.rows = rows.ToArray();
                    result.page = pageIndex;
                    result.total = totalRecords / numberOfRows;
                    result.records = totalRecords;
                    return new JavaScriptSerializer().Serialize(result);
                }

                private Collection<User> GetUsers(string numberOfRows, string pageIndex, string sortColumnName, string sortOrderBy, out int totalRecords)
                {
                    Collection<User> users = new Collection<User>();
                    string connectionString = "";

                    using (SqlConnection connection = new SqlConnection(connectionString))
                    {
                        using (SqlCommand command = new SqlCommand())
                        {
                            command.Connection = connection;
                            command.CommandText = "select * from tblusers" ;
                            command.CommandType = CommandType.Text; // StoredProcedure;

                            SqlParameter paramPageIndex = new SqlParameter("@PageIndex", SqlDbType.Int);
                            paramPageIndex.Value = Convert.ToInt32(pageIndex);
                            command.Parameters.Add(paramPageIndex);

                            SqlParameter paramColumnName = new SqlParameter("@SortColumnName", SqlDbType.VarChar, 50);
                            paramColumnName.Value = sortColumnName;
                            command.Parameters.Add(paramColumnName);

                            SqlParameter paramSortorderBy = new SqlParameter("@SortOrderBy", SqlDbType.VarChar, 4);
                            paramSortorderBy.Value = sortOrderBy;
                            command.Parameters.Add(paramSortorderBy);

                            SqlParameter paramNumberOfRows = new SqlParameter("@NumberOfRows", SqlDbType.Int);
                            paramNumberOfRows.Value = Convert.ToInt32(numberOfRows);
                            command.Parameters.Add(paramNumberOfRows);

                            SqlParameter paramTotalRecords = new SqlParameter("@TotalRecords", SqlDbType.Int);
                            totalRecords = 0;
                            paramTotalRecords.Value = totalRecords;
                            paramTotalRecords.Direction = ParameterDirection.Output;
                            command.Parameters.Add(paramTotalRecords);


                            connection.Open();

                            using (SqlDataReader dataReader = command.ExecuteReader())
                            {
                                User user;
                                while (dataReader.Read())
                                {
                                    user = new User();
                                    user.UserID = (int)dataReader["UserID"];
                                    user.UserName = Convert.ToString(dataReader["UserName"]);
                                    user.FirstName = Convert.ToString(dataReader["FirstName"]);
                                    user.MiddleName = Convert.ToString(dataReader["MiddleName"]);
                                    user.LastName = Convert.ToString(dataReader["LastName"]);
                                    user.EmailID = Convert.ToString(dataReader["EmailID"]);
                                    users.Add(user);
                                }
                            }
                            totalRecords = (int)paramTotalRecords.Value;
                        }

                        return users;
                    }

                }
                public bool IsReusable
                {
                    // To enable pooling, return true here.
                    // This keeps the handler in memory.
                    get { return false; }
                }
            }
        }
    }

Client side

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="sample.aspx.cs" Inherits="sample.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<!-- The jQuery UI theme that will be used by the grid -->
    <link rel="stylesheet" type="text/css" media="screen" href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.11/themes/redmond/jquery-ui.css" />
    <!-- The jQuery UI theme extension jqGrid needs -->
    <link rel="stylesheet" type="text/css" media="screen" href="themes/ui.jqgrid.css" />
    <!-- jQuery runtime minified -->
    <script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.5.2.min.js" type="text/javascript"></script>
    <!-- The localization file we need, English in this case -->
    <script src="js/trirand/i18n/grid.locale-en.js"type="text/javascript"></script>
    <!-- The jqGrid client-side javascript -->
    <script src="js/trirand/jquery.jqGrid.min.js" type="text/javascript"></script>

    <script type="text/javascript">
        $(function () {
            $("#UsersGrid").jqGrid({
                url: 'jqGridHandler.ashx',
                datatype: 'json',
                height: 250,
                colNames: ['UserID', 'UserName', 'FirstName', 'MiddleName', 'LastName', 'EmailID'],
                colModel: [
                        { name: 'UserID', index: 'UserID', width: 100, sortable: true },
                        { name: 'UserName', width: 100, sortable: true },
                        { name: 'FirstName', width: 100, sortable: true },
                        { name: 'MiddleName', width: 100, sortable: true },
                        { name: 'LastName', width: 100, sortable: true },
                        { name: 'EmailID', width: 150, sortable: true }
                    ],
                rowNum: 10,
                rowList: [10, 20, 30],
                pager: '#UsersGridPager',
                sortname: 'UserID',
                viewrecords: true,
                sortorder: 'asc',
                caption: 'JSON Example'
            });

            $("#UsersGrid").jqGrid('navGrid', '#UsersGridPager', { edit: false, add: false, del: false });
        });

    </script>
</head>
<body>
    <%--<form id="HtmlForm" runat="server">--%>
    <table id="UsersGrid" cellpadding="0" cellspacing="0"></table>
        <div id="UsersGridPager"></div>

   <%-- </form>--%>
</body>
</html>

What is wrong with it? Data is not displayed.Thank you

Updated

$(document).ready(function () {
        $.ajax({
            type: 'POST',
            contentType: "application/json; charset=utf-8",
            url: "jqGridHandler.ashx",
            datatype: 'json',
            success: function (result) {
                var JQResult = JSON.parse(result);

                colD = JQResult.colData;
                colN = JQResult.colNames;
                var colM = JQResult.colModel;

                alert(result.colModel);
                jQuery("#UsersGrid").jqGrid(
                                    {
                                        jsonReader: { repeatitems: false, cell: "", id: "0" },
                                        url: "jqGridHandler.ashx",
                                        datatype: 'json',
                                        mtype: 'POST',

                                        data: colD,
                                        ColNames: colN,
                                        ColModel: ColM,
                                        height: "auto",
                                        gridview: true,
                                        Pager: '#UsersGrid',
                                        rowNum: 5,
                                        rowList: [5, 10, 20, 50],
                                        viewrecords: true,
                                        loadComplete: function (data) {
                                            alert('loaded completely');
                                        },
                                        loadError: function () {
                                            alert('error');
                                        }
                                    });
            },
            error: function (x, e) {
                alert(x.readyState + ' ' + x.status + e.msg);
            }
        });

    });

Updated vesion for dynamic one

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Data;
using System.Data.SqlClient;
using System.Web;
using System.Web.Script.Serialization;

namespace jqGridInWebForm {
    /// <summary>
    /// Summary description for jqGridHandler
    /// </summary>
    public struct JQGridResults {
        public int page;
        public int total;
        public int records;
        public JQGridRow[] rows;
    }
    public struct JQGridRow {
        public int id;
        public string[] cell;
    }
    public enum GridType
    {
        GRID_TYPE_TEXT,
        GRID_TYPE_DATE,
        GRID_TYPE_INT,
        GRID_TYPE_DOUBLE
    }

    [Serializable]
    public class User {
        public int UserID { get; set; }
        public string UserName { get; set; }
        public string FirstName { get; set; }
        public string MiddleName { get; set; }
        public string LastName { get; set; }
        public string EmailID { get; set; }
        public string Phone { get; set; }

    }

    public class clsGridData
    {
        public List<string> _Columns = new List<string>();
        public List<string[]> _Cells = new List<string[]>();

        public void InitFields(string P_SQL, string P_TYPE)
        {
            int _count;
            string connectionString = "";//P_SQL
            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand command = new SqlCommand())
                {
                    command.Connection = connection;
                    command.CommandText = "select * from tblusers";
                    command.CommandType = CommandType.Text; // StoredProcedure;
                    connection.Open();

                    using (SqlDataReader dataReader = command.ExecuteReader())
                    {
                        string MyField;
                        for (_count = 0; _count < dataReader.FieldCount; _count++)
                        {
                            MyField = dataReader.GetName(_count);
                            _Columns.Add(MyField);
                        }

                        while (dataReader.Read())
                        {
                            string[] MyCell = new string[dataReader.FieldCount];
                            for (_count = 0; _count < dataReader.FieldCount; _count++)
                            {
                                MyCell[_count] = Convert.ToString(dataReader[_count]);
                            }
                            _Cells.Add(MyCell);
                        }
                    }

                }


            }

        }
    }



    /// <summary>
        /// Summary description for jqgridhandler
        /// </summary>
        public class jqGridHandler: IHttpHandler
        {



            public void ProcessRequest(HttpContext context) {
                HttpRequest request = context.Request;
                HttpResponse response = context.Response;


                string _search = request["_search"];
                string numberOfRows = request["rows"];
                string pageIndex = request["page"];
                string sortColumnName = request["sidx"];
                string sortOrderBy = request["sord"];

                //int totalRecords;
                //List<User> users = GetUsers(numberOfRows, pageIndex, sortColumnName, sortOrderBy, out totalRecords);
                clsGridData i_grid_data = new clsGridData();
                i_grid_data.InitFields("","");
                string output = BuildJQGridResults(i_grid_data, Convert.ToInt32(numberOfRows), Convert.ToInt32(pageIndex));
                //string output = BuildJQGridResults(users, Convert.ToInt32(numberOfRows), Convert.ToInt32(pageIndex), Convert.ToInt32(totalRecords));
                response.Write (output);
            }

            private string BuildJQGridResults(clsGridData P_GRID_DATA, int numberOfRows, int pageIndex)
            {

                JQGridResults result = new JQGridResults();
                List<JQGridRow> rows = new List<JQGridRow>();
                int _count;

                foreach (String[] Cells in P_GRID_DATA._Cells)
                {
                    JQGridRow row = new JQGridRow();
                    row.cell = new string[Cells.GetUpperBound(0)];
                    //row.id = user.UserID;
                    for (_count = 0;_count< Cells.GetUpperBound(0); _count++)
                    {
                        row.cell[_count] = Cells[_count].ToString();
                    }
                    rows.Add(row);
                }

                result.rows = rows.ToArray();
                result.page = pageIndex;
                result.total = (P_GRID_DATA._Cells.Count + numberOfRows - 1) / numberOfRows;
                result.records = P_GRID_DATA._Cells.Count;
                return new JavaScriptSerializer().Serialize(result);
            }
            //private string BuildJQGridResults(List<User> users, int numberOfRows, int pageIndex, int totalRecords) {

            //    JQGridResults result = new JQGridResults ();
            //    List<JQGridRow> rows = new List<JQGridRow> ();
            //    foreach (User user in users)
            //    {
            //        JQGridRow row = new JQGridRow ();
            //        row.id = user.UserID;
            //        row.cell = new string[6];

            //        row.cell[0] = user.UserID.ToString ();
            //        row.cell[1] = user.UserName;
            //        row.cell[2] = user.FirstName;
            //        row.cell[3] = user.MiddleName;
            //        row.cell[4] = user.LastName;
            //        row.cell[5] = user.EmailID;
            //        row.cell[6] = user.Phone ;



            //        rows.Add (row);
            //    }
            //    result.rows = rows.ToArray ();
            //    result.page = pageIndex;
            //    result.total = (totalRecords + numberOfRows - 1) / numberOfRows;
            //    result.records = totalRecords;
            //    return new JavaScriptSerializer ().Serialize (result);
            //}




            private List<User> GetDummyUsers(string numberOfRows, string pageIndex, string sortColumnName, string sortOrderBy, out int totalRecords)
            {
                var data = new List<User>
                {
                    new User(){EmailID = "[email protected]", FirstName = "John", LastName = "Araya", UserID = 1, UserName = "Efrem"}
                };
                totalRecords = data.Count;
                return data;
            }


        private List<User> GetUsers(string numberOfRows, string pageIndex, string sortColumnName, string sortOrderBy, out int totalRecords)
        {
                List<User> users = new List<User> ();

                string connectionString = "";

                using (SqlConnection connection = new SqlConnection (connectionString))
                {
                    using (SqlCommand command = new SqlCommand ())
                    {
                        command.Connection = connection;
                        command.CommandText = "select * from tblusers";
                        command.CommandType = CommandType.Text; // StoredProcedure;

                        //SqlParameter paramPageIndex = new SqlParameter ("@PageIndex", SqlDbType.Int);
                        //paramPageIndex.Value = Convert.ToInt32 (pageIndex);
                        //command.Parameters.Add (paramPageIndex);

                        //SqlParameter paramColumnName = new SqlParameter ("@SortColumnName", SqlDbType.VarChar, 50);
                        //paramColumnName.Value = sortColumnName;
                        //command.Parameters.Add (paramColumnName);

                        //SqlParameter paramSortorderBy = new SqlParameter ("@SortOrderBy", SqlDbType.VarChar, 4);
                        //paramSortorderBy.Value = sortOrderBy;
                        //command.Parameters.Add (paramSortorderBy);

                        //SqlParameter paramNumberOfRows = new SqlParameter ("@NumberOfRows", SqlDbType.Int);
                        //paramNumberOfRows.Value = Convert.ToInt32 (numberOfRows);
                        //command.Parameters.Add (paramNumberOfRows);

                        //SqlParameter paramTotalRecords = new SqlParameter ("@TotalRecords", SqlDbType.Int);
                        //totalRecords = 0;
                        //paramTotalRecords.Value = totalRecords;
                        //paramTotalRecords.Direction = ParameterDirection.Output;
                        //command.Parameters.Add (paramTotalRecords);


                        connection.Open ();

                        using (SqlDataReader dataReader = command.ExecuteReader ())
                        {
                            User user;
                            while (dataReader.Read ())
                            {
                                user = new User ();
                                user.UserID = (int)dataReader["UserID"];
                                user.UserName = Convert.ToString (dataReader["UserName"]);
                                user.FirstName = Convert.ToString (dataReader["FirstName"]);
                                user.MiddleName = Convert.ToString (dataReader["MiddleName"]);
                                user.LastName = Convert.ToString (dataReader["LastName"]);
                                user.EmailID = Convert.ToString (dataReader["EmailID"]);
                                users.Add (user);
                            }
                        }
                        //totalRecords = (int)paramTotalRecords.Value;
                    }
                    totalRecords = 0;
                    return users;
                }

            }
            public bool IsReusable {
                // To enable pooling, return true here.
                // This keeps the handler in memory.
                get { return false; }
            }
    }


}
解决方案

I have modified the source, now records are displayed very smoothly but the only problem is that the search is not working, can you please have a look? My Codes are given below:

The aspx page:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="JQGrid.aspx.cs" Inherits="JQGrid" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
    <%--<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.8/themes/ui-darkness/jquery-ui.css" type="text/css" media="all" />--%>

    <link rel="stylesheet" type="text/css" media="screen" href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.9.2/themes/redmond/jquery-ui.css" />
    <link href="jqScripts/css/ui.jqgrid.css" rel="stylesheet" type="text/css" />
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js" type="text/javascript"></script>
    <script src="jqScripts/js/i18n/grid.locale-en.js" type="text/javascript"></script>
    <script src="jqScripts/js/jquery.jqGrid.min.js" type="text/javascript"></script>

    <script type="text/javascript">
        $(function () {
            $("#UsersGrid").jqGrid({
                url: 'jqGridHandler.ashx',
                datatype: 'json',
                height: 250,
                colNames: ['CustomerID', 'CompanyName', 'ContactName', 'ContactTitle', 'Address', 'City', 'PostalCode', 'Country'],
                colModel: [
                        { name: 'CustomerID', index: 'CustomerID', width: 75, sortable: true },
                        { name: 'CompanyName', width: 100, sortable: true },
                        { name: 'ContactName', width: 100, sortable: true },
                        { name: 'ContactTitle', width: 100, sortable: true },
                        { name: 'Address', width: 100, sortable: true },
                        { name: 'City', width: 100, sortable: true },
                        { name: 'PostalCode', width: 100, sortable: true },
                        { name: 'Country', width: 150, sortable: true }
                    ],
                rowNum: 10,
                rowList: [10, 20, 30],
                pager: '#UsersGridPager',
                sortname: 'CustomerID',
                viewrecords: true,
                sortorder: 'asc',
                caption: 'My Data'
            });

            $("#UsersGrid").jqGrid('navGrid', '#UsersGridPager', { edit: false, add: false, del: false });
        });

    </script>

</head>
<body>
    <form id="HtmlForm" runat="server">
    <table id="UsersGrid" cellpadding="0" cellspacing="0">
        <div id="UsersGridPager">
        </div>
    </table>
    </form>
</body>
</html>

and the ashx:

<%@ WebHandler Language="C#" Class="jqGridHandler" %>

using System;
using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.Data;

using System.Data.SqlClient;

using System.Web;

using System.Web.Script.Serialization;

public class jqGridHandler : IHttpHandler
{

    public void ProcessRequest(HttpContext context)
    {
        HttpRequest request = context.Request;
        HttpResponse response = context.Response;

        string _search = request["_search"];
        string numberOfRows = request["rows"];
        //string numberOfRows = "10";
        string pageIndex= request["page"];
        string sortColumnName= request["sidx"];
        string sortOrderBy = request["sord"];


        int totalRecords;
        //public DataTable GetDataTable(string sidx, string sord, int page, int pageSize)
        Collection<User> users = GetUsers(numberOfRows, pageIndex, sortColumnName, sortOrderBy, out totalRecords, _search);
        string output = BuildJQGridResults(users, Convert.ToInt32(numberOfRows), Convert.ToInt32(pageIndex), Convert.ToInt32(totalRecords));
        response.Write(output);
    }

    private string BuildJQGridResults(Collection<User> users,int numberOfRows, int pageIndex,int totalRecords)
    {

        JQGridResults result = new JQGridResults();
        List<JQGridRow> rows = new List<JQGridRow>();
        foreach (User user in users)
        {
            JQGridRow row = new JQGridRow();
            row.id = user.CustomerID;
            row.cell = new string[8];
            row.cell[0] = user.CustomerID;
            row.cell[1] = user.CompanyName;
            row.cell[2] = user.ContactName;
            row.cell[3] = user.ContactTitle;
            row.cell[4] = user.Address;
            row.cell[5] = user.City;
            row.cell[6] = user.PostalCode;
            row.cell[7] = user.Country;

            rows.Add(row);
        }
        result.rows = rows.ToArray();
        result.page = pageIndex;
        result.total = totalRecords / numberOfRows;
        result.records = totalRecords;
        return new JavaScriptSerializer().Serialize(result);
    }

    private Collection<User> GetUsers(string numberOfRows, string pageIndex, string sortColumnName, string sortOrderBy, out int totalRecords, string _search)
    {
        Collection<User> users = new Collection<User>();
        string connectionString = "Data Source=ritetechno\\sqlexpress;Initial Catalog=Northwind;Integrated Security=True";
        //<add name="constr" connectionString="Data Source=Abdul-THINK;Initial Catalog=Northwind;Integrated Security=True" providerName="System.Data.SqlClient"/>

        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            using (SqlCommand command = new SqlCommand())
            {
                int numRows=Convert.ToInt32(numberOfRows)*(Convert.ToInt32(pageIndex));
                int excluderows=Convert.ToInt32(numberOfRows)*((Convert.ToInt32(pageIndex)-1));
                command.Connection = connection;
                command.CommandText = "SELECT TOP " + numRows + " CustomerID, CompanyName, ContactName, ContactTitle, Address, City, PostalCode, Country FROM Customers WHERE CustomerID NOT IN (SELECT TOP " + excluderows +" CustomerID FROM Customers)";
                command.CommandType = CommandType.Text;
                connection.Open();

                using (SqlDataReader dataReader = command.ExecuteReader())
                {
                    User user;
                    while (dataReader.Read())
                    {
                        user = new User();
                        user.CustomerID = Convert.ToString(dataReader["CustomerID"]);
                        user.CompanyName = Convert.ToString(dataReader["CompanyName"]);
                        user.ContactName = Convert.ToString(dataReader["ContactName"]);
                        user.ContactTitle = Convert.ToString(dataReader["ContactTitle"]);
                        user.Address = Convert.ToString(dataReader["Address"]);
                        user.City = Convert.ToString(dataReader["City"]);
                        user.PostalCode = Convert.ToString(dataReader["PostalCode"]);
                        user.Country = Convert.ToString(dataReader["Country"]);
                        users.Add(user);
                    }
                }
                string cmdTotRec = "SELECT COUNT(*) FROM Customers";
                SqlCommand chkTotRec = new SqlCommand(cmdTotRec, connection);
                totalRecords = Convert.ToInt32(chkTotRec.ExecuteScalar().ToString());
                connection.Close();
            }

            return users;
        }

    }
    public bool IsReusable
    {
        // To enable pooling, return true here.
        // This keeps the handler in memory.
        get { return false; }
    }

    public struct JQGridResults
    {
        public int page;
        public int total;
        public int records;
        public JQGridRow[] rows;

    }
    public struct JQGridRow
    {
        public string id;
        public string[] cell;
    }

    [Serializable]
    public class User
    {
        public string CustomerID { get; set; }
        public string CompanyName { get; set; }
        public string ContactName { get; set; }
        public string ContactTitle { get; set; }
        public string Address { get; set; }
        public string City { get; set; }
        public string PostalCode { get; set; }
        public string Country { get; set; }
    }
}

这篇关于的jqGrid不显示数据的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

09-02 04:57