![WebApplication4]( "WebApplication4")
本文介绍了你好，每个人都回复我的问题？我使用Asp.net在LDAP中收到错误...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 使用系统; 使用 System.Collections; 使用 System.Configuration; 使用 System.Data; 使用 System.Linq; 使用 System.Web; 使用 System.Web.Security; 使用 System.Web.UI; 使用 System.Web.UI.HtmlControls; 使用 System.Web.UI.WebControls; 使用 System.Web.UI.WebControls.WebParts; 使用 System.Xml.Linq; 使用 System.Text; 使用 System.DirectoryServices; 命名空间 WebApplication4 { public partial class WebForm1：System.Web.UI.Page { protected void Page_Load（ object sender，EventArgs e） { } 受保护 void btnLogin_Click（ object sender，EventArgs e） { string dominName = 串 .Empty; 字符串 adPath = 字符串 .Empty; string userName = txtLoginID.Text.Trim（）。ToUpper（）; string strError = string .Empty; 尝试 { foreach （ string key in ConfigurationSettings.AppSettings.Keys） { dominName = key.Contains（ DirectoryDomain）？ ConfigurationSettings.AppSettings [key]：dominName; adPath = key.Contains（ DirectoryPath）？ ConfigurationSettings.AppSettings [key]：adPath; if （！String.IsNullOrEmpty（dominName）&&！String.IsNullOrEmpty（adPath）） { if （ true == AuthenticateUser（dominName，userName，txtPassword.Text，adPath， out strError）） { Response.Redirect（ default .aspx）; // 经过身份验证的用户重定向到default.aspx } dominName = string .Empty; adPath = string .Empty; if （ String .IsNullOrEmpty（strError））断裂; } } if （！string.IsNullOrEmpty（strError）） { lblError.Text = 用户名或密码无效！; } } catch { } 最后 { } } public bool AuthenticateUser（ string domain， string username， string password， string LdapPath， out string Errmsg） { Errmsg = ; string domainAndUsername = domain + @ \\ \\ +用户名; DirectoryEntry entry = new DirectoryEntry（LdapPath，domainAndUsername，password）; 尝试 { // 绑定到本机AdsObject以强制进行身份验证。 对象 obj = entry.NativeObject; DirectorySearcher search = new DirectorySearcher（条目）; search.Filter = （SAMAccountName = + username + ）; search.PropertiesToLoad.Add（ cn）; SearchResult result = search.FindOne（）; if （ null == result） { return false ; } // 更新目录中用户的新路径 LdapPath = result.Path; string _filterAttribute =（ String ）result.Properties [ cn] [ 0 ]; } catch （例外情况） { Errmsg = ex.Message; return false ; throw new 异常（ 验证用户时出错。 + ex.Message）; } 返回 true ; } protected void btnCancel_Click（ object sender，EventArgs e） { txtLoginID.Text = string .Empty; txtPassword.Text = string .Empty; } } } 源代码 <％@ Page 语言 = C＃ AutoEventWireup = true CodeBehind = Default.aspx。 cs 继承 = WebApplication4._Default ％> < ！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 = 服务器 > < title > LDAP身份验证< / title > < / head > < body &g t; < 表格 id = form1 runat = server > < div > < div > < 表 cellpadding = 1 cellspacing = 1 style = background-color：＃E0E0E0; border：1px solid＃727272 > < tr > < td > < asp：Label ID = lblName runat = server 文本 = 名称 > < ; / asp：标签 > < / td > < td > < asp：TextBox ID = txtLoginID 宽度 = 150 runat = server > < / asp：TextBox > < / td > < / tr > < tr > < td > < asp：标签 ID = lblpwd runat = server 文本 = 密码 > < / asp：Label > < / td > < td > < asp：TextBox ID = txtPass单词 宽度 = 150 TextMode = 密码 runat = 服务器 > ; < / asp：TextBox > ; < / td > < / tr > < tr > < td colspan = 2 > < asp：按钮 ID = btnLogin runat = server 文字 = 登录 OnClick = btnLogin_Click / > & nbsp; < asp：按钮 ID = btnCancel runat = server 文本 = 取消 OnClick = btnCanc el_Click / > < / td > < / tr > ; < tr > < td colspan = 2 > < asp：标签 ID = lblError runat = server ForeColor = 红色 文字 = > < / asp：标签 > < / td > < / tr > < / table > < / div > < / div > < /表格 > < / body > < / html > 错误是 错误 12 类型或命名空间名称'SearchResult'可以找到 （您是否缺少using指令或程序集引用？）c：\ usersrs \ srikanth \documents\visual studio 2012 \Projects \WebApplication4 \WebApplication4 \Default.aspx。 cs 76 17 WebApplication4 错误 1 类型或名称空间名称'DirectoryServices'在名称空间'System'中存在 （是你错过了一个程序集引用？）c：\users \ srikanth \documents\visual studio 2012 \Projects\WebApplication4 \WebApplication4 \Default.aspx。 cs 14 14 WebApplication4 错误 10 类型或名称空间名称'DirectorySearcher'可以不 （您是否缺少using指令或程序集引用？）c：\ usersrs \ srikanth \documents\visual studio 2012 \Projects \WebApplication4 \\ \\ WebApplication4 \Default.aspx。 cs 73 17 WebApplication4 错误 11 类型或名称空间名称'DirectorySearcher'可以 （您是否缺少using指令或汇编引用？）c：\ usersrs \ srikanth \\ \\documents\visual studio 2012 \Projects \WebApplication4 \WebApplication4 \Default.aspx。 cs 7 3 48 WebApplication4 错误 8 类型或命名空间名称'DirectoryEntry'可以找到 （您是否缺少using指令或程序集引用？）c：\users \srikanth \documents\visual studio 2012 \Projects \WebApplication4 \WebApplication4 \Default.aspx。 cs 68 13 WebApplication4 错误 9 类型或名称空间名称'DirectoryEntry'可以找到 （你错过了吗？使用指令或程序集引用？）c：\users \srikanth \documents\visual studio 2012 \Projects\WebApplication4 \ WebAppl ication4\Default.aspx。 cs 68 40 WebApplication4 错误 3 名称'txtPassword'在当前上下文中存在 ：\users\srikanth \documents\visual studio 2012 \Projects\WebApplication4 \WebApplication4 \Default.aspx。 cs 39 75 WebApplication4 错误 14 名称'txtPassword '不存在于当前上下文中c：\users \ srikanth \documents\visual studio 2012 \Projects\WebApplication4 \WebApplication4 \Default .aspx。 cs 97 13 WebApplication4 错误 2 名称'txtLoginID'在当前上下文中存在 c：\ usersrs \ srikanth \ document \ visual studio 2012 \Projects \WebApplication4 \WebApplication4 \Default.aspx。 cs 29 31 WebApplication4 错误 13 名称txtLoginID执行 not 存在于当前上下文中c：\users \ srikanth \\\ documents \ visual studio 2012 \Projects \WebApplication4 \ WebApplication4 \Default.aspx。 cs 96 13 WebApplication4 错误 4 名称'lblError'在当前上下文中存在不 c：\ usersrs \ srikanth \\\ documents \ visual studio 2012 \Projects\WebApplication4 \WebApplication4 \Default.aspx。 cs 51 21 WebApplication4 警告 5 'System.Configuration.ConfigurationSettings.AppSettings'已过时：' 此方法已过时，已被System.Configuration取代！System.Configuration.ConfigurationManager.AppSettings'c：\\ \\ users\srikanth \documents\visual studio 2012 \Projects\WebApplication4 \WebApplication4 \Default.aspx。 cs 33 40 WebApplication4 警告 6 'System.Configuration.ConfigurationSettings .AppSettings'已经过时了：' 这个方法已经过时了，它已经过时了en替换为System.Configuration！System.Configuration.ConfigurationManager.AppSettings'c：\ usersrs \ srikanth \documents\visual studio 2012 \Projects\WebApplication4 \ WebApplication4 \Default.aspx 。 cs 35 67 WebApplication4 警告 7 'System.Configuration.ConfigurationSettings.AppSettings'已过时：' 此方法已过时，已被System.Configuration取代！System.Configuration.ConfigurationManager.AppSettings'c：\ usersrs \ srikanth \documents \ visual studio 2012 \ Projects \WebApplication4 \WebApplication4 \Default.aspx。 cs 36 62 WebApplication4 解决方案 using System;using System.Collections;using System.Configuration;using System.Data;using System.Linq;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Xml.Linq;using System.Text;using System.DirectoryServices;namespace WebApplication4{ public partial class WebForm1 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void btnLogin_Click(object sender, EventArgs e) { string dominName = string.Empty; string adPath = string.Empty; string userName = txtLoginID.Text.Trim().ToUpper(); string strError = string.Empty; try { foreach (string key in ConfigurationSettings.AppSettings.Keys) { dominName = key.Contains("DirectoryDomain") ? ConfigurationSettings.AppSettings[key] : dominName; adPath = key.Contains("DirectoryPath") ? ConfigurationSettings.AppSettings[key] : adPath; if (!String.IsNullOrEmpty(dominName) && !String.IsNullOrEmpty(adPath)) { if (true == AuthenticateUser(dominName, userName, txtPassword.Text, adPath, out strError)) { Response.Redirect("default.aspx");// Authenticated user redirects to default.aspx } dominName = string.Empty; adPath = string.Empty; if (String.IsNullOrEmpty(strError)) break; } } if (!string.IsNullOrEmpty(strError)) { lblError.Text = "Invalid user name or Password!"; } } catch { } finally { } } public bool AuthenticateUser(string domain, string username, string password, string LdapPath, out string Errmsg) { Errmsg = ""; string domainAndUsername = domain + @"\" + username; DirectoryEntry entry = new DirectoryEntry(LdapPath, domainAndUsername, password); try { // Bind to the native AdsObject to force authentication. Object obj = entry.NativeObject; DirectorySearcher search = new DirectorySearcher(entry); search.Filter = "(SAMAccountName=" + username + ")"; search.PropertiesToLoad.Add("cn"); SearchResult result = search.FindOne(); if (null == result) { return false; } // Update the new path to the user in the directory LdapPath = result.Path; string _filterAttribute = (String)result.Properties["cn"][0]; } catch (Exception ex) { Errmsg = ex.Message; return false; throw new Exception("Error authenticating user." + ex.Message); } return true; } protected void btnCancel_Click(object sender, EventArgs e) { txtLoginID.Text = string.Empty; txtPassword.Text = string.Empty; } }}source code<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication4._Default" %><!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>LDAP Authentication</title></head><body> <form id="form1" runat="server"> <div> <div> <table cellpadding="1" cellspacing="1" style="background-color: #E0E0E0; border: 1px solid #727272"> <tr> <td> <asp:Label ID="lblName" runat="server" Text="Name"></asp:Label> </td> <td> <asp:TextBox ID="txtLoginID" Width="150" runat="server"></asp:TextBox> </td> </tr> <tr> <td> <asp:Label ID="lblpwd" runat="server" Text="Password"></asp:Label> </td> <td> <asp:TextBox ID="txtPassword" Width="150" TextMode="Password" runat="server"></asp:TextBox> </td> </tr> <tr> <td colspan="2"> <asp:Button ID="btnLogin" runat="server" Text="Login" OnClick="btnLogin_Click" /> <asp:Button ID="btnCancel" runat="server" Text="Cancel" OnClick="btnCancel_Click" /> </td> </tr> <tr> <td colspan="2"> <asp:Label ID="lblError" runat="server" ForeColor="Red" Text=""></asp:Label> </td> </tr> </table> </div> </div> </form></body></html>error isError 12 The type or namespace name 'SearchResult' could not be found (are you missing a using directive or an assembly reference?) c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 76 17 WebApplication4Error 1 The type or namespace name 'DirectoryServices' does not exist in the namespace 'System' (are you missing an assembly reference?) c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 14 14 WebApplication4Error 10 The type or namespace name 'DirectorySearcher' could not be found (are you missing a using directive or an assembly reference?) c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 73 17 WebApplication4Error 11 The type or namespace name 'DirectorySearcher' could not be found (are you missing a using directive or an assembly reference?) c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 73 48 WebApplication4Error 8 The type or namespace name 'DirectoryEntry' could not be found (are you missing a using directive or an assembly reference?) c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 68 13 WebApplication4Error 9 The type or namespace name 'DirectoryEntry' could not be found (are you missing a using directive or an assembly reference?) c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 68 40 WebApplication4Error 3 The name 'txtPassword' does not exist in the current context c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 39 75 WebApplication4Error 14 The name 'txtPassword' does not exist in the current context c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 97 13 WebApplication4Error 2 The name 'txtLoginID' does not exist in the current context c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 29 31 WebApplication4Error 13 The name 'txtLoginID' does not exist in the current context c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 96 13 WebApplication4Error 4 The name 'lblError' does not exist in the current context c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 51 21 WebApplication4Warning 5 'System.Configuration.ConfigurationSettings.AppSettings' is obsolete: '"This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.AppSettings"' c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 33 40 WebApplication4Warning 6 'System.Configuration.ConfigurationSettings.AppSettings' is obsolete: '"This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.AppSettings"' c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 35 67 WebApplication4Warning 7 'System.Configuration.ConfigurationSettings.AppSettings' is obsolete: '"This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.AppSettings"' c:\users\srikanth\documents\visual studio 2012\Projects\WebApplication4\WebApplication4\Default.aspx.cs 36 62 WebApplication4 解决方案 On the .NET tab in the Add Reference dialog box, click System.DirectoryServices.dll, click Select, and then click OK. 这篇关于你好，每个人都回复我的问题？我使用Asp.net在LDAP中收到错误...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！ 09-13 10:34