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在Textbox控件中输入用户名生成异常错误

本文介绍了在Textbox控件中输入用户名生成异常错误的处理方法，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

Hello Guys

我想在Clientbox控件中显示客户端名称。数据来自数据库。但我面临的问题是每当我编辑该客户名称时

例如假设默认名称是Rajesh但如果我编辑它像< rajesh>那么它会生成异常错误位置0处没有排。现在我的方案是我想在文本框中显示可编辑的客户端名称。那么我该如何执行这项任务呢。请帮忙。谢谢













好​​的，这是我的代码：







Hello Guys
I want to display Client name into Textbox control. The data is coming from database. But problem i am facing is that whenever i edit the that client name
For example Suppose default name is "Rajesh" but if i edit it like " < rajesh >", It generates an exception error "There is no Row At Position 0". Now my scenario is that i want to display the client name inside textbox which is editable. So how can i perform this task. Please help. Thanks






Ok here is my code :



<%@ Page Title="" Language="C#" MasterPageFile="~/include/master/home_page.master" AutoEventWireup="true" CodeFile="message.aspx.cs" Inherits="admin_smsmarketing_message" %>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolderHead" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolderBody" Runat="Server">
  <script type="text/javascript">
    function OpenPage() {
      var sValue = document.getElementById('<%=txtMessageText.ClientID %>').value;
      if (sValue == "") {
        alert("Please Type Your Message.");
      }
      else {
        var sUrl = "/admin/smsmarketing/sendmessage.aspx";
        window.open(sUrl, '_top', '', '');
      }
    }

    $(document).ready(function () {
      CharCount();
      $('#<%=txtMessageText.ClientID %>').keyup(function (e) {
        CharCount();
      });

      function CharCount() {
        var tbLength = $('#<%=txtMessageText.ClientID %>').val().length;
        $('#<%=lblCharCount.ClientID %>').text("Total Character: " + tbLength);
      }
    });
  </script>
  <div id="mid_undr_wrapp">
    <div style="height: 23px;">
    </div>
    <div id="socialpage_tab_wrapp">
      <div id="Progressbar_wrapp">
        <ul id="progress">
          <li class="blue"><a href="/admin/">Dashboard &rarr; </a></li>
          <li class="blue"><a href="/admin/smsmarketing/sms_schedule_list.aspx">SMS &rarr;</a></li>
          <li class="orange disable-link"><a href="#">Message Body &rarr;</a></li>
          <li> <a class="disable-link" href="#">Contact List &rarr;</a></li>
          <li><a class="disable-link" href="#">Schedule  &rarr;</a></li>
          <li><a class="disable-link" href="#">Confirmation </a></li>
        </ul>
      </div>
      <div id="pge_heading_txt">
        Message Body
      </div>
      <div style="height: 28px;">
      </div>
      <div style="width:80%; margin:0 auto;">
        <div>
          <div style="width: 30%; float: left;">
            <b class="field-caption">SMS Content</b>
            <br />
            <asp:Label ID="lblCharCount" CssClass="lblmsg" runat="server"  />
            <br />
            <div class="scheduleemailnote">
              One message can contain upto 160 characters otherwise multiple messages will be
              sent.
            </div>
          </div>
          <div style="width: 70%; float: left;">
            <div>
              <asp:TextBox ID="txtMessageText" runat="server" TextMode="MultiLine" Height="120px"

                Width="400px"></asp:TextBox>
            </div>
          <asp:RequiredFieldValidator ID="rfvMessage" ControlToValidate="txtMessageText" Display="None" runat="server" ErrorMessage="Please Type Your Message." />
          <asp:ValidationSummary ID="vs" ShowMessageBox="true" ShowSummary="false" runat="server" />
          </div>
        </div>
        <div style="height: 17px;">
        </div>
        <div style="text-align: left;">
          <asp:ImageButton ID="btnBack" runat="server" ImageUrl="~/images/back.png" CausesValidation="false" OnClick="btnBack_Click" />
          <asp:ImageButton ID="imgContinue" runat="server" ImageUrl="/images/continue.png" OnClick="imgContinue_Click" />
          <asp:ImageButton ID="btnSave" runat="server" ImageUrl="/images/save.png" OnClick="btnSave_Click" />
          <asp:ImageButton ID="btnCancel" runat="server" ImageUrl="/images/cancel.png" CausesValidation="false" OnClick="btnCancel_Click" />
        </div>
      </div>
      <div class="clear">
      </div>
      <div style="height: 143px;">
      </div>
    </div>
  </div>
</asp:Content>













CS：







使用系统;

使用系统.Collections.Generic;

使用System.Linq;

使用System.Web;

使用System.Web.UI;

使用System.Web.UI.WebControls;

使用socialmediasms;



public partial class admin_smsmarketing_message：System.Web.UI.Page

{

private int m_iClientId = 0;

private int m_iScheduleId = 0;

private int m_iCampaignTypeId = 0;

private string m_sScheduleName = string.Empty;

private string m_sMessageText = string.Empty;

private bool m_bUpdate = false;

protected void Page_Load（object sender，EventArgs e）

{

m_iClientId = Sessioncl.GetLoggedInClientId （）;

m_iCampaignTypeId = ClientCampaigncl.GetCampaignType（ClientCampaigncl.eCampaignType.SmsMarketing）;

if（Request.QueryString [i]！= null）

{

m_bUpdate = true;

m_iScheduleId = Numericcl.GetIntValue（Request.QueryString [i]）;

}

else

{

m_iScheduleId = Numericcl.GetIntValue（Sessioncl.GetSessionScheduleId（））;

}

if（！IsPostBack）

{

this.PopulateDetails（）;

this.ManageButton（）;

ViewState [Referrer] = Stringcl.GetValue（Request。 UrlReferrer）;

}

}



protected void imgContinue_Click（object sender，ImageClickEventArgs e）

{

EmailSchedulecl oEmailSchedulecl = new EmailSchedulecl（m_iClientId，m_iScheduleId）;

m_iScheduleId = oEmailSchedulecl.UpdateSchedule（m_iCampaignTypeId，m_iScheduleId，oEmailSchedulecl.ScheduleStatusTypeId，oEmailSchedulecl.ScheduleName ，Stringcl.GetValue（txtMessageText.Text））;

Response.Redirect（/ admin / smsmarketing / sms_user_list.aspx）;

}



protected void btnBack_Click（object sender，ImageClickEventArgs e）

{

Response.Redirect（/ a dmin / smsmarketing / sms_schedule_list.aspx）;

}



protected void btnSave_Click（object sender，ImageClickEventArgs e）

{

EmailSchedulecl oEmailSchedulecl = new EmailSchedulecl（m_iClientId，m_iScheduleId）;

m_iScheduleId = oEmailSchedulecl.UpdateSchedule（m_iCampaignTypeId，m_iScheduleId，oEmailSchedulecl.ScheduleStatusTypeId，oEmailSchedulecl.ScheduleName，Stringcl .GetValue（txtMessageText.Text））;

if（Stringcl.GetValue（ViewState [Referrer]）！= string.Empty）

{

Response.Redirect（Stringcl.GetValue（ViewState [Referrer]））;

}

else

{

Response.Redirect（/ admin / smsmarketing /）;

}

}



protected void btnCancel_Click（object sender，ImageClickEventArgs e）

{

if（Stringcl.GetValue（ViewState [Referrer]）！= string.Empty）

{

Response.Redirect（Stringcl.GetValue（ViewState [Referrer]））;

}

else

{

Response.Redirect（/ admin / smsmarketing /）;

}

}



private void PopulateDetails（）

{

Clientcl oClientcl = new Clientcl（m_iClientId）;

if（m_iScheduleId> 0)

{

try

{

EmailSchedulecl oEmailSchedulecl = new EmailSchedulecl(m_iClientId, m_iScheduleId);

string client_details = oClientcl.FirstName + \" \" + oClientcl.LastName;

txtMessageText.Text = \"From :\" + client_details;

txtMessageText.Text += \"\n\n\" + \"For unsubscribing contact\";

}

catch (Exception ex)

{

Errorcl.HandleException(ex, true);

}

}

}



private void ManageButton()

{

if (m_bUpdate)

{

imgContinue.Visible = false;

btnBack.Visible = false;

btnSave.Visible = true;

btnCancel.Visible = true;

}

else

{

imgContinue.Visible = true;

btnB ack.Visible = true;

btnSave.Visible = false;

btnCancel.Visible = false;

}

}

}







CS:



using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using socialmediasms;

public partial class admin_smsmarketing_message : System.Web.UI.Page
{
private int m_iClientId = 0;
private int m_iScheduleId = 0;
private int m_iCampaignTypeId = 0;
private string m_sScheduleName = string.Empty;
private string m_sMessageText = string.Empty;
private bool m_bUpdate = false;
protected void Page_Load(object sender, EventArgs e)
{
m_iClientId = Sessioncl.GetLoggedInClientId();
m_iCampaignTypeId = ClientCampaigncl.GetCampaignType(ClientCampaigncl.eCampaignType.SmsMarketing);
if (Request.QueryString["i"] != null)
{
m_bUpdate = true;
m_iScheduleId = Numericcl.GetIntValue(Request.QueryString["i"]);
}
else
{
m_iScheduleId = Numericcl.GetIntValue(Sessioncl.GetSessionScheduleId());
}
if (!IsPostBack)
{
this.PopulateDetails();
this.ManageButton();
ViewState["Referrer"] = Stringcl.GetValue(Request.UrlReferrer);
}
}

protected void imgContinue_Click(object sender, ImageClickEventArgs e)
{
EmailSchedulecl oEmailSchedulecl = new EmailSchedulecl(m_iClientId, m_iScheduleId);
m_iScheduleId = oEmailSchedulecl.UpdateSchedule(m_iCampaignTypeId, m_iScheduleId, oEmailSchedulecl.ScheduleStatusTypeId, oEmailSchedulecl.ScheduleName, Stringcl.GetValue(txtMessageText.Text));
Response.Redirect("/admin/smsmarketing/sms_user_list.aspx");
}

protected void btnBack_Click(object sender, ImageClickEventArgs e)
{
Response.Redirect("/admin/smsmarketing/sms_schedule_list.aspx");
}

protected void btnSave_Click(object sender, ImageClickEventArgs e)
{
EmailSchedulecl oEmailSchedulecl = new EmailSchedulecl(m_iClientId, m_iScheduleId);
m_iScheduleId = oEmailSchedulecl.UpdateSchedule(m_iCampaignTypeId, m_iScheduleId, oEmailSchedulecl.ScheduleStatusTypeId, oEmailSchedulecl.ScheduleName, Stringcl.GetValue(txtMessageText.Text));
if (Stringcl.GetValue(ViewState["Referrer"]) != string.Empty)
{
Response.Redirect(Stringcl.GetValue(ViewState["Referrer"]));
}
else
{
Response.Redirect("/admin/smsmarketing/");
}
}

protected void btnCancel_Click(object sender, ImageClickEventArgs e)
{
if (Stringcl.GetValue(ViewState["Referrer"]) != string.Empty)
{
Response.Redirect(Stringcl.GetValue(ViewState["Referrer"]));
}
else
{
Response.Redirect("/admin/smsmarketing/");
}
}

private void PopulateDetails()
{
Clientcl oClientcl = new Clientcl(m_iClientId);
if (m_iScheduleId > 0)
{
try
{
EmailSchedulecl oEmailSchedulecl = new EmailSchedulecl(m_iClientId, m_iScheduleId);
string client_details = oClientcl.FirstName + " " + oClientcl.LastName;
txtMessageText.Text = "From :" + client_details;
txtMessageText.Text += "\n\n" + "For unsubscribing contact";
}
catch (Exception ex)
{
Errorcl.HandleException(ex, true);
}
}
}

private void ManageButton()
{
if (m_bUpdate)
{
imgContinue.Visible = false;
btnBack.Visible = false;
btnSave.Visible = true;
btnCancel.Visible = true;
}
else
{
imgContinue.Visible = true;
btnBack.Visible = true;
btnSave.Visible = false;
btnCancel.Visible = false;
}
}
}

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10-11 23:42
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