How to get ID of CheckBox list items when I check its item

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C#3.5

How to get ID of CheckBox list items when I check its item , I use c# in winddow application Please help

Posted 12-May-14 1:27am

Member 10285877

Updated 12-May-14 2:10am

CHill60

v2

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[no name] 12-May-14 7:38am

Help with what? Help to stop screaming at us?

Sayan Bera 12-May-14 8:09am

What is CHECKBOXLIST in C# Windows Application?
Are you using Few checkboxes or CheckedListBox?

Member 10285877 12-May-14 8:12am

i am use CheckedListBox?

Sayan Bera 12-May-14 8:29am

Are you asking what to use or saying what you are using?

Anyways -> Handle the ItemChecked event for the control if you are using CheckedListBox.

private void OnItemChecked(object sender, ItemCheckEventArgs e)<br>
{
//foreach (string obj in checkedListBox1.CheckedItems)
//{
// MessageBox.Show(Obj);
//}
MessageBox.Show("Name: "+checkedListBox1.SelectedItem.ToString()+" Index: "+checkedListBox1.SelectedIndex.ToString());
}

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KaushalJB · Answer 1 · 2014-05-12T01:41:00

See this example :

XML

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
 <head runat="server">
 <title></title>
 </head>
 <body>
 <form id="form1" runat="server">
 <div>
 <asp:CheckBoxList ID="CheckBoxList1" runat="server" AutoPostBack="True" Height="31px" OnSelectedIndexChanged="CheckBoxList1_SelectedIndexChanged" Width="140px">
 <asp:ListItem>Adrotator</asp:ListItem>
 <asp:ListItem>BulletedList</asp:ListItem>
 <asp:ListItem>Button</asp:ListItem>
 <asp:ListItem>Calendar</asp:ListItem>
 <asp:ListItem>DropDownList</asp:ListItem>
 </asp:CheckBoxList>
 <br />
 </div>
 <asp:Label ID="Label1" runat="server"></asp:Label>
 </form>
 </body>
 </html>
Codebehind
using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.UI;
 using System.Web.UI.WebControls;

public partial class Default3 : System.Web.UI.Page


{
  protected void Page_Load(object sender, EventArgs e)



{

}
  protected void CheckBoxList1_SelectedIndexChanged(object sender, EventArgs e)



{
  foreach (ListItem item in CheckBoxList1 .Items)



{
  if (item.Selected)



{

Label1.Text += item.Text;

}

}

}

}