Mega Code Archive
Define and use asp checkboxlist in code behind (C#)
<![CDATA[
<%@ Page language="c#" src="CheckBoxTest.aspx.cs" AutoEventWireup="false" Inherits="CheckBoxTest" %>
<HTML>
<body>
<form id="Form1" method="post" runat="server">
Choose your favourite programming languages:<br>
<br>
<asp:CheckBoxList id="chklst" runat="server" /><br>
<br>
<asp:Button id="cmdOK" Text="OK" runat="server" /><br>
<br>
<asp:Label id="lblResult" runat="server" />
</form>
</body>
</HTML>
<%--
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
public class CheckBoxTest : System.Web.UI.Page
{
protected System.Web.UI.WebControls.CheckBoxList chklst;
protected System.Web.UI.WebControls.Button cmdOK;
protected System.Web.UI.WebControls.Label lblResult;
private void Page_Load(object sender, System.EventArgs e)
{
if (this.IsPostBack == false)
{
chklst.Items.Add("C");
chklst.Items.Add("C++");
chklst.Items.Add("C#");
chklst.Items.Add("Visual Basic 6.0");
chklst.Items.Add("VB.NET");
chklst.Items.Add("Pascal");
}
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.cmdOK.Click += new System.EventHandler(this.cmdOK_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void cmdOK_Click(object sender, System.EventArgs e)
{
lblResult.Text = "You chose:<b>";
foreach (ListItem lstItem in chklst.Items)
{
if (lstItem.Selected == true)
{
// Add text to label.
lblResult.Text += "<br>" + lstItem.Text;
}
}
lblResult.Text += "</b>";
}
}
--%>
]]>