Move items from one CheckBoxList to other one

In this blog we will know how to move items from one CheckBoxList to other one.

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

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

<title>Untitled Page</title>

</head>

<body>

<div>

</div>

<asp:Panel ID="Panel1" runat="server" Height="186px" Width="178px"

BorderColor="#993333" BorderStyle="Outset" ForeColor="#CC3300">

<asp:CheckBoxList ID="CheckBoxList1" runat="server">

</asp:CheckBoxList>

</asp:Panel>

<asp:Button ID="Button1" runat="server" Text=">" onclick="Button1_Click"

Width="50px" />

<asp:Button ID="Button2" runat="server" Text="<" onclick="Button2_Click"

Width="50px" />

<asp:Panel ID="Panel2" runat="server" Height="186px" Width="178px"

BorderColor="Maroon" BorderStyle="Outset">

<asp:CheckBoxList ID="CheckBoxList2" runat="server">

</asp:CheckBoxList>

</asp:Panel>

</form>

</body>

</html>

using System;

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.Collections;

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

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

CheckBoxList1.Items.Add("");

CheckBoxList1.Items.Add("Raj");

CheckBoxList1.Items.Add("Ravi");

CheckBoxList1.Items.Add("Rahul");

CheckBoxList1.Items.Add("Raju");

CheckBoxList1.Items.Add("Rohit");

CheckBoxList1.Items.Add("Rajesh");

}

protected void Button1_Click(object sender, EventArgs e)

{

for (int i = CheckBoxList1.Items.Count - 1; i >= 0; i--)

{

if (CheckBoxList1.Items[i].Selected)

{

CheckBoxList2.Items.Add(CheckBoxList1.Items[i]);

CheckBoxList2.ClearSelection();

CheckBoxList1.Items.Remove(CheckBoxList1.Items[i]);

}

protected void Button2_Click(object sender, EventArgs e)

{

for (int i = CheckBoxList2.Items.Count - 1; i >= 0; i--)

{

if (CheckBoxList2.Items[i].Selected)

{

CheckBoxList1.Items.Add(CheckBoxList2.Items[i]);

CheckBoxList1.ClearSelection();

CheckBoxList2.Items.Remove(CheckBoxList2.Items[i]);

}