Items moving from one listbox to another

In this blog we will know how to move items from one listbox 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">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
     <asp:ListBox ID="ListBox1" runat="server" Width="134px" Height="116px"></asp:ListBox>
    <asp:Button ID="Button1" runat="server" Text="&lt;|" onclick="Button1_Click" />
   <asp:Button ID="Button2" runat="server" Text="|&gt;" onclick="Button2_Click" />
   <asp:Button ID="Button3" runat="server" Text="&lt;&lt;|" onclick="Button3_Click" />
   <asp:Button ID="Button4" runat="server" Text="|&gt;&gt;" onclick="Button4_Click" />
    <asp:ListBox ID="ListBox2" runat="server" Width="134px" Height="116px"></asp:ListBox>
    </div>
    </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;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            ListBox1.Items.Add("Raj");
            ListBox1.Items.Add("Ravi");
            ListBox1.Items.Add("Rahul");
            ListBox1.Items.Add("Raju");
            ListBox1.Items.Add("Rohit");
            ListBox1.Items.Add("Rajesh");
        }

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        ListBox1.Items.Add(ListBox2.SelectedItem.Text);
        int i = 0;
        i = ListBox2.SelectedIndex;
        ListBox2.Items.RemoveAt(i);

    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        ListBox2.Items.Add(ListBox1.SelectedItem.Text);
        int i = 0;
        i = ListBox1.SelectedIndex;
        ListBox1.Items.RemoveAt(i);

    }
    protected void Button3_Click(object sender, EventArgs e)
    {
        int j = 0;
        for (j = 0; j <= ListBox2.Items.Count - 1; j++)
        {
            ListBox1.Items.Add(ListBox2.Items[j]);
        }
        ListBox2.Items.Clear();

    }
    protected void Button4_Click(object sender, EventArgs e)
    {
        int j = 0;
        for (j = 0; j <= ListBox1.Items.Count - 1; j++)
        {
            ListBox2.Items.Add(ListBox1.Items[j]);
        }
        ListBox1.Items.Clear();

    }
}


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