bc.aspx

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text.RegularExpressions;
using System.Text;
using System.IO;
public partial class hello : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
}
 protected override void OnInit(EventArgs e)
    {
        base.OnInit(e);
 }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Label1.Text = TextArea1.Text.ToString();
    }
}