How To Generate Dynamic Controls in Asp.net.

Introduction:
Here I will explain how to generate a controls dynamically on button click.
Description:
By Using Place-Holder control I am going to generate Check box controls on the button click.
And How To Dynamically delete the controls.

  PlaceHolder.aspx

• Steps1: Take PlaceHolder controls.
• Step2:Take1 Text box to generate no of dynamic controls.
• Step3:Take 1 button 

PlaceHolder.aspx.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient;

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

{

    protected void Page_Load(object sender, EventArgs e)

    {

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        for (int i = 0; i < int.Parse(TextBox1.Text.ToString()); i++)

        {

         CheckBox chk = new CheckBox();

          PlaceHolder1.Controls.Add(chk);

          Button rdb = new Button();

            rdb.Text = "Delete";

            PlaceHolder1.Controls.Add(rdb);

            PlaceHolder1.Controls.Add(new LiteralControl("<br />"));    

        }

        }

        }

Give the no you want to generate controls dynamically.

After Generate the controls if u want to delete click on the delete button to delete dynamically generated buttons.