Custom control with multiple controls in asp.net using c#

See more:

ASP.NET

C#3.5

I am using VS2010 I am new to develop Custom controls,actually i developed sample custom control with one textbox and i got the proper solution i want to go a step forward means to develop custom control with multiple controls (textboxes, drop down list, and checkbox) can any one help me with proper example in detail.

below i am adding my sample custom control code

1) start -->vs 2010 --> File --> New website --> Provide Name --> Ok
2) solution explorer -->rc on solution --> add --> web server control --> provide name then click on ok
3) it opens the window in that window paste below code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace ServerControl1
{

[DefaultProperty("ch")]
[ToolboxData("<{0}:ValidTextBox1 runat=server></{0}:ValidTextBox1> <{1}:ValidTextBox2 runat=server></{1}:ValidTextBox2>")]

public class ValidTextBox1 : TextBox
{
[Bindable(true)]
[Category("Appearance")]
[DefaultValue("")]
[Localizable(true)]
public string ch
{
get
{
String s = (String)ViewState["ch"];
return ((s == null) ? "[" + this.ID + "]" : s);
}
set
{
ViewState["ch"] = value;
}
}
private RequiredFieldValidator rfv;
public string NotValid;
public string C_Script = "true";


protected override void RenderContents(HtmlTextWriter op)
{
op.Write(ch);
base.RenderContents(op);
rfv.RenderControl(op);
}
}
}

Build the solution

add new item to web site

add reference of web server control to the website as given below.

rightclick on website--> add reference --> projects --> select the custom control name -->click on ok.

new we can use the custom control in web site just paste the below code in web form

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using ServerControl1;

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

protected void Page_Load(object sender, EventArgs e)
{
for (int i = 0; i < 10; i++)
{
ValidTextBox1 txt = new ValidTextBox1();
pnl1.Controls.Add(txt);
}

}

}


build and execute u wil get one text box as outpot

But i wand to develop custom control with multiple controls can any one help its urgent its my task for the client requirement.