ASP.NET Tip: Code to RenderControl()

Below is the code to Render a ASP.NET Server side Control.

using System.Text;
using System.IO;
using System.Web.UI;


public string RenderMyControl()
{
StringBuilder sb = new StringBuilder();
StringWriter tw = new StringWriter(sb);
HtmlTextWriter hw = new HtmlTextWriter(tw);
//Control ctrl;

ctrl.RenderControl(hw);
return sb.ToString();
}