将ASP.NET Control转换为String

using System;
using System.IO;
using System.Text;
using System.Web;
using System.Web.UI;
public class Render
{
public static string RenderControl(System.Web.UI.Control control)
{
StringBuilder result = new StringBuilder(1024);
control.RenderControl(new HtmlTextWriter(new StringWriter(result)));
return result.ToString();
}
public static string RenderControl(System.Web.UI.TemplateControl control)
{
StringBuilder result = new StringBuilder(1024);
control.RenderControl(new HtmlTextWriter(new StringWriter(result)));
return result.ToString();
}
public static string RenderPage(string pageLocation)
{
System.Web.HttpContext context = System.Web.HttpContext.Current;
StringBuilder result = new StringBuilder(1024);
context.Server.Execute(pageLocation,
new HtmlTextWriter(new StringWriter(result)));
return result.ToString();
}
}