File Stream C#

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Reflection;
using System.Xml;
using System.Web;
/// 
/// Common utility functions.
/// 

public static class Util
{
    /// 
    /// Redirects to a path relative to the application base path.
    /// 

    public static void RelativeRedirect(HttpContext context, string relativePath)
    {
        string redir = context.Request.ApplicationPath + relativePath;
        if (context.Request.ApplicationPath == "/")
        {
            redir = relativePath;
        }
        context.Response.Redirect(redir);
    }
}