private string GetCurrentURL()
{
  string appPath = Request.ApplicationPath.ToString();
  string[] strPath = Request.RawUrl.ToString().Split('/');
  if (strPath.Count() == 2)
  {
      return Request.RawUrl.ToString().Replace(appPath, "")
  }
  else
  {
     return Request.RawUrl.ToString().Replace(appPath, "").Substring(1));
  }
}