public static DataTable ListRequest(string userRole, string userLogin)
        {
            IRequestData requestdata = new RequestData();

            DataTable tb = requestdata.ListRequest(userRole, "Contractor", userLogin);
            return tb;
        }
 public static void Insert(Request request)
 {
     IRequestData requestData = new RequestData();
     requestData.Insert(request.Entity(request));
 }