public void Change_Password()
        {
            //  Int32 RowID = Convert.ToInt32(Session["RowID"]);
            try
            {
                string OldPassword = txt_OldPassword.Text;
                string Newpassword = txt_NewPassword.Text;

                int i = COMMON.ChangePassword(SavedSession.UserGuid, OldPassword, Newpassword);
                if (i > 0)
                {
                    ClearControls();
                }
            }
            catch (Exception ex)
            {
            }
        }