public static string ShowBox(string txtMessage)
        {
            RefundPwd newMessageBox;

            newMessageBox             = new RefundPwd();
            newMessageBox.label1.Text = txtMessage;
            newMessageBox.ShowDialog();
            return(newMessageBox.Passwd);
        }
        public static string ShowBox(string txtMessage, string txtTitle)
        {
            RefundPwd newMessageBox;

            newMessageBox = new RefundPwd();
            newMessageBox.lblTitle.Text = txtTitle;
            newMessageBox.label1.Text   = txtMessage;
            newMessageBox.tbPassword.Focus();
            //tbPassword.Update();
            newMessageBox.ShowDialog();
            return(newMessageBox.Passwd);
        }