protected void Button1_Click(object sender, EventArgs e)
    {
        string fname;
        string lname;
        string email;
        string message;

        fname = txtFName.Text;
        lname = txtLName.Text;
        email = txtEmail.Text;
        message = txtMessage.Text;

        SendMail sm = new SendMail();
        sm.CustQuestion(email, fname, lname, message);

        lblAddSuccess.Visible = true;
        ClearInputs(Page.Controls);
    }