protected void Save_Click(object sender, EventArgs e)
    {
        XmlUtil x_util = new XmlUtil();
        Hashtable State = (Hashtable)HttpRuntime.Cache[Session.SessionID];
        Util util = new Util();
        if (util.CheckSessionTimeout(State, Response, "../Default.aspx")) return;

        if (MobileCommerceUsername.Text.Trim().Length == 0)
        {
            Message.Text = "Set the Username.";
            return;
        }
        if (MobileCommercePassword.Text.Trim().Length == 0)
        {
            Message.Text = "Set the Password.";
            return;
        }
        x_util.SetMobileCommerce(State, MobileCommerceUsername.Text.Trim(), MobileCommercePassword.Text.Trim());
        Message.Text = "Mobile Commerce has been set.";
    }