protected void Button_GenerateCode_Click(object sender, EventArgs e)
        {
            string code;
            bool   result = DatabaseHandler.AddUserCode(Session, out code);

            if (result)
            {
                Label_CodeResult.Visible   = true;
                Label_CodeResult.Text      = "Your new code is: " + code;
                Label_CodeResult.ForeColor = Color.Green;
            }
            else
            {
                Label_CodeResult.Visible   = true;
                Label_CodeResult.Text      = "There has been an error generating a new code.";
                Label_CodeResult.ForeColor = Color.Red;
            }
        }