public void ValidMethodOK()
        {
            clsServices AService = new clsServices();
            String      Error    = "";

            Error = AService.Valid(ServiceName, Price, Duration, Discount, Staff);
            Assert.AreEqual(Error, "");
        }
        public void DiscountMin()
        {
            clsServices AService = new clsServices();

            //string variable to store the error message
            String Error    = "";
            string Discount = "a";

            //invoking the method
            Error = AService.Valid(ServiceName, Staff, Price, Duration, Discount);

            //test to see that the result is correct
            Assert.AreEqual(Error, "");
        }
        public void DiscountMaxLessOne()
        {
            clsServices AService = new clsServices();

            //string variable to store the error message
            String Error = "";

            //create some test data to pass the method
            string Discount = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; //this should be ok

            //invoking the method
            Error = AService.Valid(ServiceName, Staff, Price, Duration, Discount);
            //test to see that the result is correct
            Assert.AreEqual(Error, "");
        }
        public void DiscountExtremeMax()
        {
            clsServices AService = new clsServices();

            //string variable to store the error message
            String Error = "";

            //create some test data to pass the method
            string Discount = "";

            Discount = Discount.PadRight(500, 'a'); //this should fail

            //invoking the method
            Error = AService.Valid(ServiceName, Staff, Price, Duration, Discount);

            //test to see that the result is correct
            Assert.AreEqual(Error, "");
        }
    protected void btnOK_Click(object sender, EventArgs e)
    {
        clsServices AService    = new clsServices();
        string      ServiceName = txtServiceName.Text;

        string Staff = txtStaff.Text;

        string Price = txtPrice.Text;

        string Duration = txtDuration.Text;


        string Error = "";

        //validate the data
        Error = AService.Valid(ServiceName, Staff, Price, Duration);
        if (Error == "")
        {
            AService.ServiceName = ServiceName;


            AService.Staff = Staff;

            AService.Price = Convert.ToInt32(Price);

            AService.Duration = Convert.ToInt32(Duration);

            Session["AService"] = AService;

            Response.Write("1ServicesView.aspx");
        }

        else
        {
            //display the error message
            lblError.Text = Error;
        }
    }