protected void MultiplyButton_Click(object sender, EventArgs e)
        {
            CalculatorService.CalculatorWebServiceSoapClient client = new CalculatorService.CalculatorWebServiceSoapClient();

            int firstNumber  = Convert.ToInt32(FirstNumberTextBox.Text);
            int secondNumber = Convert.ToInt32(SecondNumberTextBox.Text);

            ResultLabel.Text = client.Multiply(Convert.ToInt32(FirstNumberTextBox.Text), Convert.ToInt32(SecondNumberTextBox.Text)).ToString();
        }
        protected void DivideButton_Click(object sender, EventArgs e)
        {
            CalculatorService.CalculatorWebServiceSoapClient client = new CalculatorService.CalculatorWebServiceSoapClient();

            int firstNumber  = Convert.ToInt32(FirstNumberTextBox.Text);
            int secondNumber = Convert.ToInt32(SecondNumberTextBox.Text);

            if (secondNumber == 0)
            {
                ResultLabel.Text = "Divide by zero not permitted!!";
            }
            else
            {
                ResultLabel.Text = client.Divide(Convert.ToInt32(FirstNumberTextBox.Text), Convert.ToInt32(SecondNumberTextBox.Text)).ToString();
            }
        }