protected void btnMultiply_Click(object sender, EventArgs e)
{
CalculatorService.CalculatorWebServiceSoapClient client =
new CalculatorService.CalculatorWebServiceSoapClient();
int result = client.Multiply(Convert.ToInt32(txtFirstNumber.Text),
Convert.ToInt32(txtSecondNumber.Text));
lblResult.Text = result.ToString();
gvCalculations.DataSource = client.GetCalculations();
gvCalculations.DataBind();
gvCalculations.HeaderRow.Cells[0].Text = "Recent Calculations";
}