[C#]
＜%@ Page Language=\"C#\" %＞
＜%@ Import Namespace=\"System.Net\" %＞
＜html＞
＜script language=\"C#\" runat=\"server\"＞
void EnterBtn_Click(Object Src, EventArgs E)
{
MyMath.Math math = new MyMath.Math();
// Call to Add XML Web service method asynchronously
// and then wait for it to complete.
IAsyncResult result =
math.BeginAdd(Convert.ToInt32(Num1.Text),
Convert.ToInt32(Num2.Text),
null,
null);
// Wait for asynchronous call to complete.
result.AsyncWaitHandle.WaitOne();
// Complete the asynchronous call to Add XML Web service method.
float total = math.EndAdd(result);
// Display results in a Label control.
Total.Text = \"Total: \" + total.ToString();
}
＜/script＞
＜body＞
＜form action=\"MathClient.aspx\" runat=server＞
＜font face=\"Verdana\"＞
Enter the two numbers you want to add and then press
the Total button.
＜p＞
Number 1:
＜asp:textbox id=\"Num1\"
runat=server/＞
+
Number 2:
＜asp:textbox id=\"Num2\"
runat=server/＞
=
＜asp:button id=\"Total_Button\"
text=\"Total\"
OnClick=\"EnterBtn_Click\"
runat=server/＞
＜p＞
＜asp:label id=\"Total\" runat=server/＞
＜/font＞
＜/form＞
＜/body＞
＜/html＞
[Visual Basic]
＜%@ Page Language=\"VB\" %＞
＜%@ Import Namespace=\"System.Net\" %＞
＜html＞
＜script language=\"VB\" runat=\"server\"＞
Sub EnterBtn_Click(Src As Object, E As EventArgs)
Dim math As New MyMath.Math()
\\\' Call to Add XML Web service method asynchronously
\\\' and then wait for it to complete.
Dim result As IAsyncResult = _
math.BeginAdd(Convert.ToInt32(Num1.Text), _
Convert.ToInt32(Num2.Text), _
Nothing, _
Nothing)

\\\' Wait for asynchronous call to complete.
result.AsyncWaitHandle.WaitOne()
\\\' Complete the asynchronous call to Add XML Web service method.
Dim addtotal As Single = math.EndAdd(result)
\\\' Display results in a Label control.
Total.Text = \"Total: \" & addtotal.ToString()
End Sub
＜/script＞
＜body＞
＜form action=\"MathClient.aspx\" runat=server＞
＜font face=\"Verdana\"＞
Enter the two numbers you want to add and then press
the Total button.
＜p＞
Number 1:
＜asp:textbox id=\"Num1\"
runat=server/＞
+
Number 2:
＜asp:textbox id=\"Num2\"
runat=server/＞
=
＜asp:button id=\"Total_Button\"
text=\"Total\"
OnClick=\"EnterBtn_Click\"
runat=server/＞
＜p＞
＜asp:label id=\"Total\" runat=server/＞
＜/font＞
＜/form＞
＜/body＞
＜/html＞