[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＞