Beginning Ajax With ASP.NET (2006).pdf

Chapter 9
Figure 9-15
Try It Out
Using Client Functions
Begin by adding a new web form to the solution, naming it ClientFunctions.aspx. Now add the
Anthem register directive to the page just under the directive:
Next, add the following code within the tag:
function btnTest_PreCallBack()
{
alert(“This happens before contacting the server”);
}
function btnTest_PostCallBack()
{
alert(“This happens after getting a “ +
“response from the server”);
}
function btnTest_Click(control)
{
alert(“This happens right after you click the ‘“ +
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