How do you know which web method has returned when your OnComplete function gets called after multiple requests to a web service?

var prm;

function pageLoad() {

prm = Sys.WebForms.PageRequestManager.getInstance();

if (!prm.get_isInAsyncPostBack()) {







function OnComplete (results) {

 // e.g. if (webmethodcalled == 'WebMethod1') { }


 How do you tell which method has returned the result? Is there an event handler for each individual method that can be used? 


1/22/2008 2:22:42 PM 24353 articles. 1 followers. Follow

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I need to stop answering my own questions...

The method to call can be specified as an extra optional argument.

WebMethod1(arg1, WebMethod1OnComplete);

WebMethod2(arg1, WebMethod2OnComplete);

1/22/2008 2:51:35 PM

Then don't specify a default SucceededCallback and default FailedCallback.  In the following example, I specify different OnComplete callbacks, but the same OnError callback, but I could have just as easily had different error callbacks too: 

<script type="text/javascript">

    MyWebMethods.WebMethod1(WM1OnComplete, OnError);
    MyWebMethods.WebMethod2(WM2OnComplete, OnError);

    function WM1OnComplete(result) {
        // whatever...

    function WM2OnComplete(result) {
        // whatever...

    function OnError(error) {
        // whatever...

When you ask a question, remember to click "mark as answered" when you get a reply which answers your question.

My latest ASP.NET AJAX blog entries.
1/22/2008 2:51:50 PM

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