Returns an Event Callback reference string that can be used in Client script to initiate a callback request.

public string GetCallbackEventReference( string QueryStringExpression );


An expression that is evaluated in script code and embedded as the second parameter.
The value of this second parameter is interpreted as a QueryString to the URL that
is fired in response to the request to the server.

This expression can be a static string or any value or expression that is in scope
at the time of calling the event method. The expression must evaluate to a string

string GetCallbackEventReference("'CustomerId=' + this.forms[0].txtCustomerId.value + "'");

A callback event reference result looks like this:


See also:

Class wwMethodCallback

  Last Updated: 2/21/2008 | © West Wind Technologies, 2008