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Using Passing Parameters -arguments- to OnSuccess Callback function in a Asp.Net Ajax

, 5 Aug 2010 CPOL
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How to pass custom args to the OnSuccess callback function of javascript ajax
Introduction


This code snippet solves the problem of passing parameters to the callback OnSuccess or onreadystatechange functions used in javascript Ajax with or without Microsoft .Net framework


On many forums people ask how to do that.


SOLUTION CODE

Useful also in Asp.Net Ajax development environments (using integrated Microsoft Ajax).

Easy..
<code>
    //Function to call when OnSuccess or onreadystatechange
    function yourCallBack(arg1,arg2) {
        return function(result) { // Your old function
            alert(arg1);  // param will be accessible here
            alert(arg2);  // param will be accessible here
            alert(result);// result = the response returned from Ajax
        }        
    }
</code>

Very simple and easy, try it .



Points of Interest


Usefull for some complex scenarios that requires passing variables to the ajax delegate.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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