As jQuery’s popularity in the .NET community has risen over the past year, one recurring theme I’ve seen is the desire to refactor away the details of using it to call ASP.NET AJAX services. Whether through helper function or specialized jQuery plugin, I’ve seen numerous methods proposed and/or in use.

Personally, the syntax never bothered me. The contentType parameter is ugly, but I have a Visual Studio code snippet for the $.ajax call and rarely think about it.

That came to an end earlier this year, when I started using dataFilter. I needed to isolate my code from the “.d” issue, and wanted to take advantage of browser-native JSON parsing in Firefox 3.5 and IE8, which required a bulky dataFilter.

Repeating that entire callback function in every $.ajax call was not acceptable. So, I was happy to learn that jQuery provides an excellent solution for consolidating settings to be used in multiple instances of $.ajax.

In this post, I’ll show you how to use that consolidation feature, and exactly how I am now using that to more simply call ASP.NET AJAX services with jQuery.

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