Why does setting UnobtrusiveJavaScriptEnabled = true prevent ajax from working?

In ASP.NET MVC 3 there are 2 things: client side validation and unobtrusive javascript which are controlled by their corresponding values in web.config: <add key=”ClientValidationEnabled” value=”true” /> <add key=”UnobtrusiveJavaScriptEnabled” value=”true” /> Client side validation is based on the jquery.validate.js plugin alongside with the jquery.validate.unobtrusive.js script from Microsoft. When you include those two scripts inside a … Read more