ASP.NET MVC Action is Called Twice

Question

I have a specific controller action that is being called twice, which aside from being weird is causing problems with a singleton portion of my application (not really a problem, it just brought the double call to my attention).

Any idea why a controller action would be executed twice every time?

Answer 1

Not returning false from a javascript click handler on a link that makes the call via AJAX. In this case, it will also take the default action of the link (i.e., a non-AJAX post to the same URL).

Ex.

<%= Html.ActionLink( "action", "controller" ) %>


$(function() {
   $('a').click( function() {
      var href = $(this).attr('href');
      $.get( href, function() { ... } );
      // needs "return false;" here to prevent double request
   });
}):

Answer 2

I face the similar problem, I tried with the solution given - but it did not work in my case.