MVC4 web api RESTFUL service

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C#

Javascript

hi,

How to call a MVC4 web api restful services using js?. I hosted the service in iis 7. I tried with the following code.

<script>
       $(function () {
           debugger;
           $.ajax({
               url: 'http://172.16.0.110:80/vam/api/Asset/GetAllAssets',
               data: '{"logInInfo":{"UserName":"eisg","Password":"M00s3h3ad"},"lastAssetIDInternal":"","lastSyncDate":"","startSyncDate":"" }',
               type: 'POST',
               dataType: 'json',
               contentType: 'application/json',

               fail: function (data) {
                   alert("aa");
                   alert("a");
               }
           });
       });
   </script>

........................