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Returning ASP.NET MVC JSON () shows me the Save File dialog

I am new to .NET MVC pattern and tried to call Action using a AJAX.BeginForm

helper class in my controller. I am returning seralized JSON using return JSON ();

In my opinion, I added a Scrip that should absorb the return of JSON.

   function ResultSet(request) {

   var json = content.get_response().get_object();
   var result = eval(json);

   if (result.Successfull) {
       alert("Success!");
   }
   else {
       alert("else");
       }
   }

But instead, if I go back, the browser shows me a save dialog to save the JSON file.

Why is this?

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3 answers


I had a similar problem, try for you to add links to the ajax libraries for Microsoft:

<script src="/Scripts/MicrosoftAjax.debug.js" type="text/javascript"></script>
<script src="/Scripts/MicrosoftMvcAjax.debug.js" type="text/javascript"></script>


also. your ResultSet () method takes a variable named "request" as a parameter, I think it should be called "content" like:

<script type="text/javascript">
    function ResultSet(content) {
        var json = content.get_response().get_object();

        var result = eval(json);
        if (result.Successfull) {
            alert("Success!");
        }
        else {
            alert("else");
        }
    }    
</script>
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try setting the response content type to application / json like this:



Response.ContentType = "application/json";
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You forgot to link to jQuery. Put this in the head of your html:

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
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