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Editorial Team
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Asked: 2026-05-21T19:59:53+00:00

i’m using asp.net mvc2 with jquery 1.5.2. what i pretend is to make client-side

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i’m using asp.net mvc2 with jquery 1.5.2. what i pretend is to make client-side call to a specific method in my controller that returns a json data.

Actually, my client-side call to server is working, but the problem is that jquery doesn’t recognize the returned json.

I cannot understand what i’m doing wrong!, can some one helpme with this?

Controller method:

<HttpPost()> _
Function DoStuff(ByVal id As Integer) As JsonResult
    Dim retval As JsonResult = Nothing

    retval = Json(New xpto With {.P1 = "P1Value"})

    Return retval
End Function

JQuery Ajax call:

    $.ajax({
        url: "/DoStuff/5",
        type: "POST",
        dataType: "json",
        async: false,
        success: function(data, textStatus, jqXHR) {
            alert(textStatus);
        },
        error: function(jqXHR, textStatus, errorThrown) {
            alert(textStatus);
        }
    });

Values when Handles Error method:

errorThrown: jQuery1520029581770420782693_1303980789842 was not called

textStatus: parsererror

jqXHR.responseText = "{"P1":"P1Value"}"

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1 Answer

  1. Editorial Team

    The problem was not in the on that code, that is working fine, the problem is generated by the Sctipt tag order on the markup (validate)

    WRONG:

    <script src="/Scripts/jquery-1.5.2.min.js" type="text/javascript"></script>
<script src="/Scripts/jquery-ui-1.8.11.custom.min.js" type="text/javascript"></script>
<script src="/Scripts/jquery.validate.min.js" type="text/javascript"></script>
<script src="/Scripts/jquery.maskedinput-1.3.min.js" type="text/javascript"></script>

    RIGHT:

    <script src="/Scripts/jquery-1.5.2.min.js" type="text/javascript"></script>
<script src="/Scripts/jquery-ui-1.8.11.custom.min.js" type="text/javascript"></script>
<script src="/Scripts/jquery.maskedinput-1.3.min.js" type="text/javascript"></script>
<script src="/Scripts/jquery.validate.min.js" type="text/javascript"></script>
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