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Editorial Team
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Asked: 2026-06-02T23:24:51+00:00

i am trying to do a ajax get request in asp.net mvc 3. It

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i am trying to do a ajax get request in asp.net mvc 3. It does not work though ie the GetSquareRoot action is not hit?

index.cshtml

   @{
    ViewBag.Title = "Home Page";
}
<h2>@ViewBag.Message</h2>
<p>
    To learn more about ASP.NET MVC visit <a href="http://asp.net/mvc" title="ASP.NET MVC Website">
        http://asp.net/mvc</a>.
</p>
<script type="text/javascript">
        function calculateSquareRoot(numberToCalculate) {
            $.ajax({
                type: 'Get',
                url: '/Home/GetSquareRoot',
                data: { number: numberToCalculate },
                success: function (data) { alert(data.result); }
            });
        }

</script>
<button onclick="calculateSquareRoot(9);">Calculate Square</button>

on the homecontroller:

public JsonResult GetSquareRoot(long number)
{
    var square = Math.Sqrt(number);
    return Json(new { result = square }, JsonRequestBehavior.AllowGet);
}
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1 Answer

  1. Editorial Team

    If I mount the following page on localhost:

    <!DOCTYPE html>
<html>
    <head>
        <script type="text/javascript" 
           src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.js">
        </script>
        <script type="text/javascript">
        //<![CDATA[
            function calculateSquareRoot(numberToCalculate) {
                $.ajax({
                    type: 'GET',
                    url: '/Home/GetSquareRoot',
                    data: { number: numberToCalculate },
                    success: function (data) { alert(data.result); }
                });
            }
        //]]>
        </script>
    </head>
    <body>
        <button onclick="calculateSquareRoot(9);">Calculate Square</button>
    </body>
</html>

    When I hit the button, I see a request issued to:

    http://localhost/Home/GetSquareRoot?number=9

    Are you sure you’ve told us the whole story?

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