Error after passing variable from jquery to code in c#

Question

I try to pass variable from jquery to code c# but something is wrong. I have in js this code:

<script type="text/javascript">
    var mySerial = '12345';
    var fooUrl = '@Url.Action("Foo", "Home")';
    window.location.href = fooUrl + '?mySerial' + encodeURIComponent(mySerial);
</script>

in controller :

[HttpPost]
public ActionResult Foo(string mySerial)
{
    return View();
}

After execution I keep this url: http://localhost:2214/@Url.Action("Foo",%20"Home")?mySerial12345 and I don't understand where's the problem, can someone help me?

Darin Dimitrov · Accepted Answer · 2012-06-18 14:55:48Z

You forgot the equal sign:

window.location.href = fooUrl + '?mySerial=' + encodeURIComponent(mySerial);

Notice mySerial= instead of mySerial.

By the way it seems that you are using the WebForms view engine and not Razor, at least that's the conclusion I draw if you see the @Url.Action literal in your generated output. If this is the case please use the proper syntax according to the view engine you are using:

<script type="text/javascript">
    var mySerial = '12345';
    var fooUrl = '<%= Url.Action("Foo", "Home") %>';
    window.location.href = fooUrl + '?mySerial=' + encodeURIComponent(mySerial);
</script>

Final remark: if this is in a separate javascript file you cannot use server side helpers such as Url.Action. It doesn't seem to be in a separate file because I can see the <script> inline tag but that's what you have shown here, maybe in your actual code this is in a separate file.

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