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how to make MVC3 support AJAX refresh?

zhaoyu162 asked:

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hi,

I'm a newbie on MVC3.
In my first project, i encounted a wired problem that when i'm using Ajax.BeginForm in view, the controller cannot get the Ajax request, that.., the Request.IsAjaxRequest() returns false. I almostly freak out with it.
Could someone help me?
1. My View page:

@{
    ViewBag.Title = "Home Page";
    Layout = "~/views/shared/_Layout.cshtml";
}

<div id="tardiv"></div>    

@using (Ajax.BeginForm("PartialView1", new AjaxOptions(){ UpdateTargetId = "tardiv"}))
{
    <input type="submit" value="Refresh" />
}
<br />

2. The _layout.cshtml:
<!DOCTYPE html>
<html>
<head>
    <title>@ViewBag.Title</title>
    <link href="@Url.Content("~/Content/Site.css")" rel="stylesheet" type="text/css" />
    <script src="@Url.Content("~/Scripts/microsoftajax.js")" type="text/javascript"></script>
    <script src="@Url.Content("~/Scripts/MicrosoftMvcAjax.js")" type="text/javascript"></script>
</head>

<body>
    @RenderBody()
</body>
</html>

3. The controller:
public string PartialView1()
       {
           var bajax = Request.IsAjaxRequest(); // always false!!!
           return "wxyz";
       }
Tags: Ajax, MVC3

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