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POHow to Bind TimeZoneInfo in MVC
 

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    <p>I have the following class that I'm using for a model:</p> <pre><code>public class ApplicationUser { public int? UserId { get; set; } public TimeZoneInfo TimeZoneDefault { get; set; } public string Username { get; set; } [...] } </code></pre> <p>In the view I have the following code that successfully creates the drop-down list:</p> <pre><code>@model Acme.ApplicationUser @{ var timeZoneList = TimeZoneInfo .GetSystemTimeZones() .Select(t =&gt; new SelectListItem { Text = t.DisplayName, Value = t.Id, Selected = Model != null &amp;&amp; t.Id == Model.TimeZoneDefault.Id }); } </code></pre> <p>In the form call it with:</p> <pre><code>&lt;table&gt; [....] &lt;tr&gt; &lt;td&gt; @Html.LabelFor(model =&gt; model.TimeZoneDefault, "Default Time Zone:")&lt;/strong&gt; &lt;/td&gt; &lt;td&gt; @Html.DropDownListFor(model =&gt; model.TimeZoneDefault, timeZoneList) &lt;input type="submit" value="Save" /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </code></pre> <p>Everything displays correctly, the issue is back on the controller, I have this:</p> <pre><code>[HttpPost] public ActionResult Profile(ApplicationUser model) { if (ModelState.IsValid) { model.Save(); } return View(); } </code></pre> <p>The ModelState is invalid when posted back, the error is:</p> <blockquote> <p>System.InvalidOperationException: The parameter conversion from type 'System.String' to type 'System.TimeZoneInfo' failed because no type converter can convert between these types.</p> </blockquote> <p>What do I need to do to convert the selected value back to a TimeZoneInfo?</p>
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    1. COYou might need to write your own custom model binder. I found this from a quick google: http://www.shopmvc.com/news/8/custom-modelbinder-for-a-timezoneinfo-in-aspnet-mvc
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      1. USDan Schnau
 

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