Databases
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    <p>Interesting, it works fine for me if I do:</p> <pre><code>@using System.Data.Entity </code></pre> <p>Are you sure you've referenced <code>EntityFramework</code> in your project References?</p> <p>Could there be something else in your razor view that's causing the problem?</p> <p>I don't have anything special in my Web.config, but I'll paste the sections just in case:</p> <pre><code>&lt;pages&gt; &lt;namespaces&gt; &lt;add namespace="System.Web.Helpers" /&gt; &lt;add namespace="System.Web.Mvc" /&gt; &lt;add namespace="System.Web.Mvc.Ajax" /&gt; &lt;add namespace="System.Web.Mvc.Html" /&gt; &lt;add namespace="System.Web.Routing" /&gt; &lt;add namespace="System.Web.WebPages" /&gt; &lt;/namespaces&gt; &lt;/pages&gt; &lt;compilation debug="true" targetFramework="4.0"&gt; &lt;assemblies&gt; &lt;add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /&gt; &lt;add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /&gt; &lt;add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /&gt; &lt;add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /&gt; &lt;add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /&gt; &lt;/assemblies&gt; &lt;/compilation&gt; </code></pre> <p>If you're still stuck, please post at least the first few lines of your view.</p>
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    1. POReferencing EntityFramework 4.1 namespace in MVC3 Razor View
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    1. COtake a look... i edited my question. were you able to use System.Data.Entity.Validation members in your View once you added the @using System.Data.Entity?
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    2. COI think you have the wrong namespace. It's actually `System.Data.Entity.Validation` that has `DbEntityValidationException` not `System.Data.Entity`. So, `@using System.Data.Entity.Validation` should do the trick. Once I put then in my test page, Intellisense lets me do `throw new DbEntityValidationException()`.
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    3. COBTW, if you are using Visual Studio, you can easily figure out what classes are in what namespace by right-clicking on the assembly in the References folder and choosing "View in Object Browser".
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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