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POExplain Entity Framework 4's connection strings
 

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    <p>I created an Entity Framework file. My database is called MyDB. My Entity Framework file is MyDB.edmx and I used an existing connection string (MyDBConnectionString) to generate the edmx model.</p> <p>It created two more connection strings:<br> MyDBEntities<br> MyDBContainer</p> <p>What are these for? They look exactly the same and both have the information from my old connection string.</p> <p>Do I still need my old connection string?</p> <p>Update with more information: </p> <p>Here are the connection strings:</p> <pre><code>&lt;add name="MyDBConnectionString" connectionString="Data Source=localhost;Initial Catalog=MyDB;Persist Security Info=False;User ID=MyDB;Password=MyDB" providerName="System.Data.SqlClient" /&gt; &lt;add name="MyDBEntities" connectionString="metadata=res://*/App_Code.MyDB.csdl|res://*/App_Code.MyDB.ssdl|res://*/App_Code.MyDB.msl;provider=System.Data.SqlClient;provider connection string=&amp;quot;Data Source=localhost;Initial Catalog=MyDB;Persist Security Info=True;User ID=MyDB;Password=MyDB;MultipleActiveResultSets=True&amp;quot;" providerName="System.Data.EntityClient" /&gt; &lt;add name="MyDBContainer" connectionString="metadata=res://*/App_Code.MyDB.csdl|res://*/App_Code.MyDB.ssdl|res://*/App_Code.MyDB.msl;provider=System.Data.SqlClient;provider connection string=&amp;quot;Data Source=localhost;Initial Catalog=MyDB;Persist Security Info=True;User ID=MyDB;Password=MyDB;MultipleActiveResultSets=True&amp;quot;" providerName="System.Data.EntityClient" /&gt; </code></pre> <p>I created the first one called MyDBConnectionString. Then, when I generated the edmx model from the database visual studio created the MyDBEntities and MyDBContainer connection strings. What are the other two (Entities and Container) for? Do I not need the original connection string anymore?</p>
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    1. COCan you include them all? The EF has its own connection string, but (1) there's only one, and (2) it looks different than the DB CS.
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      1. USCraig Stuntz
 

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