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POLINQ to SQL SubmitChanges() not work to insert new record
 

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  1. POLINQ to SQL SubmitChanges() not work to insert new record
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    <p>First, I'm pretty new to LINQ to SQL, so this is probably a dumb question, but I'm trying to insert a new record into the database and I keep getting the following error: </p> <pre><code>The client was unable to establish a connection because of an error during connection initialization process before login. Possible causes include the following: the client tried to connect to an unsupported version of SQL Server; the server was too busy to accept new connections; or there was a resource limitation (insufficient memory or maximum allowed connections) on the server. (provider: Shared Memory Provider, error: 0 - The handle is invalid.) </code></pre> <p>I can step through my code and see that all the data is present as I would expect it to, but when it hits the</p> <pre><code>db.SubmitChanges() </code></pre> <p>in the method below I get the error. What am I doing wrong? This is SOO frustrating and I've lost a day trying to figure out LINQ to SQL... I'm half tempted to just bag it and go back to using ADO.NET and stored procs.</p> <pre><code>public static void Save(Customer customerToSave) { IpmDatabaseDataContext db = new IpmDatabaseDataContext(); db.Customers.InsertOnSubmit(customerToSave); // commit the changes to the db db.SubmitChanges(); } </code></pre> <p>In my app.config it has this connection string:</p> <pre><code>&lt;connectionStrings&gt; &lt;add name="IPM.Business.Properties.Settings.IPMConnectionString" connectionString="Data Source=socrates\sqlexpress;Initial Catalog=IPM;Integrated Security=True" providerName="System.Data.SqlClient" /&gt; &lt;/connectionStrings&gt; </code></pre> <p>I am still on my dev machine, so this is the correct connection string.</p>
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    1. COThis probably has something to do with the Database setup or connection string (connection pooling, and such). Could you post some more info about that?
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      1. USRody van Sambeek
    2. COYour LINQ is probably OK. Check database connection (or rebuild the context)
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      1. USDmitry Reznik
 

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