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I'm trying to connect to my database with SQL client but I can't connect.

Here is my connection string:

<add name="RegisterDBEntities" 
     connectionString="metadata=res://*/Register.csdl|res://*/Register.ssdl|res://*/Register.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=(LocalDB)\MSSQLLocalDB;attachdbfilename=|DataDirectory|\RegisterDB.mdf;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" 
     providerName="System.Data.EntityClient" />
marc_s
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迷你Mini
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  • Which one are you using, MSSQL or MySql – Jawad Jul 12 '20 at 05:06
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    check that question https://stackoverflow.com/questions/20183777/keyword-not-supported-metadata – IBRAHIM EZZAT Jul 12 '20 at 05:29
  • This is not a "generic" connection string - it's a very specific **Entity Framework** connection string, for a version of EF that works with a `.edmx` model file - a rather old version of EF therefore. Is that your problem maybe? You need a "generic" connection string but copied an EF-model-based Entity connection string by accident?? – marc_s Jul 12 '20 at 06:31

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