خطا در زمان ایجادBestfasedbEntities2 db = new BestfasedbEntities2 ()

[M.D.A_M.D.A]

خطای زیر:



The specified named connection is either not found in the configuration, not intended to be used with the EntityClient provider, or not valid


خطا در این خط Model1.Designer.cs


public BestfasedbEntities2() : base("name=BestfasedbEntities2", "BestfasedbEntities2")
{
this.ContextOptions.LazyLoadingEnabled = true;
OnContextCreated();
}


app.config:

<?xml version="1.0" encoding="utf-8"?>
<configuration>
<connectionStrings>
<add name="BestfasedbEntities2" connectionString="metadata=res://*/Model1.csdl|res://*/Model1.ssdl|res://*/Model1.msl;provider=System.Data.SqlClient;provider connection string=&quot;Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirector y|\Bestfasedb.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True;MultipleActiveResultSets=True&quot;" providerName="System.Data.EntityClient" />
</connectionStrings>
</configuration>