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Home/ Questions/Q 8145953
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Editorial Team
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Editorial Team
Asked: June 6, 20262026-06-06T13:49:51+00:00 2026-06-06T13:49:51+00:00

heelo this is my connection string <connectionStrings> <add name=DefaultConnection connectionString=Data Source=.\SQLEXPRESS;Initial Catalog=Test;Integrated Security=True providerName=System.Data.SqlClient;Password=;User

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heelo this is my connection string

  <connectionStrings>
    <add name="DefaultConnection" connectionString="Data Source=.\SQLEXPRESS;Initial Catalog=Test;Integrated Security=True" providerName="System.Data.SqlClient;Password=;User ID=;"/>
  </connectionStrings>
  <appSettings>

and this is my error please help me
Cannot open database “DataLayer.Context.test” requested by the login. The login failed.
Login failed for user ‘test\test_web’.

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  1. Editorial Team
    Editorial Team
    2026-06-06T13:49:53+00:00Added an answer on June 6, 2026 at 1:49 pm

    You have specified the “DefaultConnection” as name of the connection string here. so your context class should have the same name. (it’s the default convention in ef code-first)

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