Sql Exception after Deploye application

Question

 

I make an app with local database  after delpoye when i attempt to run i got above Error. my connection string is as....

<connectionStrings>

<add name="connection" connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\stdmgmt.mdf;Integrated Security=True" />

<add name="connection1" connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\stdmgmt.mdf;Integrated Security=True" />

<add name="connection2" connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\stdmgmt.mdf;Integrated Security=True" />

<add name="connection3" connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\stdmgmt.mdf;Integrated Security=True" />

<add name="connection4" connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\stdmgmt.mdf;Integrated Security=True" />

</connectionStrings>

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Please Help Asap