I must use this conn string
Code:
    <add name="dentnedEntities" connectionString="metadata=res://*/Entity.Model_dentned.csdl|res://*/Entity.Model_dentned.ssdl|res://*/Entity.Model_dentned.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=DESKTOP-Q8526KR;initial catalog=dentned;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />
But the question is how should it be in login form.. and how to access the user and passwrd? user-type?