title: ASP.NET Web API database not created in localdb
body: <p>I have created an asp.net web api 4.5.2 project and I can't find the database that it's using for adding users. The info in the connection string: </p>
  
  <pre><code>Data Source=(LocalDb)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\aspnet-WebApplicationTest2-20160906022916.mdf;Initial Catalog=aspnet-WebApplicationTest2-20160906022916;Integrated Security=True. 
  </code></pre>
  
  <p>But when I check the app_data directory it's empty. Where can I find this database?</p>