title: migrate sdf file to sql server
body: <p>I created code first approach application mvc and it created sdf file db. Now I want to migrate that sdf file to sql server.</p>
  
  <p>When I double click on sdf, It says message like <code>This is not a valid SQL Server Compact Database file or this file version is not supported by current SQL Server Compact Engine.</code></p>
  
  <p>I want to migrate,sync data to sql server of any better approach for future, how can I migrate db?</p>