title: .sln file lost, then how to run a project which has a database connection?
body: <p>I have created a project of Online Book Shop like Flipkart but now I lost my .sln file of this project, it has a database connection so how can I create a new .sln file and run my project??</p>
  
  <p>I tried to make blank .sln file and want to add all files of my project but failed to do that so anyone has a solution share.....</p>