title: Get connection string in class library project in a solution
body: <p>In my .net 4 solution, i have two different projects- an web application project and a class library project.</p>
  
  <p>In web application project, database connection string is in web.config file. I would like to access that connection string from class library project. Is it possible? if yes, how?</p>
  
  <p>If there is any better approach to get connection string, please let me know.</p>