title: How can I get a connection string from a text file?
body: <p>I have developed a Windows application with the backend of SQL Server to insert employee names. I am going to insert the employee details on three databases one by one. So, I like to get connecting values from text file. Whenever I want to change the connection, I just want to enter the login details in the text file. </p>
  
  <p>How can I get a connection string from a text file?</p>