You can add any number of servers and database name in it. It will store all servers and database information.
You can delete any existing server or database.
When you select any server then it will show all the database present in that server. select the server and database of your interest and enter the username and password for corresponding values, So it will make a connection string.
The connection string is nothing but "server_value\database_value\username\password"
Select the file formate of your interset and then click on the replace button it will replace the connection string value with new connection string in all files of that format.
How to delete any server or database information
If you want to delete any server information then first select the server value and click on the "delete selected server" button. It will delete the server and database information present in this server.
And if you want to delete any database information the select the server value from the drop-down and then select the database value from the corresponding drop-down and then go to "Manage database" and click on "delete selected database". it will delete the database information.