Step-1: Click on SQL server.
Step-2: Click on Setup button. Configuring Database window will appear.
Step-3: Select server name, select log on to the Server option and click on Connect.
Step-4: Select the existing database and click on OK. Connection string will be visible in selected server area on Options window.
Step-5: Again click on OK on Options window.
Please check your uploaded file extension.
Please Select a file.