Do you want to include the password in the connection string Dialog Box
Allows you to control whether a password is embedded into the connection string. The Do you want to include the password in the connection string dialog box appears whenever a new connection object is added to a project that includes an embedded connection string.
Include password (Yes)
This will embed the password into the connection string that will be saved as clear text in the application's source code and compiled assembly.Security Note Storing connection-string details (such as a password) can affect the security of your application. Using Windows Integrated Security is a more secure way to control access to a database. For more information, see Protecting Connection Information (ADO.NET).
Don't include password (No)
Creates a connection string that does not include a password value.Note
Code to provide valid credentials to the data source needs to be added to your application, or an exception may be thrown due to login failure if the login at the data source requires a password.
See Also
Concepts
Preparing Your Application to Receive Data
Fetching Data into Your Application
Binding Controls to Data in Visual Studio
Editing Data in Your Application
Other Resources
Overview of Data Applications in Visual Studio