Exhibit: You are developing a Web application. The Web application uses a GridView control to display data. You build your Web Forms for the Web application by dragging and dropping tables from the Data Connections tree in Server Explorer. You need to add a connection to your data by using the Add Connection dialog box as shown in the exhibit. During the process, you need to configure the .NET Data Provider that you use to create the data source objects. What should you do?（）
A. Right-click the connection, and click Properties. Modify the Provider property of the data connection.
B. Click the Change button, and change the data provider for the selected data source.
C. Click the Advanced button, and change the Data Source property to the target provider.
D. Click the Advanced button, and change the Application Name property to the target provider.