... wizard and the DataTable and TableAdapter are generated, notice that the wizard automatically detects that the Suppliers and Products table have a relationship in the database and creates a ... in applications. You can modify the data in the DataSet, and later reopen the connection and send the changes back to the database. You can manually open a connection to a database by creating ... time. Instead, a better approach is to connect to the database, fetch the data into a DataSet object, and then disconnect again. The user can browse the data in the DataSet and make any changes...