... DataAdapter class by using the TableAdapter Configuration Wizard. To add a bit of variation, rather than setting the DataSource and DataMember properties of the DataGridView control by using the Design ... show you how to update data. First, however, we need to consider some potential problems and how using a DataSet can overcome them. Databases are intended to support multiple concurrent users, ... the application displays a message to the user, and undoes the changes in northwindDataSet by using the RejectChanges method. 20. In the Code and Text Editor window, replace the // Check for...