Question:

(a) How can you simple-bind controls at design mode?

(b) How can a blank record be created in a dataset bound to the controls in a Windows form?

(c) Datagrids are good for displaying simple tables. How can hierarchical tables be displayed in data grids?

(d) The table in question 3(c) is now stored in a database. A VB.NET form is connected to the database programmatically.

(i) Write appropriate codes to a add the product's details to the dataset;

(ii) Hence, write appropriate codes to update these details in the database.