A difference between a listbox and a drop-down combobox is _________.

What is a button's default event type?

A class cannot implement an interface while also inheriting from a base class.

You are using the SQL Transaction class for a series of SQL statements. Where do you attach the SQLTransaction by using BeginTransaction?

Which of the method is used to display the form as modal?

When declaring two methods with the same names but different parameter types, you should use which keyword?

What is a button's default event type?