A well-designed program should validate the contents of multiple TextBoxes in a single statement.

If the expression on the left side of the || operator is true, the expression on the right side is not checked.

In a flowchart, the diamond symbol indicates some condition that must be tested.

If all statements in a try block execute with no exception, the catch block is skipped.

RadioButton controls are grouped according to the container in which they are placed.

A Label control’s Text property is initially set to the same value as the Label control’s name.

In a C# application, all buttons on a form must share the same Click event handler in the form’s source code file.

A control’s name should reflect the purpose of the control.

In a program with a graphical user interface, all the objects are always visible when the program starts.

When you create Button controls, they are automatically given default names such as button1, button2, and so forth.