Visual C#

to validate the two-letter 6.28 (Modified AutoPolicy Class) Modify class AutoPolicy in Fig. 6.11 state codes for the northeast states. The codes are: CT for Connecticut, MA for Massachusetts, ME for Maine, NH for New Hampshire, NJ for New Jersey, NY for New York, PA for Pennsylvania and VT for Vermont. In the State property's set accessor, use the logical OR (I1) operator (Section 6.11.2) to create a compound condition in an if...else statement that compares the meth- od' f the code is incorrect, the else part of the if...else state- s argument with each two-letter code. ment should display an error message. In la to indicate that a method received an invalid value. ter chapters, you'll learn how to use exception handling