Homework 3 (C# Object Oriented Programming)

Ø Make a Windows App that manages Employee data. The App should be based on (OOP) “Demo 01 Employees”, and is demonstrated without source by Homework3.exe

Ø (35) The App must show encapsulation and inheritance use

§ Visually inherit from a base form in an external assembly that has a company logo “Employee Co.” as a fixed label field.

§ Handle two new kinds of Employees, a Consultant and a Human Resource person. Make appropriate fields, properties, ctor’s, and methods.

§ HR person has int contacts property, and gets bonus of (contacts*amount)

§ Consultant has float overtime property, and gets bonus of (overtime*amount)

Ø (50) The App must show use of polymorphism

§ The App should add new employees of the various kind into an internal Employee Array, and initialize data, for any of the various kinds of employee. Various screen entries can accomplish this, as given in Homework3.exe.

§ The App must have functionality that will clear all employees of any type

§ The App must be able to display the “stats” or employee info of any selected employee

§ Compute a weekly payroll list with names and amounts, and print it to a file pay.txt.

§ A payroll total should be displayed on the GUI.

Ø (15) The App must be able to distinguish derived class members by type

§ The payroll is computed by issuing bonus amounts (below), and then adding currPay’s into a total:

§ Manager- 1000.00

§ Sales- 100.00

§ PT Sales- 50.00

§ HR- 10.00

§ Consultant-100.00

§ EXTRA CREDIT: (5) Save the current employee data to a file emps.dat

§ EXTRA CREDIT: (5) Recover the saved employees

NOTE BENE: Future assignments will build on the current Employee App

§ The Employees class will be improved to

§ Work will the “foreach” iterator in a collection

§ Have name, ID, and other indexers; and a “+” operator

§ Be written and recovered to a file

§ Be written and recovered to an ADO.NET database

§ Have much more appropriate GUI elements

§ Much more