PowerPoint C# .NET Portfolio

1. .NET Portfolio
John D. Beyler Portfolio
jdbeyler@windstream.net
859-327-9047

2. PROJECT I
.NET Framework

3. Framework Project Requirements
 Build parts of the business tier for a retail company
involving suppliers and products.
 Create and test two assemblies.
o The first assembly is a class library project called
Foundation, containing various interfaces and base
classes.
o The second assembly is a class library project called
AppTypes, containing various entity, collection, and
exception classes used by existing business
processes.

4. AppTypes Class Diagram

5. Event Handling for Modification Events, Register/Deregister

6. IComparible implementation for Product class
Method to instantiate new
instance of SortByCategoryID
nested class
Nested class to compare to
Product objects

7. Foundations Class Diagram

8. Contact class implements IContactInfo (see Foundations class diagram)

9. Library Management System Project
Phase I
 Requirements:
 Develop a Windows front-end with 4 functions
 Add adult member
 Add juvenile member
 Check in an item
 Check out an item
 Projects Developed:
 Windows Client
 Form control
 Validation
 Business Layer
Business Rule enforcement

Data Access Layer Communication


10. Design Highlights
Layered Architecture

Data transport between layers using Entities

User-friendly Interface.

Tabbed driven Navigation.

Validation of user input at the presentation and

business tiers
 Error handling at database, data access, business
and presentation tiers

11.  Home page with tabbed navigation

12.  Validation of required user input, presentation layer

13. Call into Business tier
 Code sample add new member, Presentation layer

14. Library Management System Project
Phase II

15.  Code sample add new member, DataAccess (ADO .NET) tier

16. A L TE R PROCE DURE [dbo].[A ddA dult]
-- General Comment:
-- The S tate parameter of all RA IS E RROR calls is the ordinal value
-- of a particular E rrorCode enum for any given L ibraryE xception,
-- for all calls to RA IS E RROR
@member_no smallint = null output, -- Parameter to return the new memberNumber
@firstname varchar(15) = null,
@middleinitial char(1) = null,
@lastname varchar(15) = null,
@street varchar(15) = null,
@city varchar(15) = null,
@state char(2) = null,
@zip char(10 = null,
@phone_no char(13) = null
AS
-- check to make sure that all required inputs have valid values, if no raise S qlE rror and return
IF ( L E N(@firstname) = 0 OR L E N(@lastname) = 0 OR L E N(@street) = 0 OR
L E N(@city) = 0 OR L E N(@state) = 0 OR L E N(@zip) = 0)
B E GIN
RA IS E RROR ('Failed to add adult member, a required field is empty', 11, 8)
RE TURN
E ND
-- B egin the transaction of adding a new adult member
-- Rollback any failed modifications and raise the appropriate S qlE xception
-- Otherwise, commit a successful transaction
B E GIN TRA NS A CTION
INS E RT member
(lastname, firstname, middleinitial)
V A L UE S
(@lastname, @firstname, @middleinitial)
IF (@@error <> 0)
B E GIN
RA IS E RROR ('Insert into member table failed', 11 ,8)
ROL L B A CK TRA NS A CTION
RE TURN
E ND
S E T @member_no = scope_identity();
INS E RT adult
(member_no, street, city, state, zip, phone_no, expr_date)
V A L UE S
(@member_no, @street, @city, @state, @zip, @phone_no, Dateadd(Y Y , 1, Getdate()))
IF (@@error <> 0)
B E GIN
RA IS E RROR ('Insert into adult table failed', 11 ,8)
RE TURN
E ND
COM M IT TRA NS A CTION
 Stored procedure AddAdult

17. Library Management System Project
Phase III
 Replace Windows front-end with Web front-end
 Add Functionality
Add Item either with a new ISBN or new copy of an existing ISBN

Automatic Conversion to Adult Membership for Juvenile 18 years and

over with notification to Librarian
Membership renewal upon Librarian acknowledgement

 Add Security
Add a Librarian role

Add 2 users to the Librarian role

Prevent everyone except the Librarian role from accessing the library

functions

18. Automatic Conversion to Adult Membership for Juvenile
18 years and over with notification to Librarian

19. Checks out a book to a member

Can view member info & out standing items to the member

Highlights over due items info

Highlights expired card and offers renewal option


20.  Total number of projects: 6
 Total number of regular working hours dedicated to
projects: 240
Total number of overtime hours dedicated to projects:

100+
Total lines of C# code written: 13,000+

Total lines of supporting code (XML, HTML, SQL):

1,500+
Note: Additional work was required outside the projects.
