LKF Portfolio
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LKF Portfolio

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A sample of my programming work.

A sample of my programming work.

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LKF Portfolio Presentation Transcript

  • 1.
    • .NET Portfolio
    • Leon K. Francis
    • Email: LeonKFrancis@hotmail.com
    • Phone: (801)651-0863
  • 2. .NET Framework Project
    • Build parts of the business tier for a retail company.
    • Create and test two assemblies:
      • The first assembly is a class library project called Foundation, containing various interfaces and base classes.
      • The second assembly is a class library project called AppTypes, containing various entity, collection and exception classes.
  • 3. Classes of Many Types Required
  • 4. Sample Code
  • 5. Library Database Project
    • Introduction: A database has been created to support the principal functions of a lending library’s day to day operations: checking books in and out, and adding new members (adult and juvenile)
    • Audience: Users of the library database (i.e. librarians).
    • Project Goals: Provide an easy to use user interface to access and manipulate the data in the database.
  • 6.
    • Layered Architecture
    • Data transport between layers using Entities
    • User-friendly Interface.
    • Menu driven Navigation.
    • Well Covered Validations
    Design Highlights
  • 7. Library Phase I
    • Requirements:
      • Develop a Windows front-end with four functions
        • Add adult member
        • Add juvenile member
        • Check in an item
        • Check out an item
    • Two Projects Developed:
      • Windows Client
        • Form control
        • Validation
      • Business Layer
        • Business layer enforcement
        • Data access layer communication
  • 8. Project Sample (Get Member Info)
    • Can view member information
    • Highlights out dated card expiration
    • Highlights over due books
  • 9. Project Sample (Add Adult Member)
    • Combo box populated from XML file
    • Icon and tool tip used to communicate errors
  • 10. Hi-light expired membership
  • 11. Library Phase II
    • Develop stored procedures for seven processes:
      • Add member
      • Get member
      • Check in an item
      • Check out an item
      • Get item (returns an item with a specific ISBN and copy #)
      • Get items (returns all items a member has checked out)
      • Convert juvenile to adult membership
    • Create a data access layer:
      • Call stored procedures in the database
      • Return data or throw errors to the Business layer
    • Create Entities classes accessible to all layers:
      • Member
      • AdultMember (derived from Member)
      • JuvenileMember (derived from Member)
      • Item
      • ItemsDataSet
      • LibraryException
  • 12. ADO.NET code in Data Access Layer
  • 13. Stored Procedure (ConvertJuvenileToAdult)
  • 14. Library Phase III
    • Convert Windows interface to Web interface
    • Add functionality:
      • Add new item to the database (new ISBN or copy of existing ISBN)
      • Ability to renew membership card
    • Add Security:
      • Add a Librarian role to the database with users
      • Prevent everyone except the Librarian role from accessing library functions
  • 15. Log-in screen on startup for security
  • 16. All functionality from Windows UI remains in Web UI
    • In addition, user has the option to renew an expired card
  • 17. Use of validators to provide error checking
  • 18. Sample code to add member to database
  • 19. Library Phase IV
    • Create a Web service that calls into the business layer
    • Update the presentation (UI) layer to call the Web service
    • Employ WSE 3.0 security using certificates
    • Support previous project functionality
  • 20. Sample code implementing the Web service
  • 21. Summary
    • Six projects (Framework, Library Phase I – IV, Evaluation Surveys (team project))
    • 10,000+ lines of C# code
    • 1000+ lines of supporting code (SQL, XML, HTML)
    • 240+ project hours