Download ISYS 512/812 Business Application Design and Development

ISYS 512
Business Application Design and
Development with .Net
David Chao
Business Applications
• 1. Database-centric applications
– Personal: desktop, PDA/Smart Phone
– Workgroup/Departmental databases
– Enterprise database
• Enterprise Resource Planning (ERP)
– Integrate all enterprise functions (manufacturing, finance,
sales, marketing, inventory, accounting, human
resources)
– TPS, DSS, ESS
Business Applications
• 2. Client/Server structure:
a. Presentation – user interface
• Menus, forms, reports, etc
b. Processing logic
• Business rules
c. Database
SQL queries
Client
Database Server
Results
Business Applications
• 3. Multiple platforms
– Windows-based
– Web-based
– Mobile-based
Business Applications
• 4. Component and service oriented
architecture:
– Component-based software development
focuses on building large software systems
by integrating previously-existing software
components.
– A service-oriented architecture is an
information technology approach or strategy
in which applications make use of services
available in a network such as the World
Wide Web.
N-Tier Client/Server Structure
• Two-Tier
• Client-based presentation.
• Processing logic is buried either inside the user
interface on the client or within the database on the
server, or both.
• Three-Tier
– Processing logic is separated from the interface
and database.
• N-Tier:
– Using services
The Web as a Database Application
Platform
• Three-tier architecture
– Browser - interface
– Server
• web server, database server
– processing logic
• Advantages:
– Cross-platform support
– Graphical user interface
Business Applications
• 5. Object-oriented, GUI, event-driven
Course Objective
• Develop database-centric, multiple
platforms, component and service oriented
business applications with .Net.
.Net Architecture
VB.Net
C#/J#
C++
Common Language Specification
ASP.Net
Windows Forms
Data and XML
Base Class Library
Common Language Runtime
• Common Language Runtime:
– Manages execution of compiled .NET program.
– Provides .Net basic services, such as memory
management, garbage collection, etc.
• Base Class library: define all the basic data types
such as system.object, numeric, date, etc.
• Data and XML: Classes work with database
(ADO.NET) and XML document.
• ASP.Net and Forms: Classes that generate user
interface.
• CLS: CLS dictates the minimum group of
features that a .Net language must have.
Execution of a .Net Program
• Language must compliance with Common
Language Specification, CLS.
• Compile the language into Microsoft
Intermediate Language (MSIL) code.
• The MSIL code is then executed in the
Common Language Runtime (CLR), which
conceptually is same as the Java Virtual
Machine, where it is translated into machine
code by a compiler.
• It is a server-side technology.
.Net Advantages
• It is independence from a specific language.
– Developers can create a .Net application in any .Net
compatible language.
– .Net moves most of the functionality from the language to the
.Net Framework. All .Net languages can use these classes.
• It can exist on multiple platforms:
– Windows, Web, Mobile devices
• Facilitate application development
– Tools, wizards
• Universal data access: Data can be accessed by any
Internet-connected device.
– ADO.Net
• Implement latest development technologies.
– Ex. AJAX
Programming in the .Net
Framework
• Programming in the .Net Framework
means making use of the classes, objects,
and members exposed by the Framework,
building your own classes on top of these
and manipulating the resulting objects
using a .Net language.
Hands On Techniques
• Visual Basic .NET
– Interface and event-driven programming
– Class and component programming
• Database programming
– Embedded SQL
– ADO.NET programming model
– LINQ
• Web Techniques:
– Server side scripting: ASP.NET
– ASP.Net and ADO.Net
– Web services:
• Introduction to XML
Required Software
• Visual Studio 2008
– It has a web server to test web projects.
• MS SQL Server 2008 Express
• Windows XP Professional with Service
Pack 2
• Optional:
– Internet Information Services:
• Control Panel
• Add/Remove programs/Windows Components/IIS
VS 2008 Professional
• Copy VS 2008 Professional at the BUS
Computer Lab and install it.
• Upgrade it to SP1:
– Download and install VS 2008 SP 1
– http://msdn.microsoft.com/en-us/vstudio/cc533448.aspx
Download and Install MS SQL
Server Express 2008
• Download page:
– http://www.microsoft.com/downloads/details.aspx?FamilyID=58ce885d508b-45c8-9fd3-118edd8e6fff&DisplayLang=en#Overview
• SQL Server Book Online:
– http://msdn.microsoft.com/en-us/library/ms130214.aspx
• SQL Server database file extension: mdf
• Default database folder: Example: testSQL08.mdf
– C:\Program Files\Microsoft SQL
Server\MSSQL.1\MSSQL\Data\testSQL08.mdf
To Start/End SQL Server
• SQL Server Express is a “service”
• To start SQL Server service:
– Control Panel/Administrative
Tools/Services/SQL Server Express