Welcome to CS 199

1
Welcome to CS 199
Intro to C
2
Recommended Reading

• ASP .NET Kick Start
• ASP .NET Data Web Controls Kick Start
• ASP .NET Coding Strategies
• See slide notes for more details.

3
History

• CGI Common Gateway Interface (dynamic)
• ISAPI Internet Server API (threaded)
• ASP Active Server Pages (scripted)
• ASP .NET (CLR and OOP)

4
Where it sits
ASP .NET
System.Web
System.Data
System.Net
System.Xml
Operating System
Operating System
Operating System
5
Processing a Request
ASP.NET Page
ASP.NET Service
HTTP Handler
Application
HTTP Module
HTTP Module
Global.asax
.NET Code
ASP.NET Runtime
Host (IIS, other)
Native Code
6
ASP vs ASP .NETSeparation of Code from Content

• If code and presentation mixed, hard to build
  real apps
• Developers and UI designers can work independently

ASP
ASP.NET
Separate files
Single file
code
lttagsgt
lttagsgt
code
WebForm1.aspx
Form1.asp
WebForm1.aspx.vb
7
Page Development Compile pages on the fly rather
than interpret them
ASPX File
8
Pages have events just like Windows
Page is loaded, control hierarchy initialized
Page_Load
Control events
List1_SelectedIndexChanged
1. Change Events
Button1_Click
2. Action Events
Control hierarchy is rendered
Page_Unload
Page is disposed
9
Simple Page Basics

• Creation
• Validation
• Controls Maybe some other time?

10
Configuration?

• Caching
• Configuring
• Securing One way hash functions
• Maintaining State

11
ADO .NET (ActiveX Data Objects)

• Making a connection
• Getting data
• Saving data
• Displaying data