General Program Structure and Techniques

• General program structure
• Redirect using Display
• Redirect using printf
• Redirect using bpx1wrt
• Watching for errors
• Deploying your CGI
• Computer Exercise:  Setting up for labs

Basic Processing

• Emitting Headers
• Emitting HTML
• Accessing environment variables
• Displaying environment variables
• Stylesheets and CGIs
• Computer Exercise:  Writing out HTML pages

Handling GET Requests

• Some scenarios
• Parsing QUERY_STRING content
• Decoding QUERY_STRING content
• Computer Exercise:  Handling incoming data

The Data Connection – Part I: The Story

• Working With Data on the Server

The Data Connection – Part II: Working With VSAM Data

• Working with VSAM files
• Computer Exercise:  Working with VSAM data

The Data Connection – Part III: Working With DB2 Data

• Working with DB2 data
• Computer Exercise:  Working wth DB2 Data (optional)

Hidden Controls and cookies

• Session continuity
• Hidden controls
• Cookies
• Modifying the previous CGI [to emit data]
• Designing the invoked CGI [to catch data]
• Coding the invoked CGI [to catch data]
• Computer Exercise:  The Persistence of Memory

POST Requests

• Finding needed storage size
• Allocating storage
• Reading from stdin
• Breaking Apart Headers and Data
• Our Sample POST CGI Logic
• The TCBPSTD CGI code
• Computer Exercise:  Handling POST Processing

Handling Files Sent by POST

• File Handling
• Computer Exercise:  Saving and Linking to Files

Working With Unicode Data

• The Role of Unicode
• CGIs and Unicode
• Computer Exercise:  Working With Unicode

Submitting jobs from a CGI

• Set up
• Logic
• Computer Exercise:  Submitting a job (optional)