The Program Component

Dispatcher applications are composed of program components and input components. The name program component is a convenient name for the part of the Dispatcher application that runs on the SAS server. It will be one of the four types of programs that are listed below. The input component is stored on the Web server and is the interface between users and the program component (or SAS).

• The Four Types of Programs
  • SAS Programs
  • Source Entries
  • SCL Entries
  • Macro Entries
• Receiving Input Component Data
• Reserved or Special Variables
• HTTP Headers
• Using HTML Formatting Tools
• Using the Output Delivery System (ODS)
• Using the REPLAY Program
• Advanced Programming Techniques
  • Data Passing and Program Chaining
  • Embedded Graphics
  • Browser Referral with the Location Header
  • Creating Various Date/Time Formats
• Creating Temporary Files
• Sessions
• Using Sessions: A Sample Web Application
• Uploading Files
• Application Server Functions
  • APPSRVGETC
  • APPSRVGETN
  • APPSRVSET
  • APPSRV_AUTHCLS
  • APPSRV_AUTHDS
  • APPSRV_AUTHLIB
  • APPSRV_HEADER
  • APPSRV_SESSION
  • APPSRV_UNSAFE