Web Connection User's Guide
When creating a VisualAge web application for OS/390, you
can use all of the parts in the Web Connection Parts and Web Form Parts
categories. All visual parts, those parts that are visible on the web
page, are placed on an HTML Page part. All web parts that receive or
store input, usually from a previous page, must be placed within an HTML Form
part. The web application can also access VSAM and non-VSAM data sets,
DB2, MQSeries, TCP/IP, CICS transactions, and other programs written in COBOL,
C, or PL/I.

You can use Smalltalk to write program logic that does any of the
following:
- Starts a CICS transaction
- Retrieves input from a web page
- Reads from or writes to an OS/390 database
- Calls non-Smalltalk programs
- Maintains session data
- Passes results to web parts for display.
Some examples of what you can do with VisualAge Smalltalk and VisualAge
Smalltalk Server for OS/390 are:
- Create a new application that uses centralized OS/390 databases and
interfaces with the user via a web browser.
- Call existing OS/390 COBOL application modules from a new web application
front-end using the COBOL language feature of VisualAge Smalltalk.
- Port an existing web connection application on Windows, OS/2, or AIX that
did remote access to OS/390 databases or transactions and change the remote
access to direct access.
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