NET050_EN_Col23_Inst_A4.pdf

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NET050
Developing Web Applications
Date
Training Center
Instructors
Education Website
Instructor Handbook
Date: 2002/Q3
Course Duration: 3 Day(s)
Material Number: 5005 3043
Owner: Jrg Stiehl (d031842)
An SAP Compass course - use it to learn, reference it for work
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Copyright
Copyright ¨ 2002 SAP AG. All rights reserved.
No part of this publication may be reproduced or transmitted in any form or for any
purpose without the express permission of SAP AG. The information contained herein may
be changed without prior notice.
Some software products marketed by SAP AG and its distributors contain proprietary
software components of other software vendors.
Trademarks
¤ icr s ft § ,WINDOWS § ,NT § ,EXCEL § ,Word § , PowerPoint § and SQL Server § are
registered trademarks of Microsoft Corporation.
¤I § ,DB2 § ,OS/2 § , DB2/6000 § , Parallel Sysplex § ,MVS/ESA § , RS/6000 § ,AIX § ,
S/390 § , AS/400 § , OS/390 § , and OS/400 § are registered trademarks of IBM
Corporation.
¤ § is a registered trademark of ORACLE Corporation.
¤I I § -OnLine for SAP and INFORMIX § Dynamic ServerTM are registered
trademarks of Informix Software Incorporated.
¤ I § ,X/Open § ,OSF/1 § ,andMotif § are registered trademarks of the Open Group.
¤ itrix § ,theCitrixlogo,ICA § , Program Neighborhood § ,MetaFrame § ,WinFrame § ,
VideoFrame § ,MultiWin § and other Citrix product names referenced herein are
trademarks of Citrix Systems, Inc.
¤ HTML, DHTML, XML, XHTML are trademarks or registered trademarks of W3C § ,
Wor ld Wide Web Consortium, Massachusetts Institute of Technology.
¤J § is a registered trademark of Sun Microsystems, Inc.
¤J I § is a registered trademark of Sun Microsystems, Inc., used under
license for technology invented and implemented by Netscape.
¤
SAP, SAP Logo, R/2, RIVA, R/3, SAP ArchiveLink, SAP Business Workflow,
WebFlow, SAP EarlyWatch, BAPI, SAPPHIRE, Management Cockpit, mySAP.com
Logo and mySAP.com are trademarks or registered trademarks of SAP AG in
Germany and in several other countries all over the world. All other products
mentioned are trademarks or registered trademarks of their respective companies.
Disclaimer
THESE MATERIALS ARE PROVIDED BY SAP ON AN "AS IS" BASIS, AND SAP
EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, EXPRESS OR APPLIED,
INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THESE MATERIALS
AND THE SERVICE, INFORMATION, TEXT, GRAPHICS, LINKS, OR ANY OTHER
MATERIALS AND PRODUCTS CONTAINED HEREIN. IN NO EVENT SHALL SAP BE
LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL,
OR PUNITIVE DAMAGES OF ANY KIND WHATSOEVER, INCLUDING WITHOUT
LIMITATION LOST REVENUES OR LOST PROFITS, WHICH MAY RESULT FROM THE
USE OF THESE MATERIALS OR INCLUDED SOFTWARE COMPONENTS.
About this Handbook
This handbook is intended to complement the instructor-led presentation
of this course, and serve as a source of reference. It is not suitable for
self-study.
Typographic Conventions
The following typographic conventions are used in this guide.
Type Style
Description
Example text
Wordsorcharactersthatappearonthescreen.
These include field names, screen titles,
pushbuttons as well as menu names, paths, and
options.
Also used for cross-references to other
documentation both internal (in this
documentation) and external (in other locations,
such as SAPNet).
Example text
Emphasized words or phrases in body text, titles
of graphics, and tables
EXAMPLE TEXT
Names of elements in the system. These include
report names, program names, transaction codes,
table names, and individual key words of a
programming language, when surrounded by
body text, for example SELECT and INCLUDE.
Screen output. This includes file and directory
names and their paths, messages, names of
variables and parameters, and passages of the
source text of a program.
Example text
Exact user entry. These are words and characters
that you enter in the system exactly as they
appear in the documentation.
Example text
Variable user entry. Pointed brackets indicate
that you replace these words and characters with
appropriate entries.
<Example text>
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2002/Q3
¨2002 SAP AG. All rights reserved.
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NET050
IconsinBodyText
The following icons are used in this handbook.
Icon
Meaning
For more information, tips, or background
Note or further explanation of previous point
Exception or caution
Procedures
Indicates that the item is displayed in the
instructorÔs presentation.
iv
¨2002 SAP AG. All rights reserved.
2002/Q3
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Contents
CourseOverview......................................................... vii
CourseGoals...........................................................vii
Course Objectives ....................................................viii
Unit 1: Introduction........................................................1
Introduction toProgrammingModels.................................2
Unit 2: Fundamentals................................................... 13
Forms inHTML........................................................ 14
Fundamentals of the ABAP Workbench . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Unit 3: SAP Internet Transaction Server............................ 47
Architecture of the SAP Internet Transaction Server . . . . . . . . . . . . . 49
SAPGUI for HTML ................................................... 68
Web Transactions..................................................... 76
ITS Flow Logic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Other Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Unit 4: SAP Web Application Server ...............................135
Architecture of theWebApplicationServer ......................137
DevelopingBSPApplications ......................................143
Unit 5: Comparing the ProgrammingModels and Tools.......163
Comparing the Programming Models and the Development
Tools ...............................................................164
Unit 6: Comparison of the Technologies ..........................179
Comparison...........................................................180
Index .......................................................................191
v
2002/Q3
¨2002 SAP AG. All rights reserved.
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