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author's profile photo Former Member
Former Member

urgent: difference between web dynpro and visual composer

hallo,

what is the difference between web dynpro and visual composer?? please give some advice. i have to decide which technology we use in our company.

we have WAS 6.4 and portal 6.0.

both technologies use a graphical interface and create metadata, import BAPIs from sap ...

help would be great, because i didn't found any answer in the documentations.

daniel

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2 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Dec 13, 2004 at 12:15 PM

    WebDynpro is a programming model for GUI, logic... for <b>"stand alone" or EP</b> applications.

    Visual composer is something for developing GUI in the <b>EP</b> (more GUI less logic)

    See https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/documents/a1-8-4/ui development without writing code - aka sap visual composer.pdf

    WebDynpro is the more neutrally way

    Using one should NOT be the kick off for the other...

    OK?

    Walter

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 13, 2004 at 12:47 PM

    thanks for your answer. i already read this docu.

    i don't understand why visual composer is only for gui?

    --> eventing ... is possible, too

    is there a possibility to keep parameters alive when there are more than one views (like context in web dynpro??)

    is that right, that the visual composer can only use simple htmlb-controls and web dynpro uses complex patterns? i heard something like that in another forum. do you know what is the difference between web dynpro patterns and htmlb-controls??

    help would be so great (this was my last question)

    greets daniel

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    • Former Member

      > i don't understand why visual composer is only for

      > gui?

      > --> eventing ... is possible, too

      Yes, eventing for HTMLB

      > is there a possibility to keep parameters alive when

      > there are more than one views (like context in web

      > dynpro??)

      I think Yes. You just have to stor them in the session (compontentSession)

      > is that right, that the visual composer can only use

      > simple htmlb-controls and web dynpro uses complex

      > patterns?

      Yes, as far as I know that's right.

      > do you know what is the difference between web

      > dynpro patterns and htmlb-controls??

      HTMLB is a limited framework for creating a GUI in EP applications. The framework will also catch defined events. If You are developing with HTMLB You are more or less bound in a EP landscape.

      With WebDynpro You have a Framework for complete J2EE apps which are run "stand-alone" or in a EP Runtime. You are limited on a WAS 6.x Server. So, in WebDynpr You will have some patterns for calling a Webservice, DB....

      I hope this helps

      Walter

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