Print button in ABAP WebDynpro

Hello all,
The client has requested a 'Print' button in our webdynpro application - ie a simple button that triggers the browser command Ctrl P.
I have searched the forum, and it seems that this is not possible, because WebDynpro cannot execute browser commands (or indeed, javascript).
Can someone please suggest a solution - OR - confirm that this functionality is not possible?
thanks
Paul
Note: Note: We do NOT want to use ALV, Adobe or Smartforms. We just want to print what's on the webdynpro screen.

Micky,
I thank you for that clear response: It is not possible to print from ABAP WebDynpro.
> What should that printbutton do?
We want it to do the same as Ctrl P, which is to print the entire web page. (We don't have frames etc)
>WD4A is normally intended to be used with Adobe Interactive forms
This is news to me! Is this an accepted view in the SAP communit... that WebDynpro requires Adobe to achieve full functionality? That is disappointing, to say the least. And a step back from BSP.
We are building multiple online calculators, and it would be a huge overhead to have to develop (and maintain) an Adobe form for each calculator, simply to enable the user to print the contents of the screen....
I have read in SDN that you can invoke a browser Print command from Java Webdynpro. A class WDPrintService has been provided.
Printing in Web Dynpro, finally
How can it be that this functionality is "not possible" for one flavour of WebDynpro, but plainly available in the other....?
cheers
Paul

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Message was edited by: Ramakrishnappa Gangappa

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However having worked with WDA for a while it is probably the best tool to custom develop what you describe. It has excellent built-in F4 value help. It also has a damn fine ALV grid implementation. The spreadsheet could be just as simple as file upload in binary or your could try your hand at office integration. Finally for the form you could use Adobe Interactive Forms which also has very nice integration into WDA.
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The Java Webdynpro route: Well you hit the nail on the head - if you don't have a Java programmer already and you don't have the bandwidth to invest in learning Java, this can be a problem. The Java Webdynpro environment is quite nice. There are some things I like better than ABAP and some things that ABAP is defintely still better at. However when it comes to heavy integration with an ABAP backend - ABAP Webdynpro is still the way to go. Java Webdynpro does have a help feature (OVS), but it isn't "for free" or nearly as nice as the ABAP Webdynpro (perhaps it will get there some day). That is one of the major advantages of WDA - its closeness to the business data brings several framework advantages like F4 and field help. WebDynpro Java in 640 also doesn't have an ALV grid implementation. I am sure that this is something both environments will eventually have, but right now ABAP has the advantage. On the other hand, Webdynpro Java has equal support when it comes to office integration, file upload, and Adobe Forms support. You would have a more difficult time integration SmartForms however.
Finally we come to BSP. Honestly if I were in your position I would probably choose BSP (unless you could wait for the ABAP Webdynpro upgrade). You could build a nice MVC OO application using BSP (stateful or stateless). The BSP product is mature and quite well documented thanks to SDN. You have the BSP Extensions which when used in Design2003 use the Unified Renderer. That means that your output will look nearly identical to the same UI elements in Webdynpro. Also BSP supports portal integration (session management, eventing, and themes).
The downside to BSP is that it isn't a full framework (also one of its advantages). You can insert all your own html and javascript (unlike webdynpro). But this also means that SAP doesn't delivery as many framework services. For instance there is no ALV or Value Help. There is no Office Integration or Adobe Forms integration. There is some farily good Smart Forms integration. Now the upside- many people have already hit these limitations and overcame them. In the weblogs on SDN and in a certain SAP Press book (cough, cough) you will find out of the box solutions for many of these problems. You can find ready to use solutions for Adobe Integration, Office Integration (using Microsoft Office Web Controls), and F4 help. It will mean investing a little more time up front to get this "home grown framework" up and running - but it is perfectly feasible.
There is a learning curve to all these new technologies however. This sounds like an abmious project. I wouldn't want to try and tackle this project in any of these technologies if I was new to them. With Webdynpro or BSP - consider giving yourself time to learn the environment and cut your teeth on some demo apps before jumping into such a huge development.

Print button in ABAP WebDynpro

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