BSP Programming: BSP Element Expressions (BEEs)

Hi,
Alex reported a difficulty with
BSP Programming: BSP Element Expressions (BEEs)
/people/brian.mckellar/blog/2003/10/30/bsp-programming-bsp-element-expressions-bees
back in March.
Since I also set up the example contained in that paper recently, and since I permitted myself to add in some lines of code with which it works well, I give those lines here:
1) the bee call:
<%
if bee is bound.
%>
<bsp:bee bee="<%= bee %>" />
<%
endif.
%>
2) in the xml part of onInputProcessing:
2.1)
data: xml_errors type TIXMLTERR.
2.2)
append <xml_parm> to xml_parms.
also seemed a good idea.
I hope this is useful.
Best regards
David Lawn

Oops ... I dont need the append statement of course (because I have insert .. assigning). Sorry about that.

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Hi, can anyone please give me a tip or a small example of a use of parameters in XML BEE? They are defined in a BSP and then set there in the bee SET method of CL_BSP_BEE_XML. Brian McKellar gives an example in his Weblog /people/brian.mckellar/blog/2003/10/30/bsp-programming-bsp-element-expressions-bees but I have a different situation and dont understand what they might mean for me. Thanks for any information. Best regards David Lawn

This post has now been answered in the BSP forum.
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Hi, can anyone please give me a tip or a small example of a use of parameters in XML BEE? They are defined in a BSP and then set there in the bee SET method of CL_BSP_BEE_XML. Brian McKellar gives an example in his Weblog /people/brian.mckellar/blog/2003/10/30/bsp-programming-bsp-element-expressions-bees but I have a different situation and dont understand what they might mean for me. Thanks for any information. Best regards David Lawn

Hi Brian, thank you very much.
In fact I have success with the tutorials you have given. I still have some difficulties but believe they can be overcome:
1. I am in a method of the bsp application class. I have dumped the code into this method from a bsp page include fragment.
2. Thus, in this method, I now have business logic abap determining which <htmlb elements are created and what values the variables of these elements have. Thus at runtime I pass to the bee a concatenated string like '<htmlb:textView id ="' l_id_element_name ' text = "' l_text 'design = "' l_design '"' ... '/>'. I had figured I had, at runtime, no variables and so needed no parameters. In fact, I have had to find that if I do not code parameters then adding in a second piece of <htmlb code crashes the bee and I loose the browser display of the first one. If I parameterise the first and the second, then I have both. So thats clear. I have also found that bee string syntax is totally strict. I also looked at bee->m_dom dom_table in the debugger, together with the parameters, which helped me understand.
I am adding in bits of the huge amount of business logic at a time to keep the bee string consistent.
3. After setting the bee I pass it back to the view include that called my method (I have a nice ddic structure for that) and display the result as you do in your tutorial.
4. The total result thus is that I no longer need business logic in my view includes and can create html from htmlb in the application class method, which is what I need. Thanks!
4. My need: I firstly just need to get a form onto the browser as quickly as possible so that other project members can see it and plan. Performance is secondary at the moment. I am happy to use the xml bee.
5. The bsp I work with has a strange structure, with a page with flow logic <bsp:goto-ing a controller which calls a view with many includes, one of which is mine (which also has includes). So your other suggestion, using views, will also be followed up as soon as I get my page up and visible.
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Hi,
   I am practicing on BSP Element Expressions and i have gone through the weblog by Brain McKellar. I am trying the same example given in the weblog but i am getting an exception at the statement
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You have to instantiate the bee before you use it. otherwise the bee is not bound or is null so u'll get exception. The right way is to check the bee before you use it i.e.
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BSP Programming: BSP Element Expressions (BEEs)

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