mrc Tip: servlet 'pageName' parameter -

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mrc > Forums > m-Power Tips and Tricks > mrc Tip: servlet 'pageName' parameter

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JoeStangarone
Moderator
Registered: 11/30/05
Posts: 26

	04/25/06 at 10:53 AM	Reply with quote	#1

A little used feature of the servlets produced by m-Power and the mrc-Productivity Series is the pageName parameter. In a nutshell, what this parameter does is to tell the servlet what .html page to use for the presentation. This can have a myriad of uses, including but not limited to: Different function for different users (they can't do what's not on the page). Different looks or identities for different companies sharing a code base - interesting applications in a web-hosting or service bureau type environment. Multinationals can use different pageNames for different languages while sharing the same code base. Minimize cloning of similar applications because, oftentimes the differences between two similar applications can be addressed in the presentation tier. Let's take a look at one. In this first link, we will leave off the pageName parameter which will default the servlet to use XXXXXXs.html for its presentation where XXXXXX is the servlet name. http://www.crazybikes.com/mrcjava/servlet/MRCWEBDEMO.I00220s?CUSNO=4&slnk=1&action_mode=UVK&one_step=0 The second two links, use the pageName parameter to give completely different looks to the same application. http://www.crazybikes.com/mrcjava/servlet/MRCWEBDEMO.I00220s?CUSNO=4&pageName=I00220SL1.html&slnk=1&action_mode=UVK&one_step=0 http://www.crazybikes.com/mrcjava/servlet/MRCWEBDEMO.I00220s?CUSNO=4&pageName=I00220SL3.html&slnk=1&action_mode=UVK&one_step=0 This is just a simple example where the looks use different style sheets and headers only. Of course, you can change absolutely anything in the .html tier.
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charliehlouis
Registered: 11/29/05
Posts: 22

	07/05/06 at 10:04 AM	Reply with quote	#2

I tried the &pageName parameter and it worked great for everything but reports. When I try to use it to paint a report, it acts like it doesn't find it and I get the painting from the original Rxxxxx.html file. Am I doing something wrong?
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JoeStangarone
Moderator
Registered: 11/30/05
Posts: 26

	07/05/06 at 01:33 PM	Reply with quote	#3

Excellent question! I am glad to see that not only are people reading these posts, but they are also using them. As you know, reports have two presentation layers: RXXXXX.html is the actual report layout, RXXXXXs.html is the report prompt screen layout. The &pageName parameter refers to the prompt screen. So, if you were calling the report and skipping the prompt screen (with an &run=1 parameter), it would not even look for the &pageName parameter (because you are skipping the prompt page).. But, do not despair. What you wish to do works fine for reports. The &rptPage parameter is the equivalent of the &pageName parameter for the RXXXXX.html file. See the next "mrcTip: Going Wireless with Your Servlets" for an example.
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