Subject: RE: [xsl] Pageing From: "Passin, Tom" <tpassin@xxxxxxxxxxxx> Date: Wed, 7 Jul 2004 15:45:41 -0400 |
> From: Evan Wellens [mailto:evanw@xxxxxxxxxxxxxxxxxxxx] > > Does anyone know any tricks to pull off paging without involving > server interaction. Our XML & XSL must be portable and transform without > server interaction. I know I can filter by record count with something > like > > <xsl:if test="position() < 17"> > I presume that you want to display a series of records from a database query? > But this type of static processing will not allow for things such as next > and previous page links ( at least I don't believe so) . Why not? There are various ways you can go, depending on just what kind of data you plan to send and whether you can dynamically do xslt transformations in the browser (which you can with IE and also, I think, with Mozilla). A) The simplest thing to do is to fake the paging - put all the data on a single page, but space each successive block of records so far down that it isn't visible when the previous block is on the screen. Your stylesheet would insert hyperlinks for previous and next "pages". I have done this with presentations. To a user, it looks like you are bringing in a new page, but really you are just navigating to a different part of the same one. This approach does not require dynamic xslt transformations, just one on page load, and it could be done at the server. B) If you can do dynamic transformations, you can feed the stylesheet a parameter that says which records to include on a page, and again the stylesheet would create the hyperlinks. This time, the hyperlinks would probably point to javascript code to run the corresponding transformations. C) Somewhat more painful but very still feasible is to have the stylesheet create javascript data structures that contain all the data. When the user pages, you would rewrite the display block (preferably a "div" element") using a javascript function. This approach is also very feasible. Again, the transformation could even be done on the server before sending the page to the browser. I have done A) and C) myself with good success. Cheers, Tom P
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