Re: paging for web application

2001-02-12 Thread Steve A Drake

On Wed, 31 Jan 2001, Peter Alfors wrote:

 check out the pager taglib:  http://jsptags.com/tags/navigation/pager/

 Very handy! For anyone else looking at this for paging long-winded
result sets, and using Tomcat 4.0-b1, I needed to edit the demo
"pager-demo.jsp" and change:

pg:pager maxIndexPages="%= 20 %"

to:

pg:pager maxIndexPages="20"


This fixes a hack put in to convert "20" to an int as delineated in the
pager troubleshooting section.




Re: paging for web application

2001-02-12 Thread Steve A Drake

On Wed, 31 Jan 2001, Peter Alfors wrote:

 check out the pager taglib:  http://jsptags.com/tags/navigation/pager/

 Actually, I can run the example that comes with the distribution but am
having some problems using this pager taglib in Struts. The links created
by the pager aren't working.

 The example I'm working on has a JSP with an embedded form that, upon
submission, invokes a database query and reads back the results stored in
request scope beans (to the same JSP). The pager creates the correct
number of links to result pages. For example, one link created is:

http://localhost/project/simpleQuery.jsp?pager.offset=1

But when I click on this link I only get my simple query form and the
pager output of:

Result Pages [Prev] 1


but no other results. I've also tried typing in the URL:

http://localhost/project/simpleQuery.do?pager.offset=1


with the same result (or lack there-of).

 Ideas? Any help is appreciated!
 Sorry if this is off-topic for Struts.





Re: paging for web application

2001-02-12 Thread Steve A Drake

On Mon, 12 Feb 2001, Steve A Drake wrote:

 On Wed, 31 Jan 2001, Peter Alfors wrote:
 
  check out the pager taglib:  http://jsptags.com/tags/navigation/pager/
 
  Actually, I can run the example that comes with the distribution but am
 having some problems using this pager taglib in Struts. The links created
 by the pager aren't working.

 Well, I did get this working but with a couple of major caveats. 

1) In order to define a given pg:index, I had to use scriptlets for all
the code between the start and end tag. I assume this is because - from
what someone enlightened me earlier with - you can't nest tags. I hope
I'm wrong about this because it significantly clutters up the JSP and 
renders all the bean tags unusable. =:|

2) I needed to locate the hypertext index at the bottom of the document
because the index dimensions are determined as the results are iterated. I
assume this could be fixed by buffering the output to a StringBuffer or
somesuch but havn't tried that yet.


If anyone has some usage suggestions for this pager taglib, I'd
appreciate your input.




Re: paging for web application

2001-02-01 Thread JamesW


Misak,

I've found the pager tag that James over at http://www.jsptags.com has
developed is quite powerful and usable. I've used it in some prototypes
using Struts and Tomcat. One of my colleagues attempted to get it to work
under Weblogic without much luck, but we didn't spend much time on it. Now
I'm just waiting for him to make the taglib that generates his menu
available :-)

Here's the link http://jsptags.com/tags/navigation/pager

This topic does beg the question whether Struts should have its own paging
tags... I suspect you can probably implement paging with the standard logic
and iteration tags though...

Regards,
James W.

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Re: paging for web application

2001-01-31 Thread Peter Alfors

check out the pager taglib:  http://jsptags.com/tags/navigation/pager/


"Boulatian, Misak" wrote:

 Hi alI,

 I am trying to implement paging for web application. The query may return
 over thousand records and it is a bad idea to dump all of those to the
 client. I was thinking to feed only 50 records at a time and have client to
 click for next or previous page. We are using struts with EJBs. Our action
 classes call session EJBs, which return information as a javabean. Does
 anyone have any ideas or done anything with struts in regards to paging (it
 may not even have to do anything with struts).

 I appreciate any responses.
 Thanks,
 Misak


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