http://www.onjava.com/pub/a/pub/a/onjava/2002/05/08/jstl.html?page=3
http://jsptags.com/tags/navigation/pager/pager-taglib-2.0.html http://java.sun.com/blueprints/patterns/ValueListHandler.html
IMO, keep caching decoupled from pagination.
navjot ps : with polaris. btw, do i know you?
Rajat Pandit, Gurgaon wrote:
Hey navjot,
Thanks for the inputs(any pointers to the documentations (URL) would again
be of great help) I have been pretty happy using the display tag, for small
record sets (about 12000 or so) but I needed something more in case I needed
to customize the pagination stuff. Like caching stuff etc. Any pointers?
Rajat
(OT (only for navjot) ps: any clue where amit malhotra is these days?)
-----Original Message-----
From: Navjot Singh [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 15, 2004 11:38 AM
To: Struts Users Mailing List
Subject: Re: RowSetDynaClass
if that was really a problem for you, then there could any/both of 2 reasons.
1. You never used ValueListHandler pattern. 2. You never had used any pager taglib.
and Chris, you could also look into *sql* JSTL that can help you doing what you want. And probabaly i recommend using this only for quick reports generation.
<navjot/>
Rajat Pandit, Gurgaon wrote:
Hey Chris, This seems like a pretty neat solution you have out here, could please explain this, as pagination stuff is kind of the most complicated things that I have to deal with and I see my self coding the same thing again and again over a period of time. I would really appreciate your time and effort. Thanks in adv. rajat
-----Original Message-----
From: CRANFORD, CHRIS [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 15, 2004 11:17 AM
To: 'Struts Users Mailing List'
Subject: RE: RowSetDynaClass
Found the answer ;-) ... Avoid the <c:...> tags all together and stick
with
the standard struts tags. The following worked:
<logic:iterate id="row" name="results" property="rows" scope="request" indexId="rowid"> <bean:write name="row" property="item_id" /> - <bean:write name="row" property="item_product_number"/> </logic:iterate>
Now have a fast, efficient paging mechanism that permits me to pass in a database connection object, the sql query to execute, starting page # and size and it handles the rest by populating itself from the database,
closing
the resultset when finished and leaves the presentation part up to my JSP
as
above!
Gotta love struts! Chris
-----Original Message-----
From: CRANFORD, CHRIS [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 15, 2004 12:35 AM
To: '[EMAIL PROTECTED]'
Subject: RowSetDynaClass
I am storing a RowSetDynaClass property in my java class and I have implemented a method on my class as follows:
public Collection getRows() { return((Collection)rsdc.getRows()); }
In my action, I store my custom class object reference as follows: request.setAttribute("results", myResultsObj);
Then in my jsp, I do the following: <bean:define scope="request" id="data" name="results" property="rows" /> <c:forEach var="row" items="${data}" varStatus="rowid"> <c:out value="${rowid.count}"/>. <c:out value="${row.item_id}" /> - <c:out value="${row.item_product_number}" /> </c:forEach>
I get the following error: [ServletException in:/pages/test-body.jsp] An error occurred while evaluating custom action attribute "value" with value "${row.item_id}": Unable to find a value for "item_id" in object of class "org.apache.commons.beanutils.BasicDynaBean" using operator "."
(null)
Can someone tell me what I am doing wrong here and how I can do this properly to get it to work?
_______________________________________________________
Chris Cranford
Programmer/Developer
SETECH Inc. & Companies
6302 Fairview Rd, Suite 201
Charlotte, NC 28210
Phone: (704) 362-9423, Fax: (704) 362-9409, Mobile: (704) 650-1042 Email: [EMAIL PROTECTED]
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