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jbond007
Silver Member
posted
how do i display information on a drop down box efficiently? Currently, there's about 27,000 rows that are being retrieved and it takes forever to display information.


jbondy

This message has been edited. Last edited by: Kerry,


7.61, nt
Output: excel, pdf, html,
 
Posts: 33 | Registered: January 10, 2008Report This Post
Francis Mariani
Expert
posted Hide Post
The first question to ask: "is 27,000 option values in the drop-down list efficient? Do you really want the user to scroll through 27,000 values looking for the right one(s)? Perhaps it would make more business sense to have a series of "chained" drop-down list boxes.


Francis


Give me code, or give me retirement. In FOCUS since 1991

Production: WF 7.7.05M, Dev Studio, BID, MRE, WebSphere, DB2 / Test: WF 8.1.05M, App Studio, BI Portal, Report Caster, jQuery, HighCharts, Apache Tomcat, MS SQL Server
 
Posts: 10577 | Location: Toronto, Ontario, Canada | Registered: April 27, 2005Report This Post
Waz
Expert
posted Hide Post
Putting 27,000 items in a drop down list will kill your browser.

Can you change it to do a search to get a subset ?


Waz...

Prod:WebFOCUS 7.6.10/8.1.04Upgrade:WebFOCUS 8.2.07OS:LinuxOutputs:HTML, PDF, Excel, PPT
In Focus since 1984
Pity the lost knowledge of an old programmer!

 
Posts: 6347 | Location: 33°49'23.0"S, 151°11'41.0"E | Registered: October 31, 2006Report This Post
Tony A
Expert
posted Hide Post
quote:
how do i display information on a drop down box efficiently?
It depends upon your skill level. As Francis and Waz mention above, 27000 items is rather too many for a single drop down.

If your skill in JavaScript is sufficient then you could limit the number of items according to characters being typed by the user. Alternatively you could provide multiple chained drop downs to provide a progressive filtering of the 27000. Another method might be one I suggested at Summit last year. etc. etc. etc.

There are many ways to make your end user experience more efficient and (as I mentioned above), the limiting factor(s) include skill levels (not only of the developer but of those people destined to support the code) and imagination.

Good luck

T


In FOCUS
since 1986		WebFOCUS Server 8.2.01M, thru 8.2.07 on Windows Svr 2008 R2  
WebFOCUS App Studio 8.2.06 standalone on Windows 10 
 
Posts: 5694 | Location: United Kingdom | Registered: April 08, 2004Report This Post
Waz
Expert
posted Hide Post
quote:
There are many ways to make your end user experience more efficient and (as I mentioned above), the limiting factor(s) include skill levels (not only of the developer but of those people destined to support the code) and imagination.


Well Said.


Waz...

Prod:WebFOCUS 7.6.10/8.1.04Upgrade:WebFOCUS 8.2.07OS:LinuxOutputs:HTML, PDF, Excel, PPT
In Focus since 1984
Pity the lost knowledge of an old programmer!

 
Posts: 6347 | Location: 33°49'23.0"S, 151°11'41.0"E | Registered: October 31, 2006Report This Post
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