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Tuesday, February 19, 2008

VB2005: How To Remove an Item from a ListBox

by Ged Mead via XTab (Ged Mead) on 2/19/2008 5:26:00 PM

This is something that seems to come up fairly often in the Forums. Someone wants to test for a particular value in a ListBox and if the list does (or doesn't) contain the value then that item is to be deleted. One common way of doing this would be to use the Contains function to test if the target character or substring exists in the ListBox. This isn't a particular difficult task, but the thing that usually catches most beginners out here is that you ... [ read more ]

New Community Article - Windows Workflow 101 (Beth Massi)

by VBTeam via The Visual Basic Team on 2/19/2008 5:00:00 PM

Yesterday on the Visual Basic Developer Center we released a new article by VB MVP , Maurice DeBeijer on getting started with Windows Workflow called Windows Workflow 101 . This is the first in a series of Workflow articles by Maurice. If you're struggling with how to use this technology in your applications this is a great place to start. The next couple articles will explore more advanced senarios and building custom activities. Thanks Maurice! Enjoy, - Beth Massi , Visual Studio Co ... [ read more ] 5 comment(s)

Three Steps to Unmaintainable Code

by PSteele via Patrick Steele on 2/19/2008 3:55:09 PM

At one time or another, we've all been asked to maintain or modify someone else's code. On those few occasions where the code is well organized and documented, we barely notice we're working. Coding is what we love to do and we do it. But, on occasion, we get the code written by someone who is not as skilled in practices, frameworks or methodology. This can lead to a frustrating experience when adding a simple feature or trying to fix a bug. We've all seen questionable cod ... [ read more ]

Validation Information in Metadata

by Kathleen via Kathleen Dollard on 2/19/2008 2:17:00 PM

Mike asks: Just curious if your metadata also contains validation rules or not? Things like property is required or range of valid values. It could include them in three possible ways – it currently uses one and I’ve had two others working in the past that may be resurrected. The metadata that the database inherently knows is automatically transferred - this would be nulls and string length. How well nulls are handled is up to the architecture, but the metadata definitely know ... [ read more ] 4 comment(s)

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