January 2003
Beginner
696 pages
16h 38m
English
Content preview from Sams Teach Yourself Visual Studio® .NET 2003 in 21 DaysBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Understanding Databinding
In Visual Basic 6, the RecordSet object gives you the ability to bind data from a database to text boxes, data grids, and labels. The RecordSet keeps track of the positioning through its event model. You simply call methods such as MoveFirst, MoveNext, MovePrevious, and MoveLast to navigate records in the RecordSet, and the RecordSet magically handles it for you.
In .NET, the DataSet binds its data to controls. Because the DataSet is simply a container of data, it has no knowledge of positioning. To implement code like MoveFirst and MoveNext, you must set up a BindingContext for the controls that are being databound. .NET uses the inherited CurrencyManager class to internally handle the navigation within the BindingContext ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.