May 2002
Beginner
408 pages
9h 10m
English
Content preview from Sams Teach Yourself ADO.NET in 24 Hours
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The System.Data Namespace
The System.Data namespace contains most of ADO.NET's base objects, or the objects upon which ADO.NET relies to represent data retrieved from the data source. It also contains various supporting objects, such as many of the various ADO.NET exceptions (specific errors). Figure 1.3 shows how the various ADO.NET objects interrelate.
Figure 1.3. The ADO.NET object model is hierarchical.
The DataSet
The DataSet object is the parent object to most of the other objects in the System.Data namespace. Its primary role is to store a collection of DataTables, and the relations and constraints between those DataTables. The DataSet
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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.