March 2008
Intermediate to advanced
982 pages
22h 43m
English
Content preview from ADO.NET 3.5 Cookbook, 2nd EditionBecome 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,
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.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.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.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.
A.2. ADO.NET 3.5
ADO.NET 3.5 is the third major release of ADO.NET after ADO.NET 2.0 and was introduced together with the .NET Framework 3.5.
As a bit of background, the previous version of the .NET Framework—version 3.0—is a superset of .NET Framework version 2.0 with the addition of four major new components:
Windows Communication Framework (WCF)
Windows Presentation Framework (WPF)
Windows Workflow Foundation (WF)
Windows CardSpace (WCS)
There was no new version of ADO.NET released in .NET Framework 3.0.
This section provides an overview of new features in ADO.NET 3.5.
LINQ
Language-Integrated Query (LINQ) is a technology introduced in .NET Framework 3.5 that let you express queries directly in programming languages rather than as string literals in the application code. C# 3.0 and Visual Basic 9.0 introduce language extensions that implement LINQ—compilers for these languages ship with .NET Framework 3.5.
LINQ provides standard query and update mechanisms that can potentially support any type of data store, thereby unifying the syntax for querying any data source. LINQ creates a unified programming model for working with objects, relational data, and XML data with LINQ providers that let you access these data sources with LINQ.
- LINQ to Objects
Provides query capabilities over in-memory data collection objects that implement
IEnumerableorIEnumerable<T>including user-defined Lists, Arrays, Dictionaries, and .NET collections.- LINQ to ADO.NET
Provides query capabilities over any enumerable ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.