December 2004
Intermediate to advanced
1008 pages
21h 40m
English
Content preview from Microsoft® Visual C#® .NET 2003 UnleashedBecome 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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Implementing a Custom Connection
A connection is an abstraction of a physical link between the data provider and the source of the data itself. In most cases, that means a network connection between the client application code and the database server code (such as a TCP/IP connection on port 1560 for SQL Server, and the like).
In the case of this sample remote data provider, the connection is an implied or logical connection rather than a physical connection. As you know, HTTP is a stateless protocol. When you request information from a web server, the connection is opened at the time of the request, not ahead of time as with database connections.
For this reason, the connection being implemented is just a storage place for the connection string, ...
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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.
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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.