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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Connecting to a Database
To work with any database, the first thing you must do is connect to it. In ADO.NET, you use the Connection object to connect to a database. When accessing SQL Server, the SqlConnection class of the System.Data.SqlClient namespace contains the connection object that you use to connect to a SQL Server database. The OleDbConnection class of the System.Data.OleDb namespace contains the connection object for OLE DB data sources.
When connecting to a database, you must specify the server that the database resides on, the database name, and the authentication information for the database. There are several variations of the connection string, so you might see different syntax based on who wrote the connection string code and ...
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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.