May 2002
Beginner
408 pages
9h 10m
English
Content preview from Sams Teach Yourself ADO.NET in 24 HoursBecome 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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Hour 7. Modifying Database Data
As you saw in the preceding hour, the Command object is used in conjunction with the DataAdapter object to retrieve records from your data source and place them into a DataSet, which can then be displayed or manipulated. However, suppose you want to insert data, delete data, or perform any other valid action on the database that doesn't return any records. For this, you can use the ExecuteNonQuery() method of the Command object.
The ExecuteNonQuery() method executes a SQL statement against your data source. In this hour you'll see how to apply the SQL statements from Hour 3, “Using T-SQL: A Crash Course,” to
Insert new data into the database
Delete data from the database
Modify data in the database
The examples in ...
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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.