Skip to Content
ADO.NET Programming in Visual Basic™ .NET
book

ADO.NET Programming in Visual Basic™ .NET

by Steve Holzner, Bob Howell
December 2002
Beginner to intermediate
432 pages
10h 10m
English
Pearson
Content preview from ADO.NET Programming in Visual Basic™ .NET

Typed and Untyped DataSets

As promised, we will explain the difference between typed and untyped DataSets. Another way of saying typed and untyped is to say strongly typed and weakly typed, terminology I prefer because it more aptly describes what is going on. The terms are used interchangeably in Microsoft documentation.

Basically:

  • Typed (strongly typed) means the programming language strictly enforces data types. Visual Basic is an example of a strongly typed language.

  • Untyped (weakly typed) means you can assign any variable to any other variable. C is an example of a weakly typed language.

In C you can pretty much assign any variable to any other variable without the compiler complaining, no matter the data types of the variables.

For example, ...

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

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Visual Basic® .NET Power Coding

Visual Basic® .NET Power Coding

Paul Kimmel

Publisher Resources

ISBN: 0131018817Purchase book