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Tuesday, April 17, 2007 @ 6:30 pm

Extending the ObjectDataSource

Bruce Johnson, ObjectSharp Consulting

One of the more interesting additions to ASP.NET 2.0 is the ObjectDataSource control. Not simply because it allows object of almost any type to be used as the source for binding to the controls on a form. But also because it can be easily extended to fit into a more complete framework. A framework where validation defined on the class can be integrated into the web page. Where the business rules implemented in the class are automatically invoked when the web form is submitted. And where any errors raised through this process can be propagated back to the web page.

And that is the the purpose of this session. To demonstrate how to extend ObjectDataSource to incorporate both field and class-level validation. To show how error messages can be integrated with the typical controls. To provide a reference application that you can use to implemement this functionality in your own applications.

For more information check out the TVBUG website.

Posted on Tuesday, April 17, 2007 4:26 AM Toronto Visual Basic | Back to top

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