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Programming Microsoft® ADO.NET 2.0 Applications: Advanced Topics by Glenn Johnson

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Chapter 14. Working with Large Objects (LOBs, BLOBs, and CLOBs)

When you work with data, one challenge you might face is moving large objects between the client application and the database server. In some scenarios, you might be able to treat large-object data just like any other data, but in many cases you might be forced to look at alternative approaches.

Chapter 7 and Chapter 8 both contain an example of reading employee photos from the Northwind database and displaying a photo in a Windows DataGridView or Web GridView control. These chapters include sample code for storing the photo to disk, as well as uploading a photo from a disk file to the database. These samples function properly with the small photos in the database, but if the photos ...

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