Data Source Controls in ASP.NET 2.0
The 4 Guys from Rolla continue to publish some excellent hands-on tutorials about ASP.NET, one of the most recent details how to handle the editing of NULL values in a GridView. If you've ever had a database table editor app where you need to let the user set a column's value to NULL, check this one out:
http://aspnet.4guysfromrolla.com/articles/112807-1.aspx
This is the latest in a series of articles from Scott Mitchell on the 2.0 Data Source Controls. There's a link to the rest of the articles at the top of the page, or you can subscribe to the RSS here:
http://aspnet.4guysfromrolla.com/rss/dataSourceControls.xml