Jan,

When you step through SaveDataSet, does it pass the test of determining if it is of type CDataSet?

There is sample code for Chapter 10. It is called MyFirstWebApplication. You can download code for C# and VB.NET.

>Hi Cathi,
>
>I placed the breakpoint just after the first line in SaveDataSet. At that time, ds had a type of System.Data.Dataset.
>
>We've loaded the sample code, but there is no code specifically for Chapter 10 unfortunately.
>
>Sigh...