Sams Teach Yourself ADO.NET in 24 Hours

Hour 13

Quiz Answers

1:	What is the Catch block used for? Processing error conditions Else processing Common processing
A1:	a. Processing error conditions from a Try block. Any exception in the Try block will transfer control to the Catch block for determination.
2:	True or false: ADO.NET cannot tell you if you have any errors indicated in a DataSet.
A2:	False. If utilized, this capability can retain errors on each row in the dataset.
3:	True or false: Always close a connection in the Finally block.
A3:	True. In general, it is good practice to close a connection. Doing so in a Finally block is good practice if the open connection was in the corresponding Try block.
4:	You can set errors in a DataSet at what level? DataTable level DataRow level Column level ...