CHAPTER 22 ADO.NET PART II: THE DISCONNECTED LAYER
record row to the table in memory, FindByCarID() lets you do a lookup based on the primary key of the
table, and RemoveInventoryRow() lets you remove a row from the strongly typed table (see Figure 22-21).
Figure 22-21. The strongly typed DataTable is nested in the strongly typed DataSet
Examining the Strongly Typed DataRow
The strongly typed DataRow class, which is also nested in the strongly typed DataSet, extends the DataRow
class and exposes properties that map directly to the schema of the Inventory table. Also, the data
designer tool has created a method (IsPetNameNull()) that will perform a check on whether this column
has a value (see Figure 22-22).
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