
414 Chapter 9 • Using ADO.NET
System.Data.SQLTypes Provides classes for data types specific to Microsoft
SQL Server. These classes are designed specifically
for SQL Server and provide better performance. If
we do not use these specifically, the SQLClient
objects will do it for us, but may result in loss of
precision or type conversion errors.
System.Data.ODBC This namespace is intended to work with all
compliant ODBC drivers, and is available as a
separate download from Microsoft.
The Command, Connection, DataReader, and DataAdapter are the core
objects in ADO.NET.They form the basis for all operations regarding data in
.NET.These objects are created ...