ted. [5197] Return Value: The number of rows affected. [5198] You can use the System.Data.IDbCommand.ExecuteNonQuery to perform catalog operations (for example, querying the structure of a database or creating database objects such as tables), or to change the data in a database without using a System.Data.DataSet by executing UPDATE, INSERT, or DELETE statements. [5199] ExecuteReader [5200] [C#]