单项选择题

A.Call the InsertCommand method of TestKingDa taAdapter.运行TestKingDataAdapter中的InsertCommand方法
B.CALL THE Update method of TestKingDataAdapter and pass in TestKingConnection.运行TestKingDataAdapter的Update方法并且通过TestKingConnection
C.Before calling the Update method,ensur ethat a row position change occurs in CustomerDataSet.在运行Upate方法,确保行位置在CustomerDataSet的改变
D.Rees tablish the database connecti on by calling the Open method of TestKingConnection.重新连接数据库通过运行TestKingConnection