DataSet,OleDbConnection 等对象创建后,退出时要不销毁的??
如:
Dim myCommand As OleDbCommand = New OleDbCommand()
Dim str As String = "Delete * From Project where ID = " & i.ToString
OleDbConnection1.Open()
myCommand = New OleDbCommand(str, OleDbConnection1)
myCommand.ExecuteNonQuery()
myCommand要不要在程序中销毁的,如有可能请讲一下,VB.net的销毁原理,谢谢