请教各位大侠这段代码的意思,请帮忙解释下每条代码
If DataEnv1.rsCommand1.State = adStateOpen ThenDataEnv1.rsCommand1.Close
End If
DataEnv1.rsCommand1.Open printstr
If DataEnv1.rsCommand1.EOF = True Then
sssss = MsgBox("没有当前记录!", vbOKOnly + vbExclamation, "警告")
Exit Sub
End If
DataReportclass.Show 1
Case "all"
If DataEnv1.rsCommand1.State = adStateOpen Then
DataEnv1.rsCommand1.Close
End If
DataEnv1.rsCommand1.Open ("select xj.学号,xj.姓名,xj.性别,xj.班级,xj.出生年月,xj.家庭住址,xj.邮政编码,xj.联系电话,xj.入学时间,xj.备注,class.专业 from xj inner join class on xj.班级=class.班级")
If DataEnv1.rsCommand1.EOF = True Then
sssss = MsgBox("没有当前记录!", vbOKOnly + vbExclamation, "警告")
Exit Sub
End If
DataReportclass.Show 1
可不可以帮忙解释下这几个语句,谢谢啊
帮忙逐字解释下这段代码 谢谢