这个红色的地方,不能判断drs88(0)("保密号")为空值吗? Post By:2015/6/16 13:03:00 [显示全部帖子]
For Each ary88() As String In DataTables("考试数据表").GetValues("试卷号|教室|保密号") Dim drs88 As List(Of DataRow) = DataTables("考试数据表").Select("试卷号 = '" & ary88(0) & "' and 教室 = '" & ary88(1) & "' and 保密号 = '" & ary88(2) & "'", "试卷号") If drs88.Count>0 Then If drs88(0)("保密号") Is "" Then