回复:(有点色)Dim lsb As DataTable = DataTables(... Post By:2017/3/10 21:36:00 [只看该作者]
请问下下面这段代码是什么意思,不能理解,麻烦解惑
Dim filter As String = "1=1" If rq1 <> Nothing Then filter &= " and [首次检测_检测日期] >= #" & rq1 & "#" End If If rq2 <> Nothing Then filter &= " And [首次检测_检测日期] <= #" & rq2 & "#" End If