主题：增加行弹出问题

Dim dr As DataRow = e.DataRow
Select Case e.DataCol.Name
    Case "月份","选择"
        Dim y As Integer = cint(dr("月份").substring(0,4) )
        Dim m As Integer = cint(dr("月份").substring(4,2)  )
        Dim dt1 As New Date(y, m, 1)
        dr("开始日期") = dt1
        Dim dt2 As New Date(y, m, Date.DaysInMonth(y,m))
        dr("结束日期") =dt2