主题：代码问题求帮助！

Dim d As Date = e.DataRow("参加工作时间")
Dim y As Integer = d.year
If format(d, "MMdd") <= Format(Date.Today, "MMdd") Then
    y = Date.Today.Year - y
Else
    y = Date.Today.Year - y -1
End If
If e.DataRow("原技术资格等级") = Nothing AndAlso y >= 12 Then
    e.DataRow("是否合格") = True
Else
    e.DataRow("是否合格") = False
End If