datacolchanged事件。
If e.DataCol.Name = "公司产品图号"
If e.NewValue = Nothing Then
e.DataRow("产品型号") = Nothing
e.DataRow("压力") = Nothing
e.DataRow("口径") = Nothing
Else
Dim chrs() As Char = {"-", " "}
Dim ary() As String = e.NewValue.split(chrs)
e.DataRow("产品型号") = ary(0)
e.DataRow("压力") = ary(1)
e.DataRow("口径") = ary(2)
End If
End If