If e.DataCol.name = "单价" OrElse e.DataCol.Name = "总额" Then
If e.DataRow.IsNull("log") Then
e.DataRow("log") = Date.now & " " & user.name & " 把【" & e.DataCol.Name & "】列内容从\'" & e.OldValue & "\'修改成 \'" & e.NewValue & "\'"
Else
e.DataRow("log") &= vbcrlf & Date.now & " " & user.name & " 把【" & e.DataCol.Name & "】列内容从\'" & e.OldValue & "\'修改成 \'" & e.NewValue & "\'"
End If
End If