如何在TcxGrid中的值更改后触发事件处理程序？

I've got a DevExpress TcxGrid, with an event handler attached to its GridView's OnEditValueChanged event that's supposed to summarize some data in one of the columns. Problem is, this event gets fired during validation, before the updated value has been written to the underlying dataset. I'm not too familiar with the TcxGrid. Does anyone know if there's a way to fire an event handler I've got a DevExpress TcxGrid, with an event ha