Online look up in R/3

I would like to "Online" look up some vales in R/3. It could for example be done in validations. What I am looking for is if I am going to set deletion mark on an article I must check that there are no orders or stock on the article. This should be possible to do in a validation. Do anyone have a solution for this?

John-Kjell

Message was edited by: John-Kjell Hoset