Thank you very much!,

Concerning the third question. I tought that the child table would be filtered automatically. Why the should I relate my tables? I mean, I could simply use a dataview based on the active row (key) of the parent table. The only advantage I can see would be to insert the child rows into an array. But, since I already have thos rows, I see this process as being overhead processing compared to the dataview.

Thank's again,
Christian