find relation in dataset with c#
i`m programming with c# and sqlserver 2000,
i have DATASET that contain all the tables and the relations between theirs.
be given any column(supoose c1) in any table(supoose t1) in the DATASET, how can i know the child/parent column of this known column(c1)?
or how can i know the parent/child table of this known column(c1)/table(t1)???
i want to emphasise, i have all the relation in the dataset already!!!!!!
thanking you in advance