Am Sonntag, 6. Januar 2008 00:49 schrieb Adam Tauno Williams: > When using a TreeView to display data from an RDBMC I think it is much > more common that the subordinate entries are the result of a foreign key > relation (join or secondary select). > This is what I have in fact sketched here. Typically, when you have a hierarchy of categories, you would add an FK column pointing to the PK column in the same table.
Regards Jacek Rużyczka
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