TTreeView&Table

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Demon[DZ] (2002-02-07 11:16) [0]

Privet vsem!
Moj vopros mozhet pokazatsja lamerskim:)
No vsjozhe, kak svjazat" tablicu "N_Group" s komponentom TTreeView?
Tablica N_Group sostoit:
ID ParentID Name

V pole "ParentID" hranitsja :
"null"- esli eta zapis" javljaetsja nazvaniem gruppi;
ljuboe zna4enie - esli eta zapis" javljaetsja podgruppoj;
Eto znachenie ravno znacheniju "ID" gruppi;

ID ParentID Name
1 null Group1 -Group1
2 null Group2 +Group2
3 1 SubGroup1 +SubGroup1
4 3 SubGroup2 -SubGroup2
5 3 SubGroup3 -SubGroup3

Pomogite kto mozhet, ili gde hotjabi dostat" horoshuju infu s primerami.
Zaranee Blagodaren!

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Demon[DZ] (2002-02-07 11:20) [1]

oj nebol"shaja ope4atka:)

ID ParentID Name
1 null Group1 -Group1
2 null Group2 +Group2
3 2 SubGroup1 +SubGroup1
4 3 SubGroup2 -SubGroup2
5 3 SubGroup3 -SubGroup3

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Demon[DZ] (2002-02-07 12:34) [2]

Vidimo dejstvitel"no lamerskij vopros, 4to nokto neho4et mne pomoch:(
Ladno budu dal"she s etim komponentom tr........sja

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yaJohn © (2002-02-07 13:11) [3]

procedure TForm1.Button1Click(Sender: TObject); var i: integer; Node: TTreeNode; begin TreeView1.Items.Clear; Query1.First; while not Query1.Eof do begin Node:=nil; for i:=0 to TreeView1.Items.Count-1 do //takoy poisk krayne neefektiven :( Nujno svoy dumat" if TreeView1.Items[i].Data=pointer(Query1.FieldByName("ParentID").asInteger) then Node:=TreeView1.Items[i]; TreeView1.Items.AddChildFirst(Node,Query1.FieldByName("NAME").asString).Data:=pointer(Query1.FieldByName("ID").asInteger); Query1.Next; end; end;
Kak eskiz...

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Demon[DZ] (2002-02-07 13:56) [4]

yaJohn Spasibooooooooooo!
Rabotaet, Thanks!:)

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