unit Unit3;interfaceuses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ComCtrls, Db, ADODB;type
TForm1 = class(TForm)
TreeView1: TTreeView;
ADOConnection1: TADOConnection;
ADODataSet1: TADODataSet;
ADODataSet1name: TWideStringField;
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.DFM}procedure TForm1.FormCreate(Sender: TObject);
var
temnode,childnode:TTreeNode;
i,j:integer;
begin
TreeView1.Items.Clear;
temnode:=TreeView1.Items.Add(TreeView1.Selected,PChar('长城公司'));for i:=1 to adodataset1.recordcount do
begin
TreeView1.Items.AddChild(temnode,adodataset1.FieldValues['name']);
adodataset1.next;
end;
if adodataset1.Eof then
begin
exit;
end;
end;
end.
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ComCtrls, Db, ADODB;type
TForm1 = class(TForm)
TreeView1: TTreeView;
ADOConnection1: TADOConnection;
ADODataSet1: TADODataSet;
ADODataSet1name: TWideStringField;
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.DFM}procedure TForm1.FormCreate(Sender: TObject);
var
temnode,childnode:TTreeNode;
i,j:integer;
begin
TreeView1.Items.Clear;
temnode:=TreeView1.Items.Add(TreeView1.Selected,PChar('长城公司'));for i:=1 to adodataset1.recordcount do
begin
TreeView1.Items.AddChild(temnode,adodataset1.FieldValues['name']);
adodataset1.next;
end;
if adodataset1.Eof then
begin
exit;
end;
end;
end.
不过这句感觉用的不是很好:
for i:=1 to adodataset1.recordcount do
建议用
adodataset1.first;
while not adodataset1.eof do
....