procedure TForm1.FormShow(Sender: TObject);
begin
DBComboBox1.DataSource := DataSource1;
DataSource1.DataSet := ADOQuery1;
...
ADOQuery1.SQL.Add('select * from tablename');
ADOQuery1.Open;
DBComboBox1.DataField := 'name';
DBComboBox1.Refresh;
end;
begin
DBComboBox1.DataSource := DataSource1;
DataSource1.DataSet := ADOQuery1;
...
ADOQuery1.SQL.Add('select * from tablename');
ADOQuery1.Open;
DBComboBox1.DataField := 'name';
DBComboBox1.Refresh;
end;
begin
with dm.ADOQuery1 do
begin
dm.adoquery1.Close ;
dm.adoquery1.Open ;
while not dm.adoquery1.Eof do
begin
ComboBox1.Items.Add(dm.adoquery1.FieldByName('用户名').AsString);
dm.adoquery1.Next;
end;
end;
end;