表记录如何增加到comboBox->Items /DBG2->Columns->Items[5]->PickList

/*Ckgll->Close();
Ckgll->CommandText="SELECT TOP 100 * FROM kgll ORDER BY RKDH DESC ";
Ckgll->Open();

Ccx->Close();
Ccx->CommandText="SELECT DISTINCT USERNAME FROM kgll ORDER BY USERNAME ";
Ccx->Open();
ComboBox1->Items->Clear();
while(!Ccx->Eof)
{
ComboBox1->Items->Add(Ccx->FieldByName(“USERNAME”)->AsString);
Ccx->Next();
}
Ccx->Close();
Ccx->CommandText="SELECT kfbh FROM kfzl ORDER BY kfbh ";
Ccx->Open();
ComboBox2->Items->Clear();
while(!Ccx->Eof)
{
ComboBox2->Items->Add(Ccx->FieldByName(“kfbh”)->AsString);
Ccx->Next();
}
Ct->Close();
Ct->CommandText=“select DWC from dw”;
Ct->Open();
while(!Ct->Eof){
DBG2->Columns->Items[5]->PickList->Add(Ct->FieldByName(“DWC”)->AsString);
Ct->Next();
}
*/
//DBG2->SetFocus();