Código Delphi [-] Query2.Close; Query2.SQL.Text:='SELECT SUM(costo) AS monto FROM mi_tabla'; Query2.ExecSQL; LMonto.Caption:=Query2.Fields[0].AsString;
Query2.Close; Query2.SQL.Text:='SELECT SUM(costo) AS monto FROM mi_tabla'; Query2.ExecSQL; LMonto.Caption:=Query2.Fields[0].AsString;