private void CarregarDados(int id_obra)
        {
            ItensEstoqueBL itEsBL = new ItensEstoqueBL();
            List<ItensEstoque> itensEstoque = itEsBL.PesquisarMovObraBL(id_obra);

            if (itensEstoque.Count > 0)
            {
                foreach (ItensEstoque ltItEs in itensEstoque)
                {
                    hfId.Value = ltItEs.Id.ToString();
                    hfIdItem.Value = ltItEs.ObraId.ToString();
                    txtData.Text = ltItEs.Data.ToString("dd/MM/yyyy");
                    txtQtdMin.Text = ltItEs.QtdMinima.ToString();
                    txtVlrMedio.Text = ltItEs.VlrCusto.ToString();
                    txtVlrVenda.Text = ltItEs.VlrVenda.ToString();
                    chkControlaEstoque.Checked = ltItEs.ControlaEstoque;
                    ddlStatus.SelectedValue = ltItEs.Status == true ? "A" : "I";
                }
            }
        }