private void get_autoCS_numPedido()
        {
            try
            {
                var BL = new tb_cp_comercialcabBL();
                var BE = new tb_cp_comercialcab();
                var dt = new DataTable();
                BE.moduloid = modulo;
                BE.perianio = VariablesPublicas.perianio;
                BE.serop = ser_op.Text;
                dt = BL.GetAllNuevoNumero(EmpresaID, BE).Tables[0];
                if (dt.Rows.Count > 0)
                {
                    serdoc.Text = dt.Rows[0]["perianio"].ToString();
                    numdoc.Text = dt.Rows[0]["Cnum_cp"].ToString();

                    ser_op.Text = dt.Rows[0]["ser_op"].ToString();
                    num_op.Text = dt.Rows[0]["Cnum_op"].ToString();
                }
                else
                {
                    serdoc.Text = string.Empty;
                    numdoc.Text = string.Empty;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }