private void Gen_numReq() { try { var BL = new tb_pp_ordenservicioBL(); var BE = new tb_pp_ordenservicio(); var dt = new DataTable(); BE.dominioid = dominio.ToString(); BE.moduloid = modulo.ToString(); BE.localid = local.ToString(); BE.tipos = txt_tipos.Text.ToUpper().Trim(); BE.seros = txt_seros.Text.ToUpper().Trim(); dt = BL.GetAll_NUM(EmpresaID, BE).Tables[0]; if (dt.Rows.Count > 0) { txt_numos.Text = dt.Rows[0]["numordserv"].ToString(); } else { MessageBox.Show("Asignar la Accion del Documento", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } catch (Exception ex) { MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } }