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);
            }
        }