private void data_Tablaarticulo()
        {
            try
            {
                if (Tablaarticulo.Rows.Count > 0)
                {
                    Tablaarticulo.Rows.Clear();
                }

                var BL = new tb_pt_articuloBL();
                var BE = new tb_pt_articulo();

                BE.articname = txt_criterio.Text.Trim().ToUpper();

                Tablaarticulo = BL.GetAll2(EmpresaID, BE).Tables[0];
                if (Tablaarticulo.Rows.Count > 0)
                {
                    btn_imprimir.Enabled = true;
                    mdi_gridarticulo.DataSource = Tablaarticulo;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }