private void estacion_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                var numdo = string.Empty;
                if (estacion.Text.Trim().Length > 0)
                {
                    numdo = estacion.Text.Trim().PadLeft(3, '0');
                }
                estacion.Text = numdo;
                var BL = new tb_60productosBL();
                var BE = new tb_60productos();
                var dt = new DataTable();

                BE.moduloid = modulo.ToString();
                BE.cencosid = cencosid.Text.Trim() + estacion.Text.Trim();
                dt = BL.GenCodigo(EmpresaID, BE).Tables[0];

                item.Text = dt.Rows[0]["item"].ToString().PadLeft(3, '0');

                var BL2 = new tb_co_persona_cencosBL();
                var BE2 = new tb_co_persona_cencosBE();

                BE2.cencosid = cencosid.Text.ToString();
                BE2.cencosestacion = estacion.Text.ToString();
                var dt2 = new DataTable();
                dt2 = BL2.GetAll(EmpresaID, BE2).Tables[0];

                if (dt2.Rows.Count > 0)
                {
                    lblnombre.Text = dt2.Rows[0]["nombrelargo"].ToString();
                }
                else
                {
                    lblnombre.Text = string.Empty;
                }
                productid.Focus();
            }
        }
        private void GenProductidOLD()
        {
            var BL = new tb_60productosBL();
            var BE = new tb_60productos();
            var dt = new DataTable();

            BE.moduloid = modulo.ToString();
            BE.cencosid = cencosid.Text.Trim() + estacion.Text.Trim();
            dt = BL.GenCodigo(EmpresaID, BE).Tables[0];

            dt.Rows[0]["item"].ToString().PadLeft(3, '0');

            foreach (DataGridViewRow fila in griddetallemov.Rows)
            {
                griddetallemov.Rows[fila.Index].Cells["productid"].Value.ToString();
            }
        }
        private void btn_agregar_Click(object sender, EventArgs e)
        {
            productid.Text = string.Empty;
            productname.Text = string.Empty;

            var BL = new tb_60productosBL();
            var BE = new tb_60productos();
            var dt = new DataTable();

            BE.moduloid = modulo.ToString();
            BE.cencosid = cencosid.Text.Trim() + estacion.Text.Trim();
            dt = BL.GenCodigo(EmpresaID, BE).Tables[0];

            item.Text = dt.Rows[0]["item"].ToString().PadLeft(3, '0');

            ssModo = "NEW";
            btn_grabar.Enabled = true;
            productid.Focus();
        }