public void GetListTest()
        {
            bool paso = false;

            List <Proveedores> lista = ProveedorBLL.GetList(l => true);

            if (lista != null)
            {
                paso = true;
            }

            Assert.AreEqual(paso, true);
        }
        private void xfProveedor_Load(object sender, EventArgs e)
        {
            ProveedorBLL method = new ProveedorBLL();

            gridControl1.DataSource = method.GetList(IdProduct);
        }