consultar() public method

public consultar ( ) : DataSet
return System.Data.DataSet
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!Page.IsPostBack)
            {
                Marca objMarca = new Marca();
                lista = objMarca.consultar();

                if (lista != null)
                {
                    gdvMarca.DataSource = lista;
                    gdvMarca.DataMember = "Tabela";
                    gdvMarca.DataBind();
                }
            }
        }