public CascadingDropDownNameValue[] ObtenerListasPrecios(string knownCategoryValues, string category) { Catalogos loCatalogos = new Catalogos(); DataTable loListasPrecios = loCatalogos.ObtenerListasPrecios((Sesion)HttpContext.Current.Session["Sesion"]); return(( from DataRow loListaPrecio in loListasPrecios.Rows select new CascadingDropDownNameValue( loListaPrecio["DESCRIPCION"].ToString(), loListaPrecio["CLAVE"].ToString() ) ).ToArray()); }