public static IEnumerable <IProductState> GetByProperty <TPropertyType>(this IProductApplicationService applicationService, System.Linq.Expressions.Expression <Func <IProductState, TPropertyType> > propertySelector, TPropertyType propertyValue, IList <string> orders = null, int firstResult = 0, int maxResults = int.MaxValue) { return(applicationService.GetByProperty(ReflectUtils.GetPropertyName <IProductState, TPropertyType>(propertySelector), propertyValue, orders, firstResult, maxResults)); }