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  • linq分页扩展(转)

    原文地址:http://www.cnblogs.com/RainbowInTheSky/p/4590508.html

         public static List<T> ToPagedList<T>(this IEnumerable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, int>> keySelector)
            {
                var itemList = allItems.Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
            public static List<T> ToPagedList<T>(this IEnumerable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, bool>> keySelector)
            {
                var itemList = allItems.Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
            public static List<T> ToPagedList<T>(this IEnumerable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, string>> keySelector)
            {
                var itemList = allItems.Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
            public static List<T> ToPagedList<T>(this IEnumerable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, DateTime>> keySelector)
            {
                var itemList = allItems.Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
            public static List<T> ToPagedList<T>(this IQueryable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, int>> keySelector)
            {
                var itemList = allItems.OrderBy(keySelector).Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
            public static List<T> ToPagedList<T>(this IQueryable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, bool>> keySelector)
            {
                var itemList = allItems.OrderBy(keySelector).Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
            public static List<T> ToPagedList<T>(this IQueryable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, string>> keySelector)
            {
                var itemList = allItems.OrderBy(keySelector).Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
            public static List<T> ToPagedList<T>(this IQueryable<T> allItems, int pageIndex, int pageSize, Expression<Func<T, DateTime>> keySelector)
            {
                var itemList = allItems.OrderBy(keySelector).Skip(pageSize * (pageIndex - 1)).Take(pageSize).ToList();
                return itemList;
            }
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  • 原文地址:https://www.cnblogs.com/wangjunwei/p/4601458.html
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