c#分页工具类，完美实现List分页

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;



namespace ProjectProgress.BLL

{

    /// <summary>

    /// 分页工具类

    /// </summary>

    /// <typeparam name="T"></typeparam>

    public class PagingUtil<T> : List<T>

    {

        public int DataCount { get; set; } //总记录数

        public int PageCount { get; set; } //总页数

        public int PageNo { get; set; } //当前页码

        public int PageSize { get; set; } //每页显示记录数

        //是否有上一页

        public bool HasPreviousPage

        {

            get { return PageNo > 1; }

        }



        //是否有下一页

        public bool HasNextPage

        {

            get { return PageNo < this.PageCount; }

        }



        /// <summary>

        /// 构造方法

        /// </summary>

        /// <param name="dataList"></param>

        /// <param name="pageSize"></param>

        /// <param name="pageNo"></param>

        public PagingUtil(List<T> dataList, int pageSize, int pageNo)

        {

            this.PageSize = pageSize;

            this.PageNo = pageNo;

            this.DataCount = dataList.Count;

            this.PageCount = (int) Math.Ceiling((decimal) this.DataCount/pageSize);

            this.AddRange(dataList.Skip((pageNo - 1)*pageSize).Take(pageSize));

        }

    }



}