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));        }    }}