泛型分页类

goole找的。

using System;
using System.Collections.Generic;
using System.Text;

namespace web.PageBase
{
    public class PagedList<T> : List<T>
    {

           /**//// <summary>
        /// 分页编号
        /// </summary>
        public int PageIndex { get; set; }
 
        /**//// <summary>
        /// 分页大小
       /// </summary>
       public int PageSize { get; set; }

       /**//// <summary>
       /// 元素总共数目
       /// </summary>
       public int TotalCount { get; set; }

       /**//// <summary>
       /// 页数
       /// </summary>
       public int PageCount { get; set; }

       /**//// <summary>
       /// 构造函数
       /// </summary>
       /// <param name="list">链表</param>
       /// <param name="intPageIndex">编号</param>
       /// <param name="intPageSize">大小</param>
       public PagedList(List<T> list, int intPageIndex, int intPageSize)
       {
           PageIndex = intPageIndex;
           PageSize = intPageSize;

           GetPagedList(list);
       }

       /**//// <summary>
       /// 转为为分页
       /// </summary>
       /// <param name="list">链表</param>
       private void GetPagedList(List<T> list)
       {
           int intStart = (PageIndex - 1) * PageSize;

           for (int i = intStart; i < intStart + PageSize && i < list.Count; i++ )
           {
               this.Add(list[i]);
           }

           TotalCount = list.Count;
           PageCount = TotalCount / PageSize + 1;
       }

    }

    public static class PagedListExpansion
    {
        public static PagedList<T> ToPagedList<T>(this List<T> list, int intPageIndex, int intPageSize)
        {
            return new PagedList<T>(list, intPageIndex, intPageSize);
        }
    }


}