using System;using System.Collections.Generic;using System.Web;using System.Data;/// <summary>///Page 的摘要说明/// </summary>public class PageList{    public PageList()    {        //        //TODO: 在此处添加构造函数逻辑        //    }    /// <summary>    /// 对DataTable进行分页,起始页为1    /// </summary>    /// <param name="dt"></param>    /// <param name="PageIndex"></param>    /// <param name="PageSize"></param>    /// <returns></returns>    public static DataTable GetPagedTable(DataTable dt, int PageIndex, int PageSize)    {        if (PageIndex == 0)            return dt;        DataTable newdt = dt.Copy();        newdt.Clear();        int rowbegin = (PageIndex - 1) * PageSize;        int rowend = PageIndex * PageSize;        if (rowbegin >= dt.Rows.Count)            return newdt;        if (rowend > dt.Rows.Count)            rowend = dt.Rows.Count;        for (int i = rowbegin; i <= rowend - 1; i++)        {            DataRow newdr = newdt.NewRow();            DataRow dr = dt.Rows[i];            foreach (DataColumn column in dt.Columns)            {                newdr[column.ColumnName] = dr[column.ColumnName];            }            newdt.Rows.Add(newdr);        }        return newdt;    }    /// <summary>    /// 获取总页数    /// </summary>    /// <param name="sumCount">结果集数量</param>    /// <param name="pageSize">页面数量</param>    /// <returns></returns>    public static int getPageCount(int sumCount, int pageSize)    {        int page = sumCount / pageSize;        if (sumCount % pageSize > 0)        {            page = page + 1;        }        return page;    }}