動態產生分頁

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Web;

/// <summary>
/// 翻頁資訊字串
/// Styme
/// 2007-2-2
/// </summary>
namespace gotopage
{
    public class gotopageHtml
    {
        public gotopageHtml()
        { }
        /// <summary>
        ///
        /// </summary>
        /// <param name="AllInfo">所有資訊條數</param>
        /// <param name="PageIndex">當前頁</param>
        /// <param name="AllPage">總頁數</param>
        /// <param name="ShowNumber">每頁顯示資訊數量</param>
        /// <param name="OnclickEvent">Javascript點擊事件名(返回字元顯示的對象ID為ShowInfo)</param>
        /// <returns>鄱頁字串</returns>
        public string gotoHtml(int AllInfo, string PageIndex, int AllPage, int ShowNumber, string OnclickEvent)
        {
            string ShowIndex = "", ShowNext = "", ShowPre = "", ShowEnd = "";//是否顯示各個翻頁按鈕
            //上下頁數值
            if (int.Parse(PageIndex) < 2 || AllPage < 2)
            {
                PageIndex = "1";
                ShowIndex = "disabled='disabled'";//是否顯示首頁按鈕
                ShowPre = "disabled='disabled'";//是否顯示上一頁按鈕
            }
            if (int.Parse(PageIndex) >= AllPage)
            {
                PageIndex = AllPage.ToString();
                ShowEnd = "disabled='disabled'";//是否顯示下一頁按鈕
                ShowNext = "disabled='disabled'";//是否顯示末頁按鈕
            }
            int NextPage = int.Parse(PageIndex) + 1;//下一頁頁碼
            int PrePage = int.Parse(PageIndex) - 1;//上一頁頁碼
            //分頁資訊
            System.Text.StringBuilder sbdShowNumber = new System.Text.StringBuilder();
            sbdShowNumber.Append("<select name='ShowNumber' onchange=" + OnclickEvent + @"(document.all.GoPage.value,'ShowInfo',document.all.ShowNumber.value) >");
            switch (ShowNumber)
            {
                case 5:
                    sbdShowNumber.Append(@"<option value='5' selected='selected'>5</option>
               <option value='10'>10</option>
                <option value='20'>20</option>
                 <option value='30'>30</option>
                 <option value='40'>40</option>
                 <option value='50'>50</option>
            </select>");
                    break;
                case 10:
                    sbdShowNumber.Append(@"<option value='5'>5</option>
               <option value='10' selected='selected'>10</option>
                <option value='20'>20</option>
                 <option value='30'>30</option>
                 <option value='40'>40</option>
                 <option value='50'>50</option>
            </select>");
                    break;
                case 20:
                    sbdShowNumber.Append(@"<option value='5'>5</option>
               <option value='10'>10</option>
                <option value='20' selected='selected'>20</option>
                 <option value='30'>30</option>
                 <option value='40'>40</option>
                 <option value='50'>50</option>
            </select>");
                    break;
                case 30:
                    sbdShowNumber.Append(@"<option value='5'>5</option>
               <option value='10'>10</option>
                <option value='20'>20</option>
                 <option value='30' selected='selected'>30</option>
                 <option value='40'>40</option>
                 <option value='50'>50</option>
            </select>");
                    break;
                case 40:
                    sbdShowNumber.Append(@"<option value='5'>5</option>
               <option value='10'>10</option>
                <option value='20'>20</option>
                 <option value='30'>30</option>
                 <option value='40' selected='selected'>40</option>
                 <option value='50'>50</option>
            </select>");
                    break;
                case 50:
                    sbdShowNumber.Append(@"<option value='5'>5</option>
               <option value='10'>10</option>
                <option value='20'>20</option>
                 <option value='30'>30</option>
                 <option value='40'>40</option>
                 <option value='50' selected='selected'>50</option>
            </select>");
                    break;
                default:
                    break;
            }

            System.Text.StringBuilder sbd = new System.Text.StringBuilder();
            sbd.Append(@"<table width='100%' border='0' align='center' cellpadding='3' cellspacing='0'>
                    <tr>
                        <td>
                            <div align='right'>
                                共有<strong>" + AllInfo.ToString() + @"</strong>條資訊,   每頁顯示" + sbdShowNumber.ToString() + @"條,  共<strong>" + AllPage.ToString() + @"</strong>頁, 當前頁為第<strong>" + PageIndex + @"</strong>頁
                                <input type='button' name='Button' value='首頁' " + ShowIndex + @" class='stbtmwhite' onclick=" + OnclickEvent + @"('1','ShowInfo',document.all.ShowNumber.value) />
                                <input type='button' name='Button' value='上一頁'  " + ShowPre + @" class='stbtmwhite' onclick=" + OnclickEvent + @"('" + PrePage.ToString() + @"','ShowInfo',document.all.ShowNumber.value) />
                                <input type='button' name='Button' value='下一頁'  " + ShowNext + @" class='stbtmwhite' onclick=" + OnclickEvent + @"('" + NextPage.ToString() + @"','ShowInfo',document.all.ShowNumber.value) />
                                <input type='button' name='Button' value='末頁'  " + ShowEnd + @" class='stbtmwhite' onclick=" + OnclickEvent + @"('" + AllPage.ToString() + @"','ShowInfo',document.all.ShowNumber.value) />
                                &nbsp;&nbsp;跳轉至 第<input type='text' name='GoPage' id='GoPage' size='2' value='" + PageIndex + @"' />頁
                                <input type='button' name='Button1' value=' Go '  onclick=" + OnclickEvent + @"(document.all.GoPage.value,'ShowInfo',document.all.ShowNumber.value) />
                                </div>
                        </td>
                        <td width='20'>
                            &nbsp;</td>
                    </tr>
                </table>");

            byte[] bytes=Encoding.GetEncoding("UTF8").GetBytes(sbd.ToString());
            string rev = Encoding.GetEncoding("GB2312").GetString(bytes);
            return rev; HttpContext.Current.Request.ContentEncoding = Encoding.GetEncoding("GB2312");
        }

    }

 

}