一、.ascx页面

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="Pagination.ascx.cs" Inherits="IOCS.WEB.UserControl.Pagination" %>


    記錄總數：
    總頁數：
    當前頁：
        
        
        
        
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二、.ascx.cs文件

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;
namespace IOCS.WEB.UserControl{    public partial class Pagination : System.Web.UI.UserControl    {        public event EventHandler PageButtonClick;        public bool FirstPost = false;        protected void Page_Load(object sender, EventArgs e)        {            if (!IsPostBack)            {              
            }            // 只輸入數字            txtpage.Attributes.Add("onclick",                @"if(!((event.keyCode>=48&&event.keyCode<=57)                    ||(event.keyCode>=96&&event.keyCode<=105)                    ||(event.keyCode==8)))event.returnValue=false;"              );
        }        GridView _gv;
        /// 
        /// 需要分頁的GridView        /// 
        public GridView TargetControlID        {            set            {                _gv = value;            }            get            {                return _gv;            }        }
        protected void PagerButtonClick(object sender, EventArgs e)        {            //獲得linkebutton的參數值            string arg = ((LinkButton)sender).CommandArgument;            switch (arg)            {                case ("next"):                    {                        if (_gv.PageIndex < _gv.PageCount - 1)                        {                            _gv.PageIndex=_gv.PageIndex+1;                        }                        break;                    }                case ("prev"):                    {                        if (_gv.PageIndex > 0)                        {                            _gv.PageIndex--;                        }                        break;                    }                case ("first"):                    {                        _gv.PageIndex = 0;                        break;                    }                case ("last"):                    {                        if (_gv.PageCount > 0)                        {                            _gv.PageIndex = _gv.PageCount - 1;                        }                        break;                    }
                default:                    {                        _gv.PageIndex = Convert.ToInt32(arg);                        break;                    }            }            PageButtonClick(sender, e);
        }
        
        public void SetPageButton()        {            if (_gv.PageIndex == 0)            {                LinkFirst.Enabled = false;                LinkPrevious.Enabled = false;
                LinkFirst.Style["color"] = "gray";                LinkPrevious.Style["color"] = "gray";
                object s = LinkFirst.Style.Keys;                if (_gv.PageCount > 1)                {                    LinkNext.Enabled = true;                    LinkLast.Enabled = true;                    txtpage.Enabled = true;                    txtpage.Enabled = true;                    LinkNext.Style["color"] = "#000";                    LinkLast.Style["color"] = "#000";                    txtpage.Style["readonly"] = "false";                }                else                {                    LinkNext.Enabled = false;                    LinkLast.Enabled = false;                    txtpage.Enabled = false;                    LinkNext.Style["color"] = "gray";                    LinkLast.Style["color"] = "gray";                    txtpage.Style["readonly"] = "true";//background-color                }            }            else if (_gv.PageIndex == _gv.PageCount - 1)            {                LinkFirst.Enabled = true;                LinkPrevious.Enabled = true;                LinkNext.Enabled = false;                LinkLast.Enabled = false;                LinkFirst.Style["color"] = "#000";                LinkPrevious.Style["color"] = "#000";                LinkNext.Style["color"] = "gray";                LinkLast.Style["color"] = "gray";            }            else            {                LinkFirst.Enabled = true;                LinkPrevious.Enabled = true;                LinkNext.Enabled = true;                LinkLast.Enabled = true;                LinkFirst.Style["color"] = "#000";                LinkPrevious.Style["color"] = "#000";                LinkNext.Style["color"] = "#000";                LinkLast.Style["color"] = "#000";            }        }
        /// 
        /// 設定頁面信息        /// 
        /// DataSet的紀錄總數
        public void SetPageRecord(int dsCount)        {            LRecords.Text = dsCount.ToString();             int mod= dsCount%_gv.PageSize;            LPages.Text = (mod == 0 ? dsCount / _gv.PageSize : dsCount / _gv.PageSize + 1).ToString();            LPage.Text = (_gv.PageIndex + 1).ToString();            tbPage.Visible = true;            SetPageButton();        }
        protected void txtpage_TextChanged(object sender, EventArgs e)        {            if (txtpage.Text != "")            {                try                {                    int index = int.Parse(txtpage.Text.Trim());                    if (index <= _gv.PageCount && index >= 1)                    {                        _gv.PageIndex = index - 1;                    }                    else                    {                        Page.ClientScript.RegisterStartupScript(this.GetType(), "Script", "alert('對不起，頁數超過索引范圍!');");                    }                }                catch                {
                    Page.ClientScript.RegisterStartupScript(this.GetType(), "Script", "alert('對不起，只能輸入數字!');");                }            }            PageButtonClick(sender, e);        }    }}