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废话少说源码写的时候思路很乱还有在整理希望多提意见。

using System;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Text.RegularExpressions;
using System.Data;
namespace PagerControls
{//首先解释一下这个类的继承规则，System.Web.UI.WebControls.WebControl就不说了；IPostBackEventHandler这个接口是用于点击翻页按钮时进行回发的。    public class DataPaging : System.Web.UI.WebControls.WebControl, IPostBackEventHandler{//定义翻页的按钮和相关标签        #region 子控件private System.Web.UI.WebControls.LinkButton Upbtn = new LinkButton();private System.Web.UI.WebControls.LinkButton NextBtn = new LinkButton();private System.Web.UI.WebControls.LinkButton Fristbtn = new LinkButton();private System.Web.UI.WebControls.LinkButton LastBtn = new LinkButton();private System.Web.UI.WebControls.Button GoBtn = new Button();private System.Web.UI.WebControls.TextBox LblSumPagestxt = new TextBox();private System.Web.UI.WebControls.Label LblPageInfo = new Label();//private System.Web.UI.WebControls.Label LblPageIndexstxt = new Label();//private System.Web.UI.WebControls.Label LblSumPages = new Label();//private System.Web.UI.WebControls.Label LblPageIndexs = new Label();
        #endregion//这个是用于外部设置的开发属性        #region 控件属性[Bindable(true)][Category("分页属性区")][Browsable(true)][Description("每页显示记录数")][DefaultValue("5")]public int PageSizes{get { return ViewState["PageSizes"] == null ? 5 : int.Parse(ViewState["PageSizes"].ToString()); }set { ViewState["PageSizes"] = value; }}[Bindable(true)][Category("分页属性区")][Browsable(true)][Description("DataTable数据集")]public DataTable DataSource{get { return ViewState["DataSource"] != null ? (DataTable)ViewState["DataSource"] : null; }set { ViewState["DataSource"] = value; }}private int PageIndexs{get{object o = ViewState["PageIndexs"];return o == null ? 0 : Convert.ToInt32(o);}set{ViewState["PageIndexs"] = value;}}private int SumPages{get{object o = ViewState["SumPages"];return o == null ? 0 : Convert.ToInt32(o);}set{ViewState["SumPages"] = value;}}        #endregion//这里面的委托方式我就用到了一个PagingClickHandler用于回调的         #region 委托public delegate void PagingClickHandler(object sender, EventArgs e);public delegate void UpbtnClickHandler(object sender, EventArgs e);public delegate void NextBtnClickHandler(object sender, EventArgs e);public delegate void FristbtnClickHandler(object sender, EventArgs e);public delegate void LastBtnClickHandler(object sender, EventArgs e);
        #endregion        #region 事件//用于回调的到页面的分页事件        public event PagingClickHandler PagingClick;protected virtual void OnPagingClick(object sender, EventArgs e){if (PagingClick != null){PagingClick(sender, e);}}//分页的按钮事件        protected virtual void FristbtnClick(object sender, EventArgs e){if (PagingClick != null){PageIndexs = 1;this.OnPagingClick(GetPagedTable(DataSource, PageIndexs, PageSizes), e);}}protected virtual void LastBtnClick(object sender, EventArgs e){if (PagingClick != null){PageIndexs = SumPages;this.OnPagingClick(GetPagedTable(DataSource, PageIndexs, PageSizes), e);}}//public event UpbtnClickHandler UpbtnClick;protected virtual void OnUpbtnClick(object sender, EventArgs e){if (PagingClick != null){if (PageIndexs - 1 >= 1){PageIndexs--;this.OnPagingClick(GetPagedTable(DataSource, PageIndexs, PageSizes), e);}}}//public event NextBtnClickHandler NextbtnClick;protected virtual void OnNextbtnClick(object sender, EventArgs e){if (PagingClick != null){if (PageIndexs + 1 <= SumPages){PageIndexs++;this.OnPagingClick(GetPagedTable(DataSource, PageIndexs, PageSizes), e);}}}        #endregion        #region 分页函数public 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;}public int PageCount(int count, int pageye){int page = 0;int sesepage = pageye;if (count % sesepage == 0) { page = count / sesepage; }else { page = (count / sesepage) + 1; }if (page == 0) { page += 1; }return page;}        #endregion//初始化函数页面绑定数据源以后分页的结果集合在返回给页面        #region  初始化函数public DataTable DataBind(){return ContrlInit();}private DataTable ContrlInit(){this.PageIndexs = this.PageIndexs == 0 ? 1 : this.PageIndexs;this.SumPages = PageCount(this.DataSource.Rows.Count, PageSizes);//this.LblSumPages.Text = SumPages.ToString();//this.LblPageIndexs.Text = PageIndexs.ToString();return GetPagedTable(DataSource, PageIndexs, PageSizes);}//控件的呈现 4个按钮和1个文本 按钮回发的参数 0 ，1，-1，2        protected override void Render(HtmlTextWriter output){base.Render(output);output.Write("&nbsp;");this.Fristbtn.ID = "OnUpbtn" + base.ID;this.Fristbtn.Text = "首页 ";Fristbtn.Attributes.Add(HtmlTextWriterAttribute.Href.ToString(), this.Page.ClientScript.GetPostBackClientHyperlink(this, "0"));this.Fristbtn.RenderControl(output);this.Upbtn.ID = "OnUpbtn" + base.ID;this.Upbtn.Text = "上一页 ";Upbtn.Attributes.Add(HtmlTextWriterAttribute.Href.ToString(), this.Page.ClientScript.GetPostBackClientHyperlink(this, "-1"));this.Upbtn.RenderControl(output);this.NextBtn.ID = "NextBtn" + base.ID;this.NextBtn.Text = "下一页 ";this.NextBtn.Attributes.Add(HtmlTextWriterAttribute.Href.ToString(), this.Page.ClientScript.GetPostBackClientHyperlink(this, "1"));this.NextBtn.RenderControl(output);this.LastBtn.ID = "OnUpbtn" + base.ID;this.LastBtn.Text = "尾页";LastBtn.Attributes.Add(HtmlTextWriterAttribute.Href.ToString(), this.Page.ClientScript.GetPostBackClientHyperlink(this, "2"));this.LastBtn.RenderControl(output);this.LblPageInfo.ID = "LblPageIndexstxt" + base.ID;this.LblPageInfo.Text = "(第" + PageIndexs.ToString() + "页 共" + SumPages.ToString() + "页）";this.LblPageInfo.RenderControl(output);//this.LblPageIndexs.ID = "LblPageIndexs" + base.ID;//this.LblPageIndexs.Text = PageIndexs.ToString();//this.LblPageIndexs.RenderControl(output);//this.LblSumPagestxt.ID = "LblSumPagestxt" + base.ID;//this.LblSumPagestxt.Text = "总页数:";//this.LblSumPagestxt.RenderControl(output);//this.LblSumPages.ID = "LblSumPages" + base.ID;//this.LblSumPages.Text = SumPages.ToString();//this.LblSumPages.RenderControl(output);}
        #endregion//最主要的一个部分 来判断用户点击翻页时回发的是那个事件 我定义的按钮回发的参数 0 ，1，-1，2

        public void RaisePostBackEvent(string eventArgument){//string[] args = eventArgument.Split(Constant.ARGUMENT_SPLITTER);//if (args == null || args.Length < 1)//    return;switch (eventArgument){case "0":this.FristbtnClick(null, null);break;case "-1":this.OnUpbtnClick(null, null);break;case "1":this.OnNextbtnClick(null, null);break;case "2":this.LastBtnClick(null, null);break;default:this.OnUpbtnClick(null, null);break;}}}
}编译以后会在工具中看见这个控件 拖到页面上

页面

<asp:Repeater ID="Rpt" runat="server" ><HeaderTemplate><ul></HeaderTemplate><ItemTemplate><li><strong><%# Eval("dtdate")%> 留言：</strong><div class="cont"><p class="txt"><%# Eval("sMessage")%></p><div class="replay"><span class="repTea"><%# Eval("adminName")%></span> &nbsp;回复 <%# Eval("dtadmindate")%><p><%# Eval("AdminMessage")%></p></div></div></li></ItemTemplate><FooterTemplate></ul></FooterTemplate></asp:Repeater>

 <GS:DataPaging ID="DataPaging1" runat="server" PageSizes="3" onpagingclick="DataPaging1_PagingClick"></GS:DataPaging>设置好 每页记录数和分页之后的事件后台代码

protected void Page_Load(object sender, EventArgs e){if (!IsPostBack){LoadPage();}}

private void LoadPage(){DataPaging1.DataSource = (new NoticeMessageLogic()).GetMessageInfos(StudentMessage.Text, dtStudentDate.Text, WebSession.AliasCode);Rpt.DataSource = DataPaging1.DataBind();Rpt.DataBind();}protected void DataPaging1_PagingClick(object sender, EventArgs e){//LoadPage();Rpt.DataSource = sender;Rpt.DataBind();}要源码的 我这里不知道怎么上传。

试试效果吧 ~~~兄弟也辛苦半天了，加我的吧  QQ群 205914059