使用AspNetPager实现分页

本文介绍如何使用AspNetPager分页控件实现ASP.NET Web应用程序的数据分页显示功能。主要内容包括:下载并引用AspNetPager.dll,配置HTML页面,设置分页控件属性,以及在后台绑定数据和实现分页功能。

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1.下载AspNetPager.dll,并引用到web层

2.在html页面顶部引入

<%@ Register Assembly="AspNetPager" Namespace="Wuqi.Webdiyer" TagPrefix="webdiyer" %>


3.在html页面放分页按钮处

<webdiyer:AspNetPager ID="AspNetPager1" runat="server"
        AlwaysShow="True" FirstPageText="首页" LastPageText="尾页" NextPageText="下一页"
        OnPageChanged="AspNetPager1_PageChanged" PrevPageText="上一页"
        PageSize="12" UrlPaging="true" NumericButtonTextFormatString="[{0}]" ShowCustomInfoSection="Left">
    </webdiyer:AspNetPager>


4.最后一步,后台绑定

	/// <summary>
        /// 绑定repeater数据
        /// </summary>
        public void RepeaterDataBind()
        {
            StringBuilder sqlWhere = new StringBuilder();
            if (!string.IsNullOrEmpty(Number))
            {//维护
                sqlWhere.Append(" Del!=0 and ParentNumber='");
                sqlWhere.Append(Number + "'");
                btn_Return.Visible = true;
            }
            else
            {//默认
                sqlWhere.Append(" Del!=0 and ParentNumber='0'");
            }
            if (Session["where"] != null)
            {//查询
                sqlWhere.Append(Session["where"].ToString());
            }
            rep_Dictionary.DataSource = sys_DictionaryBLL.Instance.GetList(this.AspNetPager1.PageSize, this.AspNetPager1.CurrentPageIndex, sqlWhere.ToString()); //绑定数据
            this.rep_Dictionary.DataBind();
            this.AspNetPager1.RecordCount = sys_DictionaryBLL.Instance.GetRecordCount(sqlWhere.ToString());//总记录数
            AspNetPager1.CustomInfoHTML = "记录总数:<b>" + AspNetPager1.RecordCount.ToString() + "</b>  ";
            AspNetPager1.CustomInfoHTML += "总页数:<b>" + AspNetPager1.PageCount.ToString() + "</b>  ";
            AspNetPager1.CustomInfoHTML += "当前页:<font color='red'><b>" + AspNetPager1.CurrentPageIndex.ToString() + "</b></font>";
        }

        /// <summary>
        /// 分页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void AspNetPager1_PageChanged(object sender, EventArgs e)
        {
            RepeaterDataBind();
        }


 5.DAL层分页代码

	/// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize, int PageIndex, string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top ");
            strSql.Append(PageSize);
            strSql.Append(" * from trip_sys_Dictionary where ID not in(select top ");
            strSql.Append(PageSize*(PageIndex - 1));
            strSql.Append(" ID from trip_sys_Dictionary");
            if (!string.IsNullOrEmpty(strWhere))
            {
                strSql.Append(" where "+strWhere);
                strSql.Append(") and "+strWhere);
            }
            else
            {
                strSql.Append(")");
            }
            return DbHelperSQL.Query(strSql.ToString());
        }


 

效果图如下:

这个分页控件名为AspNetPager控件,是Asp.net使用率最高的分页控件,想怎么分就怎么分.附带'超详细代码注释",好用请给评论. 基本步骤: 1.拖拽控件(存放到到Bin目录下,再拖入工具箱) 2.粘贴复制(已放出实例源码) 3.修改Sql语句,即可使用. 特性如下: 强大的各种属性,附带多种CSS,可自定义CSS,想怎么分就怎么分页! 上下页,1234分页,首尾分页,页面跳转,等等,统统一步搞定. 实例代码(包内也有): ___________________________________________________________________ Default.aspx页面↓↓ ___________________________________________________________________ <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!--分页控件命名--> <%@ Register Assembly="AspNetPager" Namespace="Wuqi.Webdiyer" TagPrefix="webdiyer" %> <!--分页控件命名--> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:DataList ID="DataList1" runat="server"> <ItemTemplate> <%# Eval("ID") %> </ItemTemplate> </asp:DataList> <!--分页控件开始--> <webdiyer:AspNetPager ID="Pager1" runat="server" PageSize="8" CssClass="anpager" OnPageChanged="AspNetPager1_PageChanged" FirstPageText="首页 |" LastPageText="| 尾页" NextPageText="下一页" PrevPageText="上一页" ShowPageIndexBox="Always" AlwaysShow="True" Font-Size="13px"> </webdiyer:AspNetPager> <!--分页控件结束--> </div> </form> </body> </html> ____________________________________________________________ Default.aspx.cs页面代码↓↓ ____________________________________________________________ using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; //引用命名空间 using System.Data; using System.Data.SqlClient; public partial class _Default : System.Web.UI.Page { string connstring = "server=baiyi-js\\SQL2005;uid=sa;pwd=123456;database=xcbaiyi";//修改数据库连接字符串(必须改) protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { SqlConnection conn = null; try { conn = new SqlConnection(connstring); conn.Open(); SqlCommand Count = new SqlCommand(); Count.Connection = conn; Count.CommandText = "select count(*) from tuiguang_2"; //Sql查询语句(必修改) Pager1.RecordCount = (int)Count.ExecuteScalar(); //"Pager1"为分页控件ID.在工具箱拖拽添加控件,同时会在aspx页面顶部添加控件命名控件(无需修改) BindData(); } finally { conn.Close(); } } } //绑定数据-2_只修改Sql语句即可 public void BindData() { SqlConnection conn = new SqlConnection(connstring); string sql = "select * from tuiguang_2";//Sql查询语句(必修改) SqlDataAdapter da = new SqlDataAdapter(sql, conn); DataSet ds = new DataSet(); da.Fill(ds, Pager1.PageSize * (Pager1.CurrentPageIndex - 1), Pager1.PageSize, "temptbl"); DataTable dt = ds.Tables["temptbl"]; DataList1.DataSource = dt; DataList1.DataBind(); } //控件事件-每次重新绑定_不需修改 protected void AspNetPager1_PageChanged(object src, EventArgs e) { BindData(); } }
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