Repeater绑定数据源进行分页

前台页面代码

View Code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="PagerDemp01.aspx.cs" Inherits="PagerDemo_PagerDemp01" Theme=""%>

<!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>PagerDemo 01</title>
</head>
<body>
    <form id="form1" runat="server">
        <div style="width: 100%; height: 500px; text-align:center; margin: 0 auto;">
            <asp:Repeater ID="Repeater1" runat="server">
                <ItemTemplate>
                    <table width="500" style="margin: 0 auto">
                        <tbody>
                            <tr>
                                <td width="50"><%# DataBinder.Eval(Container.DataItem, "Id") %></td>
                                <td><%# DataBinder.Eval(Container.DataItem, "ProductName") %></td>
                                <td width="50"><%# DataBinder.Eval(Container.DataItem, "Quantity") %></td>
                                <td width="100"><%# DataBinder.Eval(Container.DataItem, "OrderDate", "{0:yyyyMMdd}") %></td>
                                <td width="50"><asp:CheckBox ID="CheckBox1" runat="server" Checked='<%# DataBinder.Eval(Container.DataItem, "IsStored") %>' /></td>
                            </tr>
                        </tbody>
                    </table>
                </ItemTemplate>
            </asp:Repeater>
            <br />
            <asp:Button ID="BtnFirst" runat="server" Text="首页" OnClick="BtnFirst_Click" />
            <asp:Button ID="BtnPrev" runat="server" Text="上一页" OnClick="BtnPrev_Click" />
            <asp:Button ID="BtnNext" runat="server" Text="下一页" OnClick="BtnNext_Click" />
            <asp:Button ID="BtnLast" runat="server" Text="尾页" OnClick="BtnLast_Click" />
            当前第<asp:Label ID="lbCurrentPage" runat="server" Text="1"></asp:Label>页/共<asp:Label ID="lbPageCount" runat="server"></asp:Label>页
            共<asp:Label ID="lbRecordCount" runat="server"></asp:Label>记录

            <asp:DropDownList ID="DropDownList1" runat="server" Width="100px" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" AutoPostBack="True"></asp:DropDownList>
        </div>
    </form>
</body>
</html>

后台分页代码

View Code

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
//
using System.Data.SqlClient;

public partial class PagerDemo_PagerDemp01 : System.Web.UI.Page
{
    #region * 字段声明 *
    //public static readonly string ConnectionString = ConfigurationManager.ConnectionStrings["NorthWindDemoConnectionString"].ConnectionString;
    #endregion

    protected void Page_Load(object sender, EventArgs e)
    {
        DisplayData();
    }

    private void DisplayData()
    {
        string SqlConnString = ConfigurationManager.ConnectionStrings["NorthwindDemoConnectionString"].ConnectionString;
        SqlConnection SqlConn = new SqlConnection(SqlConnString);
        SqlConn.Open();

        SqlDataAdapter daCmd = new SqlDataAdapter("SELECT * FROM ProductInfo", SqlConn);
        DataTable dtSouce = new DataTable("Product");
        daCmd.Fill(dtSouce);

        #region  * 分页数据源 *
        int CurrentPage = Convert.ToInt32(lbCurrentPage.Text);
        PagedDataSource pdsPager = new PagedDataSource();
        pdsPager.DataSource = dtSouce.DefaultView;
        //允许分页
        pdsPager.AllowPaging = true;
        pdsPager.PageSize = 10;  //页大小
        pdsPager.CurrentPageIndex = CurrentPage - 1;
        lbPageCount.Text = pdsPager.PageCount.ToString();
        lbRecordCount.Text = pdsPager.DataSourceCount.ToString();
        if (!IsPostBack)
        {
            for (int i = 1; i <= pdsPager.PageCount; i++)
            {
                ListItem item=new ListItem();
                item.Text = "第" + i.ToString() + "页";
                item.Value = i.ToString();
                DropDownList1.Items.Add(item);
            }
            DropDownList1.SelectedItem.Text = "第" + CurrentPage.ToString() + "页";
        }

        BtnFirst.Enabled = true;
        BtnLast.Enabled = true;
        BtnNext.Enabled = true;
        BtnPrev.Enabled = true;

        if (pdsPager.IsLastPage)
        {
            BtnLast.Enabled = false;
            BtnNext.Enabled = false;
        }
        if (pdsPager.IsFirstPage)
        {
            BtnFirst.Enabled = false;
            BtnPrev.Enabled = false;
        }

        Repeater1.DataSource=pdsPager;
        Repeater1.DataBind();

        #endregion

    }
    protected void BtnFirst_Click(object sender, EventArgs e)
    {
        lbCurrentPage.Text = "1";
        DisplayData();
    }
    protected void BtnPrev_Click(object sender, EventArgs e)
    {
        lbCurrentPage.Text = Convert.ToString(Convert.ToInt32(lbCurrentPage.Text) - 1);
        DisplayData();
    }
    protected void BtnNext_Click(object sender, EventArgs e)
    {
        lbCurrentPage.Text = Convert.ToString(Convert.ToInt32(lbCurrentPage.Text) + 1);
        DisplayData();
    }
    protected void BtnLast_Click(object sender, EventArgs e)
    {
        lbCurrentPage.Text = lbPageCount.Text;
        DisplayData();
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        int page = Convert.ToInt32(DropDownList1.SelectedItem.Value);
        lbCurrentPage.Text = page.ToString();
        DisplayData();
    }
}

1、每次在我写分页代码的时候，总是感觉PagedDataSource不能全局调用

2、在上一页、下一页我感觉自己做的还不够好。有时间想想看怎么写能写的更好点

posted @ 2011-03-15 21:52 Matt.com 阅读(325) 评论(0) 编辑收藏举报

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