1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="PagedDataSourceone.aspx.cs" Inherits="PagedDataSourceone" %>
2 <!DOCTYPE html >
3 <html>
4 <head runat="server">
5 <title>Datalist分页测试</title>
6 </head>
7 <body>
8 <form id="form1" runat="server">
9 <asp:DataList ID="DataList1" runat="server" RepeatColumns="1" HorizontalAlign="Justify" RepeatDirection="Horizontal" Width="100%" EnableTheming="True">
10 <ItemTemplate>
11 <%# Eval("MenuName")%>
12 </ItemTemplate>
13 </asp:DataList>
14 当前页：<asp:Label ID="lblCurrent" runat="server" Text="1"></asp:Label>
15 总页数：<asp:Label ID="lblTotal" runat="server" Text="Label"></asp:Label>
16 <asp:LinkButton ID="lbtnFirst" runat="server" OnClick="lbtnFirst_Click">第一页</asp:LinkButton>
17 <asp:LinkButton ID="lbntUp" runat="server" OnClick="lbntUp_Click">上一页</asp:LinkButton>
18 <asp:LinkButton ID="lbtnDown" runat="server" OnClick="lbtnDown_Click">下一页</asp:LinkButton>
19 <asp:LinkButton ID="lbtnLast" runat="server" OnClick="lbtnLast_Click">最后一页</asp:LinkButton> </form>
20 </body>
21 </html>
上面代码是前台部分.
1 using System;
2 using System.Collections.Generic;
3 using System.Web;
4 using System.Web.UI;
5 using System.Web.UI.WebControls;
6 using JajaReport.DBUtility;//必须引用
7 using JajaWeiXin.PublicClass;//必须引用
8 using System.Data.SqlClient;
9 using System.Data;
10
11
12 public partial class PagedDataSourceone : System.Web.UI.Page
13 {
14 protected void Page_Load(object sender, EventArgs e)
15 {
16 if (!IsPostBack)
17 {
18 DataListBind();
19 }
20 }
21 /// <summary>
22 /// DataList1的列表
23 /// </summary>
24 protected void DataListBind()
25 {
26 //string MenuSQL = "Select MenuID,MenuName,ClassID,MenuUnit,MenuPrice,OriPrice,LimitNum,StockNum,IsRecom,IsHot,HotIndex,MenuIndex,MakeRemark,MenuDesc,UpdateTime from wx_bu_Menu where OriPrice>=0";
27 //重构之后的代码调用
28 //PublicDataListBase.ShowDataList(DataList1, MenuSQL);
29
30 int current_page = Convert.ToInt32(lblCurrent.Text);
31 SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.AppSettings["ConnectionString"]);
32 SqlDataAdapter oda = new SqlDataAdapter("Select MenuID,MenuName,ClassID,MenuUnit,MenuPrice,OriPrice,LimitNum,StockNum,IsRecom,IsHot,HotIndex,MenuIndex,MakeRemark,MenuDesc,UpdateTime from wx_bu_Menu where OriPrice>=0", con);
33 DataSet ds = new DataSet();
34 oda.Fill(ds);
35
36 PagedDataSource ps = new PagedDataSource();
37 ps.DataSource = ds.Tables[0].DefaultView;
38 ps.AllowPaging = true;
39 ps.PageSize = 4;
40 lblTotal.Text = ps.PageCount.ToString();
41 ps.CurrentPageIndex = current_page - 1;
42 lbtnFirst.Enabled = true;
43 lbntUp.Enabled = true;
44 lbtnDown.Enabled = true;
45 lbtnLast.Enabled = true;
46 if (current_page == 1)
47 {
48 lbtnFirst.Enabled = false;
49 lbntUp.Enabled = false;
50 }
51 if (current_page == Convert.ToInt32(lblTotal.Text))
52 {
53 lbtnLast.Enabled = false;
54 lbtnDown.Enabled = false;
55 }
56 DataList1.DataSource = ps;
57 DataList1.DataBind();
58 }
59
60 protected void lbtnFirst_Click(object sender, EventArgs e)
61 {
62 lblCurrent.Text = "1";
63 DataListBind();
64 }
65 protected void lbtnDown_Click(object sender, EventArgs e)
66 {
67 lblCurrent.Text = (Convert.ToInt32(lblCurrent.Text) + 1).ToString();
68 DataListBind();
69 }
70 protected void lbntUp_Click(object sender, EventArgs e)
71 {
72 lblCurrent.Text = (Convert.ToInt32(lblCurrent.Text) - 1).ToString();
73 DataListBind();
74 }
75 protected void lbtnLast_Click(object sender, EventArgs e)
76 {
77 lblCurrent.Text = lblTotal.Text;
78 DataListBind();
79 }
80 }
以上代码时候台部分.
Datalist实现分页
时间： 2024-12-28 01:31:12