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前台 datalistpage.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="datalistpage.aspx.cs" Inherits="datalistpage" %>
<!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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DataList ID="DataList1" runat="server" Width="976px" Height="745px" BorderWidth="2px" CellPadding="2" CellSpacing="2" RepeatColumns="4" RepeatDirection="Vertical" BorderColor="#666666">
<ItemTemplate >
<table >
<tr>
<td >
<a href='<%#"Show.aspx?iname="+Eval("iname")%>'><img src='upimage/<%#DataBinder.Eval(Container.DataItem,"iname") %>' width="120" alt="点击查看大图"/></a>
</td>
</tr>
</table>
</ItemTemplate>
</asp:DataList>
<table style="width: 976px" cellpadding="0" cellspacing="0">
<tr>
<td style="width:976px; text-align: right; font-size:12pt; height:25px;">
<asp:Label ID="Label7" runat="server" Text="当前页码为："></asp:Label>
[
<asp:Label ID="labPage" runat="server" Text="1"></asp:Label>
]
<asp:Label ID="Label6" runat="server" Text="总页码为："></asp:Label>
[
<asp:Label ID="labBackPage" runat="server"></asp:Label>
]<asp:LinkButton ID="lnkbtnOne" runat="server" Font-Underline="False" ForeColor="Red"
OnClick="lnkbtnOne_Click">第一页</asp:LinkButton>
<asp:LinkButton ID="lnkbtnUp" runat="server" Font-Underline="False" ForeColor="Red"
OnClick="lnkbtnUp_Click">上一页</asp:LinkButton>
<asp:LinkButton ID="lnkbtnNext" runat="server" Font-Underline="False" ForeColor="Red"
OnClick="lnkbtnNext_Click">下一页</asp:LinkButton>
<asp:LinkButton ID="lnkbtnBack" runat="server" Font-Underline="False" ForeColor="Red"
OnClick="lnkbtnBack_Click">最后一页</asp:LinkButton> </td>
</tr>
</table>
</div>
</form>
</body>
</html>
后台 datalistpage.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
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 datalistpage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
dlBind();
}
public void dlBind()
{
SqlConnection sqlcon;
string strCon = "Data Source=(local);Database=db_04;Uid=sa;Pwd=";
int curpage = Convert.ToInt32(this.labPage.Text);
PagedDataSource ps = new PagedDataSource();
sqlcon = new SqlConnection(strCon);
sqlcon.Open();
string sqlstr = "SELECT [iname],iid FROM [tb_Image]";
SqlDataAdapter MyAdapter = new SqlDataAdapter(sqlstr, sqlcon);
DataSet ds = new DataSet();
MyAdapter.Fill(ds, "iid");
ps.DataSource = ds.Tables["iid"].DefaultView;
ps.AllowPaging = true; //是否可以分页
ps.PageSize = 8; //显示的数量
ps.CurrentPageIndex = curpage - 1; //取得当前页的页码
this.lnkbtnUp.Enabled = true;
this.lnkbtnNext.Enabled = true;
this.lnkbtnBack.Enabled = true;
this.lnkbtnOne.Enabled = true;
if (curpage == 1)
{
this.lnkbtnOne.Enabled = false;//不显示第一页按钮
this.lnkbtnUp.Enabled = false;//不显示上一页按钮
}
if (curpage == ps.PageCount)
{
this.lnkbtnNext.Enabled = false;//不显示下一页
this.lnkbtnBack.Enabled = false;//不显示最后一页
}
this.labBackPage.Text = Convert.ToString(ps.PageCount);
this.DataList1.DataSource = ps;
this.DataList1.DataKeyField = "iid";
this.DataList1.DataBind();
sqlcon.Close();
}
protected void lnkbtnOne_Click(object sender, EventArgs e)
{
this.labPage.Text = "1";
this.dlBind();
}
protected void lnkbtnUp_Click(object sender, EventArgs e)
{
this.labPage.Text = Convert.ToString(Convert.ToInt32(this.labPage.Text) - 1);
this.dlBind();
}
protected void lnkbtnNext_Click(object sender, EventArgs e)
{
this.labPage.Text = Convert.ToString(Convert.ToInt32(this.labPage.Text) + 1);
this.dlBind();
}
protected void lnkbtnBack_Click(object sender, EventArgs e)
{
this.labPage.Text = this.labBackPage.Text;
this.dlBind();
}
}
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