Code1
Books实体2
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using System;4
using System.Data;5
using System.Configuration;6
using System.Web;7
using System.Web.Security;8
using System.Web.UI;9
using System.Web.UI.WebControls;10
using System.Web.UI.WebControls.WebParts;11
using System.Web.UI.HtmlControls;12
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/**//// <summary>14
/// Books 的摘要说明15
/// </summary>16
public class Books17
{18
public Books()19
{20
//21
// TODO: 在此处添加构造函数逻辑22
//23
}24
private int id;25
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public int Id27
{28
get { return id; }29
set { id = value; }30
}31
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private string title;33
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public string Title35
{36
get { return title; }37
set { title = value; }38
}39
private string author;40
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public string Author42
{43
get { return author; }44
set { author = value; }45
}46
private string contentDescription;47
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public string ContentDescription49
{50
get { return contentDescription; }51
set { contentDescription = value; }52
}53
private string pic;54
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public string Pic56
{57
get { return pic; }58
set { pic = value; }59
}60
private double unitPrice;61
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public double UnitPrice63
{64
get { return unitPrice; }65
set { unitPrice = value; }66
}67
}68
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BookOperator类70
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using System;72
using System.Data;73
using System.Configuration;74
using System.Web;75
using System.Web.Security;76
using System.Web.UI;77
using System.Web.UI.WebControls;78
using System.Web.UI.WebControls.WebParts;79
using System.Web.UI.HtmlControls;80
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using System.Data.SqlClient;82
using System.Collections.Generic;83
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/**//// <summary>85
/// BooksOperator 的摘要说明86
/// </summary>87
public class BooksOperator88
{89
public BooksOperator()90
{91
//92
// TODO: 在此处添加构造函数逻辑93
//94
}95
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public static IList<Books> GetAllBooks()97
{98
IList<Books> bookList = new List<Books>();99
Books book = null;100
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string conStr = "server=.;database=bookshop;uid=sa;pwd=1234";102
string sqlStr = "select id,title,author,contentDescription,pic,unitPrice from books ";103
using (SqlConnection sqlConn = new SqlConnection(conStr))104
{105
sqlConn.Open();106
SqlCommand sqlCmd = new SqlCommand(sqlStr,sqlConn);107
SqlDataReader reader = sqlCmd.ExecuteReader();108
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while (reader.Read())110
{111
book = new Books();112
book.Id = reader.GetInt32(0);113
book.Title = reader.GetString(1);114
book.Author = reader.GetString(2);115
book.ContentDescription = reader.GetString(3);116
book.Pic = reader.GetString(4);117
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book.UnitPrice =double.Parse(reader.GetDecimal(5).ToString());119
bookList.Add(book); 120
}121
reader.Close();122
}123
return bookList;124
}125
}126
BookList.aspx127
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<%@ Page Language="C#" AutoEventWireup="true" Debug="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>129
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">131
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<html xmlns="http://www.w3.org/1999/xhtml" >133
<head runat="server">134
<title>无标题页</title>135
</head>136
<body>137
<form id="form1" runat="server">138
<div>139
<asp:DataList ID="dlBookList" runat="server" Width="268px">140
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<ItemTemplate> 142
<table width="600">143
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<tr>145
<td rowspan="4">146
<asp:Image ID="Image1" ImageUrl='<%# "~/Images/"+Eval("Pic") %>' runat="server" />147
</td>148
<td><%# Eval("Title") %></td>149
</tr>150
<tr>151
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<td><%# Eval("Author") %></td>153
</tr>154
<tr>155
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<td><%# Eval("ContentDescription")%></td>157
</tr>158
<tr>159
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<td><%# Eval("UnitPrice")%></td>161
</tr>162
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</table>164
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</ItemTemplate>166
</asp:DataList>167
<asp:Label ID="lblInfo" runat="server" Text=""></asp:Label>168
<asp:Button ID="btnPre" runat="server" Text="前一页" OnClick="btnPre_Click" />169
<asp:Button ID="btnNext" runat="server" Text="后一页" OnClick="btnNext_Click" />170
</div>171
</form>172
</body>173
</html>174
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页面后置类176
BookList.aspx.cs177
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using System;181
using System.Data;182
using System.Configuration;183
using System.Web;184
using System.Web.Security;185
using System.Web.UI;186
using System.Web.UI.WebControls;187
using System.Web.UI.WebControls.WebParts;188
using System.Web.UI.HtmlControls;189
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using System.Data.SqlClient;191
using System.Collections.Generic;192
public partial class _Default : System.Web.UI.Page 193
{194
//用来自定义分类的类195
PagedDataSource pds;196
protected void Page_Load(object sender, EventArgs e)197
{198
if (!IsPostBack)199
{200
//用ViewState 保存当前页面的状态,这里保存的是当前页201
ViewState["curPage"] = 0;202
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DataBindDBook();204
}205
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}207
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/**//// <summary>209
/// 数据绑定的方法210
/// </summary>211
public void DataBindDBook()212
{213
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pds = new PagedDataSource();215
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//允许分页217
pds.AllowPaging = true;218
//每页的大小219
pds.PageSize = 2;220
//当前页的索引221
pds.CurrentPageIndex = CurPage;222
//数据源223
pds.DataSource = BooksOperator.GetAllBooks();224
//设置 dlBookList 的数据源为 :PagedDataSource(pds) 225
this.dlBookList.DataSource = pds;226
//调用DataBind()方法进行绑定227
this.dlBookList.DataBind();228
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this.lblInfo.Text = string.Format("当前第{0}页,共{1}页",this.pds.CurrentPageIndex+1, this.pds.PageCount.ToString());230
SetEnable();231
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}233
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//前一页按钮235
protected void btnPre_Click(object sender, EventArgs e)236
{237
CurPage--;238
//重新调用绑定的方法239
DataBindDBook();240
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}242
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//下一页按钮244
protected void btnNext_Click(object sender, EventArgs e)245
{246
CurPage++;247
DataBindDBook();248
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}250
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//设置前一页,后一页的按钮是否有效252
public void SetEnable()253
{254
this.btnPre.Enabled = true;255
this.btnNext.Enabled = true;256
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if (this.pds.IsFirstPage)258
{259
this.btnPre.Enabled = false;260
}261
if (this.pds.IsLastPage)262
{263
this.btnNext.Enabled = false;264
}265
}266
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//属性: 当前页268
public int CurPage269
{270
get271
{272
return (int)ViewState["curPage"];273
}274
set275
{276
ViewState["curPage"] = value;277
}278
}279
}280
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