第二题
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AutoGenerateColumns="False" BackColor="#DEBA84" BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellPadding="3" CellSpacing="2" DataKeyNames="StuNo" DataSourceID="LinqDataSource1" AllowSorting="True">
<Columns>
<asp:BoundField DataField="ClassName" HeaderText="班级" SortExpression="ClassName" />
<asp:BoundField DataField="StuNo" HeaderText="学号" ReadOnly="True" SortExpression="StuNo" />
<asp:BoundField DataField="Name" HeaderText="姓名" SortExpression="Name" />
<asp:BoundField DataField="Score" HeaderText="总评成绩" SortExpression="Score" />
</Columns>
<FooterStyle BackColor="#F7DFB5" ForeColor="#8C4510" />
<HeaderStyle BackColor="#A55129" Font-Bold="True" ForeColor="White" />
<PagerStyle ForeColor="#8C4510" HorizontalAlign="Center" />
<RowStyle BackColor="#FFF7E7" ForeColor="#8C4510" />
<SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="White" />
<SortedAscendingCellStyle BackColor="#FFF1D4" />
<SortedAscendingHeaderStyle BackColor="#B95C30" />
<SortedDescendingCellStyle BackColor="#F1E5CE" />
<SortedDescendingHeaderStyle BackColor="#93451F" />
</asp:GridView>
<asp:LinqDataSource ID="LinqDataSource1" runat="server" ContextTypeName="DataClassesDataContext" EntityTypeName="" TableName="Report" Where ="Score == null||Score<60" OrderBy="Score desc, ClassName, StuNo">
</asp:LinqDataSource>
</div>
</form>
</body>
</html>
