<%@ Page Language="C#" %>
<!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>Master/Detail</title>
<style type="text/css">
.categoryContainer div
{
100px;
font-size:small;
border: 1px solid black;
float:left;
padding:3px;
margin:3px;
}
.categoryContainer a
{
text-decoration:none;
}
.categoryContainer div:hover
{
background-color:#eeeeee;
}
#selected
{
background-color:silver;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ListView
ID="lstMovieCategories"
DataSourceId="srcMovieCategory"
DataKeyNames="Id"
runat="server">
<LayoutTemplate>
<div class="categoryContainer">
<asp:PlaceHolder
id="itemPlaceholder"
Runat="server" />
</div>
</LayoutTemplate>
<ItemTemplate>
<div>
<asp:LinkButton
id="lnkSelect"
Text='<%# Eval("Name") %>'
CommandName="Select"
Runat="server" />
</div>
</ItemTemplate>
<SelectedItemTemplate>
<div id="selected">
<%# Eval("Name") %>
</div>
</SelectedItemTemplate>
</asp:ListView>
<br style="clear:both" /><br />
//clear:both该属性的值指出了不允许有浮动对象的边。
//通俗的讲：这段代码的做用是：清除同行元素，不允许其它元素与之在一行内。
<asp:ListView
ID="lstMovies"
DataSourceId="srcMovies"
runat="server">
<LayoutTemplate>
<ol>
<asp:PlaceHolder
id="itemPlaceholder"
runat="server" />
</ol>
</LayoutTemplate>
<ItemTemplate>
<li><%# Eval("Title") %></li>
</ItemTemplate>
</asp:ListView>
<asp:SqlDataSource
id="srcMovieCategory"
SelectCommand="SELECT Id, Name FROM MovieCategory"
ConnectionString='<%$ ConnectionStrings:con %>'
Runat="server" />
<asp:SqlDataSource
id="srcMovies"
SelectCommand="SELECT Title FROM Movie
WHERE CategoryId=@CategoryId"
ConnectionString='<%$ ConnectionStrings:con %>'
Runat="server">
<SelectParameters>
<asp:ControlParameter
Name="CategoryId"
ControlID="lstMovieCategories" />
</SelectParameters>
</asp:SqlDataSource>
</div>
</form>
</body>
</html>