Hello, people
Show this error. But why? I learn now asp.net, not all undestand
have this error in page default.aspx
<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
<asp:Content ID="Content1"
ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
</asp:Content>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
and have page masterpage.master
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %>
<!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></title>
<asp:ContentPlaceHolder id="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</div>
<h1>
<asp:Label ID="lbl_main" runat="server" Text="Welcome to Cars US"></asp:Label>
<asp:AdRotator ID="myAdRotator" runat="server" AdvertisementFile="~/Ads.xml" />
</h1>
<p>
</p>
<p>
</p>
<p>
<asp:Menu ID="Menu1" runat="server">
<Items>
<asp:MenuItem NavigateUrl="Default.aspx" Text="Home" Value="Home">
</asp:MenuItem>
<asp:MenuItem NavigateUrl="BuildCar.aspx" Text="Buil a car" Value="Buil a car">
</asp:MenuItem>
<asp:MenuItem NavigateUrl="Inventory.aspx" Text="View inventory"
Value="View inventory"></asp:MenuItem>
</Items>
</asp:Menu>
</p>
</form>
<p>
</p>
</body>
</html>
Please help