<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %> <!DOCTYPE html> <html> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> <asp:ContentPlaceHolder id="head" runat="server"> </asp:ContentPlaceHolder> </head> <body> <form id="form1" runat="server"> <asp:LoginView ID="LoginView1" runat="server"> <AnonymousTemplate>hello</AnonymousTemplate> <LoggedInTemplate> <div> you have logged <asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server"> </asp:ContentPlaceHolder> </div> </LoggedInTemplate> </asp:LoginView> </form> </body> </html>
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %> <asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server"> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> </asp:Content>
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class Default2 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { TextBox1.Text = "hello3"; } }
System.NullReferenceException HResult=0x80004003 Message=未将对象引用设置到对象的实例。 Source=App_Web_basnoeqa StackTrace: 在 Default2.Page_Load(Object sender, EventArgs e) 在 C:\WebSite3\WebSite3\Default2.aspx.cs 中: 第 12 行
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