我有一个未被调用的函数。我尝试使用调试来编写文件，它正确地写入了第一条调试消息"debug0"。但不是其他消息。
这是aspx：
<%@PageLanguage="C#"AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="Login" %>
<!DOCTYPE html PUBLIC >
<html>
<head runat="server">
<title/>
<link rel="stylesheet" type="text/css" href=".//style.css" />
</head>
<body>
<form class="container" runat="server">
<asp:login id="Login1" runat="server" style="width: 100%;">
<LayoutTemplate>
<div id="content">
<h1>blah<br>Site Login </h1>
<asp:TextBox class="field" placeholder="Username" ID="username" runat="server"> </asp:TextBox>
<asp:RequiredFieldValidator ID="UserNameRequired" runat="server" ControlToValidate="UserName" ErrorMessage="User Name is required." ToolTip="User Name is required." ValidationGroup="Login1">*
</asp:RequiredFieldValidator>
<br>
<asp:TextBox class="field" placeholder="Password" ID="password" runat="server" TextMode="Password"/>
<asp:RequiredFieldValidator ID="PasswordRequired" runat="server" ControlToValidate="Password" ErrorMessage="Password is required." ToolTip="Password is required." ValidationGroup="Login1">*
</asp:RequiredFieldValidator>
<br>
<asp:Button class="btn" ID="LoginButton" …