VS 2012 で新しい Web フォーム アプリケーションを作成しました。Login.aspx ページにある "UserName" テキスト ボックスの値を取得しようとしています。 login.aspx.cs ファイルでアクセスしようとすると...
ASPX ファイル:
<%@ Page Title="Log in" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="WebApplication1.Account.Login" %>
<%@ Register Src="~/Account/OpenAuthProviders.ascx" TagPrefix="uc" TagName="OpenAuthProviders" %>
<asp:Content runat="server" ID="BodyContent" ContentPlaceHolderID="MainContent">
<hgroup class="title">
<h1><%: Title %>.</h1>
</hgroup>
<section id="loginForm">
<h2>Use a local account to log in.</h2>
<asp:Login runat="server" ViewStateMode="Disabled" RenderOuterTable="false">
<LayoutTemplate>
<p class="validation-summary-errors">
<asp:Literal runat="server" ID="FailureText" />
</p>
<fieldset>
<legend>Log in Form</legend>
<ol>
<li>
<asp:Label runat="server" AssociatedControlID="UserName">User name</asp:Label>
<asp:TextBox runat="server" ID="UserName" />
<asp:RequiredFieldValidator runat="server" ControlToValidate="UserName" CssClass="field-validation-error" ErrorMessage="The user name field is required." />
</li>
<li>
<asp:Label runat="server" AssociatedControlID="Password">Password</asp:Label>
<asp:TextBox runat="server" ID="Password" TextMode="Password" />
<asp:RequiredFieldValidator runat="server" ControlToValidate="Password" CssClass="field-validation-error" ErrorMessage="The password field is required." />
</li>
<li>
<asp:CheckBox runat="server" ID="RememberMe" />
<asp:Label runat="server" AssociatedControlID="RememberMe" CssClass="checkbox">Remember me?</asp:Label>
</li>
</ol>
<asp:Button runat="server" CommandName="Login" Text="Log in" />
</fieldset>
</LayoutTemplate>
</asp:Login>
<p>
<asp:HyperLink runat="server" ID="RegisterHyperLink" ViewStateMode="Disabled">Register</asp:HyperLink>
if you don't have an account.
</p>
</section>
<section id="socialLoginForm">
<h2>Use another service to log in.</h2>
<uc:OpenAuthProviders runat="server" ID="OpenAuthLogin" />
</section>
</asp:Content>
CS ファイル:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication1.Account
{
public partial class Login : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string id = UserName.Text;
}
}
}
編集: 自動生成された aspx.designer.cs ファイルを追加しました:
//------------------------------------------------------------------------------
// <auto-generated>
// This code was generated by a tool.
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
namespace WebApplication1.Account
{
public partial class Login
{
/// <summary>
/// RegisterHyperLink control.
/// </summary>
/// <remarks>
/// Auto-generated field.
/// To modify move field declaration from designer file to code-behind file.
/// </remarks>
protected global::System.Web.UI.WebControls.HyperLink RegisterHyperLink;
/// <summary>
/// OpenAuthLogin control.
/// </summary>
/// <remarks>
/// Auto-generated field.
/// To modify move field declaration from designer file to code-behind file.
/// </remarks>
protected global::WebApplication1.Account.OpenAuthProviders OpenAuthLogin;
}
}
どんな助けでも大歓迎です。