文本框不在当前上下文中的代码存在

Question

问题

2个文件： Register.aspx Register.aspx.cs

Register.aspx：

<%@ Page Title="Register" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" 
    CodeBehind="Register.aspx.cs" Inherits="HSE_Monitoring_Application.Account.Register" %> 

<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent"> 
</asp:Content> 
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent"> 
    <asp:CreateUserWizard ID="RegisterUser" runat="server" EnableViewState="false" OnCreatedUser="RegisterUser_CreatedUser"> 
     <LayoutTemplate> 
      <asp:PlaceHolder ID="wizardStepPlaceholder" runat="server"></asp:PlaceHolder> 
      <asp:PlaceHolder ID="navigationPlaceholder" runat="server"></asp:PlaceHolder> 
     </LayoutTemplate> 
     <WizardSteps> 
      <asp:CreateUserWizardStep ID="RegisterUserWizardStep" runat="server"> 
       <ContentTemplate> 
        <h2> 
         Create a New Account 
        </h2> 
        <p> 
         Use the form below to create a new account. 
        </p> 
        <p> 
         Passwords are required to be a minimum of <%= Membership.MinRequiredPasswordLength %> characters in length. 
        </p> 
        <span class="failureNotification"> 
         <asp:Literal ID="ErrorMessage" runat="server"></asp:Literal> 
        </span> 
        <asp:ValidationSummary ID="RegisterUserValidationSummary" runat="server" CssClass="failureNotification" 
         ValidationGroup="RegisterUserValidationGroup"/> 
        <div class="accountInfo"> 
         <fieldset class="register"> 
          <legend>Account Information</legend> 
          <p> 
           <asp:Label ID="UserNameLabel" runat="server" AssociatedControlID="UserName">User Name:</asp:Label> 
           <asp:TextBox ID="UserName" runat="server" CssClass="textEntry"></asp:TextBox> 
           <asp:RequiredFieldValidator ID="UserNameRequired" runat="server" ControlToValidate="UserName" 
            CssClass="failureNotification" ErrorMessage="User Name is required." ToolTip="User Name is required." 
            ValidationGroup="RegisterUserValidationGroup">*</asp:RequiredFieldValidator> 
          </p> 
          <p> 
           <asp:Label ID="PasswordLabel" runat="server" AssociatedControlID="Password">Password:</asp:Label> 
           <asp:TextBox ID="Password" runat="server" CssClass="passwordEntry" TextMode="Password"></asp:TextBox> 
           <asp:RequiredFieldValidator ID="PasswordRequired" runat="server" ControlToValidate="Password" 
            CssClass="failureNotification" ErrorMessage="Password is required." ToolTip="Password is required." 
            ValidationGroup="RegisterUserValidationGroup">*</asp:RequiredFieldValidator> 
          </p> 
          <p> 
           <asp:Label ID="ConfirmPasswordLabel" runat="server" AssociatedControlID="ConfirmPassword">Confirm Password:</asp:Label> 
           <asp:TextBox ID="ConfirmPassword" runat="server" CssClass="passwordEntry" TextMode="Password"></asp:TextBox> 
           <asp:RequiredFieldValidator ControlToValidate="ConfirmPassword" CssClass="failureNotification" Display="Dynamic" 
            ErrorMessage="Confirm Password is required." ID="ConfirmPasswordRequired" runat="server" 
            ToolTip="Confirm Password is required." ValidationGroup="RegisterUserValidationGroup">*</asp:RequiredFieldValidator> 
           <asp:CompareValidator ID="PasswordCompare" runat="server" ControlToCompare="Password" ControlToValidate="ConfirmPassword" 
            CssClass="failureNotification" Display="Dynamic" ErrorMessage="The Password and Confirmation Password must match." 
            ValidationGroup="RegisterUserValidationGroup">*</asp:CompareValidator> 
          </p> 
         </fieldset> 
         <p class="submitButton"> 
          <asp:Button ID="CreateUserButton" runat="server" CommandName="MoveNext" Text="Create User" 
           ValidationGroup="RegisterUserValidationGroup" OnClick="onSubmitNewUser"/> 
         </p> 
        </div> 
       </ContentTemplate> 
       <CustomNavigationTemplate> 
       </CustomNavigationTemplate> 
      </asp:CreateUserWizardStep> 
     </WizardSteps> 
    </asp:CreateUserWizard> 
</asp:Content> 

问题： 不能请参阅Register.aspx.cs中的Textbox'UserName'类：

void onSubmitNewUser(Object sender, EventArgs e) 
     { 
      string strcon = "connect_information"; 
      SqlConnection con = new SqlConnection(strcon); 

      SqlCommand com = new SqlCommand("storelogin", con); 
      com.CommandType = CommandType.StoredProcedure; 
      SqlParameter p1 = new SqlParameter("username", UserName.Text); 
      SqlParameter p3 = new SqlParameter("password", ConfirmPassword.Text); 
      com.Parameters.Add(p1); 
      com.Parameters.Add(p3); 
      con.Open(); 
      com.ExecuteNonQuery(); 
      Labelinfo.Text = "registered successful"; 
     } 

Answer 1

它也有可能，你会得到一个很难得到的ConfirmPassword文本框contents..Because你的控件被掩埋另一容器内，你必须得到回报后，一些小excavation..Lets开始挖掘......

使用向导这已经是接近找到您的文本框中

TextBox UserName= (TextBox)CreateUserWizard.FindControl("UserName"); 

你want.Hope这有助于//然后使用它。