为什么我不能通过ID引用TextBox当它在CreateUserWizard控件中？

Question

我在这里遇到了一个奇怪的问题.

在asp.net CreateUserWizard中,我有一些元素,但我似乎无法从我的代码隐藏中访问它们.

这是一段代码片段:

标记:

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="CreateUserWizard.ascx.cs" Inherits="Web.UserControls.CreateUserWizard" %>
<asp:CreateUserWizard ID="CreateUserWizard1" runat="server" OnCreatingUser="CreatingUser">
<WizardSteps>
    <asp:CreateUserWizardStep ID="CreateUserWizardStep1" runat="server">
        <ContentTemplate>
            <table border="0">
               <tr>
                    <td>
                        <span class="requiredField"/>
                        <asp:Label ID="NameLabel" runat="server" AssociatedControlID="NameRequiredFieldValidator">Navn:</asp:Label>                      
                        <asp:CheckBox ID="ShareInfoCheckBox" runat="server" Checked="True" Text="Share my information with partner sites." />
                    </td>
                    <td>
                        <asp:TextBox ID="Name" runat="server"></asp:TextBox>
                        <asp:RequiredFieldValidator ID="NameRequiredFieldValidator" runat="server" 
                            ControlToValidate="Name" ErrorMessage="Du skal indtaste dit navn" 
                            ToolTip="Du skal indtaste dit navn" ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
                    </td>
                </tr>
             </ContentTemplate>
    </asp:CreateUserWizardStep>
</WizardSteps>
</asp:CreateUserWizard>

..这是代码隐藏:

public partial class CreateUserWizard : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void CreatingUser(object sender, EventArgs e)
    {
        Name. //no intellisense and compiler error when I try to access Name
    }
}

这不应该工作吗？如果这有任何区别,它在UserControl中.

提前致谢

Answer 1

TextBox nameTextBox =
  CreateUserWizard1.CreateUserStep.ContentTemplateContainer.FindControl("Name") as TextBox;

if (nameTextBox != null) {
    /* Do your stuff */
}

这里有更多例子.