CreateUserWizardStep.ContentTemplate does not contain an IEditableTextControl

<asp:CreateUserWizard runat="server" ID="CreateUserWizard1" AutoGeneratePassword="False"
ContinueDestinationPageUrl="~/Default.aspx" FinishDestinationPageUrl="~/Default.aspx">
<WizardSteps>
<asp:CreateUserWizardStep ID="CreateUserWizardStep1" runat="server">
<ContentTemplate>
<table cellpadding="2">
<tr>
<td style="width: 110px;" class="fieldname">
<asp:Label runat="server" ID="lblUserName" AssociatedControlID="UserName" Text="Username:" />
</td>
<td style="width: 300px;">
<asp:TextBox runat="server" ID="UserName" Width="100%" />
</td>
<td>
<asp:RequiredFieldValidator ID="valRequireUserName" runat="server" ControlToValidate="UserName"
SetFocusOnError="true" Display="Dynamic" ErrorMessage="Username is required."
ToolTip="Username is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="fieldname">
<asp:Label runat="server" ID="lblPassword" AssociatedControlID="Password" Text="Password:" />
</td>
<td>
<asp:TextBox runat="server" ID="Password" TextMode="Password" Width="100%" />
</td>
<td>
<asp:RequiredFieldValidator ID="valRequirePassword" runat="server" ControlToValidate="Password"
SetFocusOnError="true" Display="Dynamic" ErrorMessage="Password is required."
ToolTip="Password is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="valPasswordLength" runat="server" ControlToValidate="Password"
SetFocusOnError="true" Display="Dynamic" ValidationExpression="\w{5,}" ErrorMessage="Password must be at least 5 characters long."
ToolTip="Password must be at least 5 characters long." ValidationGroup="CreateUserWizard1">*</asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td class="fieldname">
<asp:Label runat="server" ID="lblConfirmPassword" AssociatedControlID="ConfirmPassword"
Text="Confirm password:" />
</td>
<td>
<asp:TextBox runat="server" ID="ConfirmPassword" TextMode="Password" Width="100%" />
</td>
<td>
<asp:RequiredFieldValidator ID="valRequireConfirmPassword" runat="server" ControlToValidate="ConfirmPassword"
SetFocusOnError="true" Display="Dynamic" ErrorMessage="Confirm Password is required."
ToolTip="Confirm Password is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
<asp:CompareValidator ID="valComparePasswords" runat="server" ControlToCompare="Password"
SetFocusOnError="true" ControlToValidate="ConfirmPassword" Display="Dynamic"
ErrorMessage="The Password and Confirmation Password must match." ValidationGroup="CreateUserWizard1">*</asp:CompareValidator>
</td>
</tr>
<tr>
<td class="fieldname">
<asp:Label runat="server" ID="lblEmail" AssociatedControlID="txtEmail" Text="E-mail:" />
</td>
<td>
<asp:TextBox runat="server" ID="txtEmail" Width="100%" Text='<%= Email %>'></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="valRequireEmail" runat="server" ControlToValidate="txtEmail"
SetFocusOnError="true" Display="Dynamic" ErrorMessage="E-mail is required." ToolTip="E-mail is required."
ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator runat="server" ID="valEmailPattern" Display="Dynamic"
SetFocusOnError="true" ValidationGroup="CreateUserWizard1" ControlToValidate="txtEmail"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*" ErrorMessage="The e-mail address you specified is not well-formed.">*</asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td class="fieldname">
<asp:Label runat="server" ID="lblQuestion" AssociatedControlID="Question" Text="Security question:" />
</td>
<td>
<asp:TextBox runat="server" ID="Question" Width="100%" />
</td>
<td>
<asp:RequiredFieldValidator ID="valRequireQuestion" runat="server" ControlToValidate="Question"
SetFocusOnError="true" Display="Dynamic" ErrorMessage="Security question is required."
ToolTip="Security question is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="fieldname">
<asp:Label runat="server" ID="lblAnswer" AssociatedControlID="Answer" Text="Security answer:" />
</td>
<td>
<asp:TextBox runat="server" ID="Answer" Width="100%" />
</td>
<td>
<asp:RequiredFieldValidator ID="valRequireAnswer" runat="server" ControlToValidate="Answer"
SetFocusOnError="true" Display="Dynamic" ErrorMessage="Security answer is required."
ToolTip="Security answer is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td colspan="3" style="text-align: right;">
<asp:Label ID="ErrorMessage" SkinID="FeedbackKO" runat="server" EnableViewState="False"></asp:Label>
</td>
</tr>
</table>
<asp:ValidationSummary ValidationGroup="CreateUserWizard1" ID="ValidationSummary1"
runat="server" ShowMessageBox="True" ShowSummary="False" />
</ContentTemplate>
</asp:CreateUserWizardStep>
<asp:WizardStep ID="WizardStep1" runat="server" Title="Set preferences">
<p>
All settings in this section are optional. The address information is required only
if you want to order products from our e-store. However, we ask you to fill in these
details in all cases, because they help us know our target audience, and improve
the site and its contents accordingly. Thank you for your cooperation!
</p>
<uc1:UserProfile ID="UserProfile1" runat="server" />
</asp:WizardStep>
<asp:CompleteWizardStep ID="CompleteWizardStep1" runat="server">
</asp:CompleteWizardStep>
</WizardSteps>
<MailDefinition BodyFileName="~/RegistrationMail.txt" From="clove@extremewebworks.com"
Subject="The Beer House: Your registration ">
</MailDefinition>
</asp:CreateUserWizard>