le contrôle Login asp.net visual studio 2005

Bonjour, je suis l'atelier 5 de MSDN coach asp .net. Je suis à l'étape pour créer une page d'authentification. Pour ça, j'ai utiliser le contrôle Login. Mais quand j'ai lancé la page il y a une messege qui affiche:
Server Error in '/affairesansrisque' Application.
--------------------------------------------------------------------------------

Login1: LayoutTemplate does not contain an IEditableTextControl with ID UserName for the username.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: Login1: LayoutTemplate does not contain an IEditableTextControl with ID UserName for the username.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[HttpException (0x80004005): Login1: LayoutTemplate does not contain an IEditableTextControl with ID UserName for the username.]
System.Web.UI.WebControls.GenericContainer`1.FindControl(String id, Boolean required, String errorResourceKey) +279
System.Web.UI.WebControls.GenericContainer`1.FindRequiredControl(String id, String errorResourceKey) +77
System.Web.UI.WebControls.LoginContainer.get_UserNameTextBox() +60
System.Web.UI.WebControls.Login.get_UserNameInternal() +67
System.Web.UI.WebControls.Login.SetEditableChildProperties() +58
System.Web.UI.WebControls.Login.CreateChildControls() +220
System.Web.UI.Control.EnsureChildControls() +134
System.Web.UI.Control.PreRenderRecursiveInternal() +109
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Control.PreRenderRecursiveInternal() +233
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4437

--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42

Je sais pas pkoi?
Voilà le code:

Code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
 
<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="Login" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="Main" Runat="Server">
    <br /> 
    <asp:Login ID="Login2" runat="server">
        <LayoutTemplate>
            <table border="0" cellpadding="1" cellspacing="0" style="border-collapse: collapse">
                <tr>
                    <td align="left" colspan="2">
                    <h1>Vous êtes déjà membre :</h1>
                    <h2> Saisissez vos paramètres d'accès.</h2>
                    </td>
                    <td>
                        <table border="0" cellpadding="0">
                            <tr>
                                <td align="center" colspan="2">
                                    Log In</td>
                            </tr>
                            <tr>
                                <td align="right">
                                    <asp:Label ID="UserNameLabel" runat="server" AssociatedControlID="UserName">User Name:</asp:Label></td>
                                <td>
                                    <asp:TextBox 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="Login2">*</asp:RequiredFieldValidator>
                                </td>
                            </tr>
                            <tr>
                                <td align="right">
                                    <asp:Label ID="PasswordLabel" runat="server" AssociatedControlID="Password">Password:</asp:Label>
                                </td>
                                <td>
                                    <asp:TextBox ID="Password" runat="server" TextMode="Password"></asp:TextBox>
                                    <asp:RequiredFieldValidator ID="PasswordRequired" runat="server" ControlToValidate="Password"
                                        ErrorMessage="Password is required." ToolTip="Password is required." ValidationGroup="Login2">*</asp:RequiredFieldValidator>
                                </td>
                            </tr>
                            <tr>
                                <td colspan="2">
                                    <asp:CheckBox ID="RememberMe" runat="server" Text="Remember me next time." />
                                </td>
                            </tr>
                            <tr>
                                <td align="center" colspan="2" style="color: red">
                                    <asp:Literal ID="FailureText" runat="server" EnableViewState="False"></asp:Literal>
                                </td>
                            </tr>
                            <tr>
                                <td align="right" colspan="2">
                                    <asp:Button ID="LoginButton" runat="server" CommandName="Login" Text="Log In" ValidationGroup="Login2" />
                                </td>
                            </tr>
                        </table>
                    </td>
                </tr>
            </table>
        </LayoutTemplate>
    </asp:Login>
    <br />
    <br />
    <br />
    <br />
    &nbsp;
    <hr />
    <asp:CreateUserWizard ID="CreateUserWizard1" runat="server" BackColor="#EFF3FB" BorderColor="#B5C7DE" BorderStyle="Solid" BorderWidth="1px" CompleteSuccessText="Votre compte a été créé correctement" ContinueDestinationPageUrl="~/Default.aspx" Font-Names="Verdana" Font-Size="0.8em" Height="613px">
        <WizardSteps>
            <asp:CreateUserWizardStep runat="server">
                <ContentTemplate>
                    <asp:Login ID="Login1" runat="server">
                        <LayoutTemplate>
                            <table border="0" cellpadding="1" cellspacing="0" style="border-collapse: collapse">
                                <tr>
                                    <td style="width: 3px; height: 144px">
                                    </td>
                                </tr>
                            </table>
                        </LayoutTemplate>
                    </asp:Login>
                    <table border="0">
                        <tr>
                       <td align="left" colspan="2">
             <h1>Vous souhaitez devenir membre de notre espace annonces en ligne :</h1>
             <h2>Créez votre compte. Tous les champs suivants sont obligatoires pour la création de 
                      votre espace personnel.</h2>
</td>
                        </tr>
                        <tr>
                            <td align="right">
                                <asp:Label ID="UserNameLabel" runat="server" AssociatedControlID="UserName"><h3>Nom d'utilisateur:</h3></asp:Label></td>
                            <td>
                                <asp:TextBox 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="CreateUserWizard1">*</asp:RequiredFieldValidator>
                            </td>
                        </tr>
                        <tr>
                            <td align="right">
                                <asp:Label ID="PasswordLabel" runat="server" AssociatedControlID="Password"><h3>Mot de passe:</h3></asp:Label></td>
                            <td>
                                <asp:TextBox ID="Password" runat="server" TextMode="Password"></asp:TextBox>
                                <asp:RequiredFieldValidator ID="PasswordRequired" runat="server" ControlToValidate="Password"
                                    ErrorMessage="Password is required." ToolTip="Password is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
                            </td>
                        </tr>
                        <tr>
                            <td align="right">
                                <asp:Label ID="ConfirmPasswordLabel" runat="server" AssociatedControlID="ConfirmPassword"><h3>Confirmation votre mot de passe:</h3></asp:Label></td>
                            <td>
                                <asp:TextBox ID="ConfirmPassword" runat="server" TextMode="Password"></asp:TextBox>
                                <asp:RequiredFieldValidator ID="ConfirmPasswordRequired" runat="server" ControlToValidate="ConfirmPassword"
                                    ErrorMessage="Confirm Password is required." ToolTip="Confirm Password is required."
                                    ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
                            </td>
                        </tr>
                        <tr>
                            <td align="right">
                                <asp:Label ID="EmailLabel" runat="server" AssociatedControlID="Email"><h3>E-mail:</h3></asp:Label></td>
                            <td>
                                <asp:TextBox ID="Email" runat="server"></asp:TextBox>
                                <asp:RequiredFieldValidator ID="EmailRequired" runat="server" ControlToValidate="Email"
                                    ErrorMessage="E-mail is required." ToolTip="E-mail is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
                            </td>
                        </tr>
                        <tr>
                            <td align="right">
                                <asp:Label ID="QuestionLabel" runat="server" AssociatedControlID="Question"><h3>Question de sécurité:</h3></asp:Label></td>
                            <td>
                                <asp:TextBox ID="Question" runat="server"></asp:TextBox>
                                <asp:RequiredFieldValidator ID="QuestionRequired" runat="server" ControlToValidate="Question"
                                    ErrorMessage="Security question is required." ToolTip="Security question is required."
                                    ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
                            </td>
                        </tr>
                        <tr>
                            <td align="right">
                                <asp:Label ID="AnswerLabel" runat="server" AssociatedControlID="Answer"><h3>Réponse de sécurité:</h3></asp:Label></td>
                            <td>
                                <asp:TextBox ID="Answer" runat="server"></asp:TextBox>
                                <asp:RequiredFieldValidator ID="AnswerRequired" runat="server" ControlToValidate="Answer"
                                    ErrorMessage="Security answer is required." ToolTip="Security answer is required."
                                    ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator>
                            </td>
                        </tr>
                        <tr>
                            <td align="center" colspan="2" style="height: 21px">
                                <asp:CompareValidator ID="PasswordCompare" runat="server" ControlToCompare="Password"
                                    ControlToValidate="ConfirmPassword" Display="Dynamic" ErrorMessage="The Password and Confirmation Password must match."
                                    ValidationGroup="CreateUserWizard1">Le mot de passe et le mot de passe de confirmation doivent être correspondant</asp:CompareValidator>
                            </td>
                        </tr>
                        <tr>
                            <td align="center" colspan="2" style="color: red">
                                <asp:Literal ID="ErrorMessage" runat="server" EnableViewState="False"></asp:Literal>
                            </td>
                        </tr>
                    </table>
                </ContentTemplate>
            </asp:CreateUserWizardStep>            
            <asp:CompleteWizardStep runat="server">
            <ContentTemplate>
            <table border="0">
            <tr>
            <td align="left" colspan="2">
            <h3>Votre compte a été créé avec succès.
            Vous pouvez vous connecter maintenant.
            </h3>
            </td>
            </tr>
            </table>
            </ContentTemplate>
            </asp:CompleteWizardStep>
        </WizardSteps>
        <SideBarStyle BackColor="#507CD1" Font-Size="0.9em" VerticalAlign="Top" />
        <TitleTextStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
        <SideBarButtonStyle ForeColor="White" BackColor="#507CD1" Font-Names="Verdana" />
        <NavigationButtonStyle BackColor="White" BorderColor="#507CD1" BorderStyle="Solid"
            BorderWidth="1px" Font-Names="Verdana" ForeColor="#284E98" />
        <HeaderStyle BackColor="#284E98" BorderColor="#EFF3FB" BorderStyle="Solid" BorderWidth="2px"
            Font-Bold="True" Font-Size="0.9em" ForeColor="White" HorizontalAlign="Center" />
        <CreateUserButtonStyle BackColor="White" BorderColor="#507CD1" BorderStyle="Solid"
            BorderWidth="1px" Font-Names="Verdana" ForeColor="#284E98" />
        <ContinueButtonStyle BackColor="White" BorderColor="#507CD1" BorderStyle="Solid"
            BorderWidth="1px" Font-Names="Verdana" ForeColor="#284E98" />
        <StepStyle Font-Size="0.8em" />
    </asp:CreateUserWizard>
    <br />    
    <br />
    <br />
    <br />
    <span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-bidi-font-size: 12.0pt;
        mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman';
        mso-ansi-language: FR; mso-fareast-language: FR; mso-bidi-language: AR-SA"></span>
</asp:Content>

Est ce que qq1 peut m'aider?