登陆后显示用户名

<section id="login">
                    <asp:LoginView runat="server" ViewStateMode="enabled">
                        <LoggedInTemplate>
                            <p>
                                Hello, <a runat="server" class="username" href="~/Account/Manage.aspx" title="Manage your account">
                                    <asp:LoginName runat="server" CssClass="username" /></a>!
                                <asp:LoginStatus runat="server" LogoutAction="Redirect" LogoutText="Log off" LogoutPageUrl="~/Account/Login.aspx" />
                            </p>
                        </LoggedInTemplate>
                    </asp:LoginView>
                </section>

Session["UserName"] = ((TextBox)myLogin.FindControl("UserName")).Text;
Response.Redirect("~/Default.aspx");