登录和注销母版页 [英] Login and Logout in master page

问题描述

这里登录和注销按钮在母版页。在登录页面使用FormsAuthenticationTicket和HttpCookie，所以在主页我想检查表单认证，然后显示logout如果被认证和隐藏登录。如果未认证显示登录和隐藏退出。我如何做到这一点？

登录：

  com.CommandText =select [id]，[username]，[password]，[type] FROM [users] WHERE [username] = @ username AND [password] = @pass 
 com.Parameters.AddWithValue（@ username，UserName.Text）; 
 com.Parameters.AddWithValue（@ pass，Password.Text）; 
 // conn.Open（）; 
 SqlDataReader rd = com.ExecuteReader（）; 
 
 if（rd.Read（））
 {
 
 var _id = rd [id]。 
 
 var _fname = rd [username]。ToString（）; 
 
 FormsAuthenticationTicket ticket = new FormsAuthenticationTicket（
 
 1，
 _id，
 DateTime.Now，
 DateTime.Now.AddMonths（1） ，
 true，
。+ _fname，
 FormsAuthentication.FormsCookiePath）; 
 string hashed_ticket = FormsAuthentication.Encrypt（ticket）; 
 HttpCookie cookie = new HttpCookie（FormsAuthentication.FormsCookieName，hashed_ticket）; 
 
 if（ticket.IsPersistent）cookie.Expires = ticket.Expiration; 
 
 Response.Cookies.Add（cookie）; 
 
 Response.Redirect（UserProfile.aspx）; 
 
} 
 else 
 {
 ClientScript.RegisterStartupScript（Page.GetType（），validation，< script language ='javascript'> alert 'Invalid Username and Password'）< / script>）; 
} 
} 
  

主页HTML：

 < ul class =nav navbar-nav navbar-right> 
< li>< asp：LinkBut​​ton ID =loginrunat =server
 PostBackUrl =〜/ Login1.aspx>登录< / asp：LinkBut​​ton> < / li> 
< li> < asp：LinkBut​​ton ID =Logoutrunat =serverCausesValidation =Falseonclick =Logout_Clickstyle =text-align：right>（logout）< / asp：LinkBut​​ton>< / li> ; 
< / ul> 
  

主页后面的代码：

  if（！HttpContext.Current.User.Identity.IsAuthenticated）
 {
 Logout.Visible = false; 
 
 
} 
 else 
 {
 Logout.Visible = true; 
 if（Request.Cookies [FormsAuthentication.FormsCookiePath]！= null）
 {
 FormsIdentity user =（FormsIdentity）HttpContext.Current.User.Identity; 
 FormsAuthenticationTicket ticket = user.Ticket; 
 login.Text =您已登录+ ticket.UserData.Split（'。'）+！ 
} 
} 
  

解决方案

p> < ul class =nav navbar-nav navbar-right>
<％if（HttpContext.Current.User.Identity.IsAuthenticated）
{％>
< li> < asp：LinkBut​​ton ID =Logoutrunat =serverCausesValidation =Falseonclick =Logout_Clickstyle =text-align：right>（logout）< / asp：LinkBut​​ton>< / li> ;
<％}
else
{％>
< li>< asp：LinkBut​​ton ID =loginrunat =serverPostBackUrl =〜/ Login1.aspx>登录< / asp：LinkBut​​ton> < / li>
<％}％>
< / ul>


Here login and logout buttons in master page. In login page is using FormsAuthenticationTicket and HttpCookie, so in master page I want to check the forms authentication and then display logout if is authenticated and hide login. If not authenticated display login and hide logout. How can I do that?

Login:

com.CommandText = "select [id], [username],[password], [type] FROM [users] WHERE [username] =@username AND [password]= @pass";
com.Parameters.AddWithValue("@username", UserName.Text);
 com.Parameters.AddWithValue("@pass", Password.Text);
 //  conn.Open();
 SqlDataReader rd = com.ExecuteReader();

 if (rd.Read())
    {

    var _id = rd["id"].ToString();

    var _fname = rd["username"].ToString();

    FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(

           1,
           _id,
           DateTime.Now,
           DateTime.Now.AddMonths(1),
           true,
            "." + _fname,
           FormsAuthentication.FormsCookiePath);
        string hashed_ticket = FormsAuthentication.Encrypt(ticket);
        HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, hashed_ticket);

        if (ticket.IsPersistent) cookie.Expires = ticket.Expiration;

        Response.Cookies.Add(cookie);

            Response.Redirect("UserProfile.aspx");

       }
    else
    {
        ClientScript.RegisterStartupScript(Page.GetType(), "validation", "<script language='javascript'>alert('Invalid Username and Password')</script>");
    }
}

Master page HTML:

<ul class="nav navbar-nav navbar-right">
<li><asp:LinkButton ID="login" runat="server"
PostBackUrl="~/Login1.aspx">Login</asp:LinkButton> </li>
<li> <asp:LinkButton ID="Logout" runat="server" CausesValidation="False" onclick="Logout_Click" style="text-align: right">(logout)</asp:LinkButton></li>
</ul>

Code behind Master Page:

if (!HttpContext.Current.User.Identity.IsAuthenticated)
    {
        Logout.Visible = false;


    }
    else
    {
        Logout.Visible = true;
        if (Request.Cookies[FormsAuthentication.FormsCookiePath] != null)
        {
        FormsIdentity user = (FormsIdentity)HttpContext.Current.User.Identity;
        FormsAuthenticationTicket ticket = user.Ticket;
        login.Text = "You are logged-in  " + ticket.UserData.Split('.')+ "!";
        }
    }

解决方案

<ul class="nav navbar-nav navbar-right">
<%if(HttpContext.Current.User.Identity.IsAuthenticated)
{%>
    <li> <asp:LinkButton ID="Logout" runat="server" CausesValidation="False" onclick="Logout_Click" style="text-align: right">(logout)</asp:LinkButton></li>
<%}
else
{%>
    <li><asp:LinkButton ID="login" runat="server" PostBackUrl="~/Login1.aspx">Login</asp:LinkButton> </li>
<%}%>
</ul>

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