表單身份驗證太多重定向問題

Question

我有一個使用表單身份驗證的網站。出於某種原因，它在第一次運行時可以正常工作。但在第二次運行中，它說太多的重定向錯誤。

Loginpage：Load事件

protected void Page_Load(object sender, EventArgs e) 
      { 
       if (Request.IsAuthenticated) 
       { 
        Response.Redirect("HomePage.aspx"); 
       } 

      } 

登錄頁面提交憑據

protected void btnSubmit_Click(object sender, EventArgs e) 
     { 
      int recordExistCount = fc.Authenticate(txtUsername.Text.Trim(), txtPassword.Text.Trim()); 
      if (recordExistCount == 1) 
      { 
       Session["User"] = "Authenticated"; 
       Session["Username"] = txtUsername.Text.Trim(); 
       fc.IsOnlineRecord(Session["Username"].ToString(),true); 
       FormsAuthentication.RedirectFromLoginPage(Session["Username"].ToString(), true); 
       Response.Redirect("HomePage.aspx"); 
      } 
      else 
      { 
       lblStatus.Text = "Username or password specified are incorrect"; 
       lblStatus.BackColor = Color.Yellow;    
      } 
     } 

母版signout按鈕

protected void lbSignOut_Click(object sender, EventArgs e) 
     { 
      Session.Abandon(); 
      FormsAuthentication.SignOut(); 
      Response.Redirect("LoginPage.aspx"); 
     } 

Answer 1

試試這個

在LoginPage.aspx

protected void Page_Load(object sender, EventArgs e) 
{ 
    if (Request.QueryString["action"] != null && Request.QueryString["action"] == "logout") 
    { 
     Session.Abandon(); 
     FormsAuthentication.SignOut(); 
    } 
    else 
    { 
     if (HttpContext.Current.User.IsAuthenticated) 
     { 
      Response.Redirect("HomePage.aspx"); 
     } 
    } 
} 

protected void btnSubmit_Click(object sender, EventArgs e) 
{ 
    int recordExistCount = fc.Authenticate(txtUsername.Text.Trim(), txtPassword.Text.Trim()); 
    if (recordExistCount == 1) 
    { 
     Session["User"] = "Authenticated"; 
     Session["Username"] = txtUsername.Text.Trim(); 
     fc.IsOnlineRecord(Session["Username"].ToString(), true); 
     FormsAuthentication.RedirectFromLoginPage(Session["Username"].ToString(), true); 
    } 
    else 
    { 
     lblStatus.Text = "Username or password specified are incorrect"; 
     lblStatus.BackColor = Color.Yellow; 
    } 
} 

而且在母版標記，放置一個asp:LoginStatus這樣

<asp:LoginStatus ID="AdminLoginStatus" runat="server" 
     LogoutAction="RedirectToLoginPage" 
     LogoutText="Log Out" 
     LogoutPageUrl="~/LoginPage.aspx?action=logout"/>