我在登录后创建一个在线测验系统，当我点击注销按钮默认页面opn但是当我点击brouser后退箭头他们仍然登录 [英] I am creating a online quiz system after login when I click logout button default page opn but when I click brouser back arrow they still login

问题描述

我在登录后创建一个在线测验系统，当我点击退出按钮默认页面opn但是当我点击Brouser后退箭头他们仍然登录



什么我试过了：



登录PAge

i am creating a online quiz system after login when i click logout button default page opn but when i click Brouser back arrow they still login

What I have tried:

Login PAge

protected void btnlogin_Click(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=Quiz_system;Integrated Security=True");  
        SqlCommand cmd = new SqlCommand("select * from tbl_faculty where fac_name=@fac_name and fac_password=@fac_password", con);  
        cmd.Parameters.AddWithValue("@fac_name",UserName.Text);  
        cmd.Parameters.AddWithValue("fac_password", Password.Text);  
        SqlDataAdapter sda = new SqlDataAdapter(cmd);  
        DataTable dt = new DataTable();  
        sda.Fill(dt);  
        con.Open();  
        int i = cmd.ExecuteNonQuery();  
        con.Close();  
        if (dt.Rows.Count > 0) {  
            Session["id"] = UserName.Text;
            Response.Redirect("~/Admin/Default.aspx");  
            Session.RemoveAll();  
        } else {
            Label1.Visible = true;
            // ErrorMessage.Visible=true;
            Label1.ForeColor = System.Drawing.Color.Red; 
  
        }  
    }   
        
               Logout page

 protected void btnlogout_Click(object sender, EventArgs e)
        {
            FormsAuthentication.SignOut();
            Session.RemoveAll();
            Response.Redirect("~/Account/MainPage.aspx");
        }

推荐答案

此CodeProject提示为您的问题提供了几种替代解决方案：退出后的浏览器后退按钮问题 [ ^ ]

This CodeProject Tip offers several alternative solutions to your problem : Browser Back Button Issue After Logout[^]

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