如果读者在站点管理员上阅读

Question

嗯，我试图在站点管理员上登录，它工作正常.. 但在登录时我想要一个标签来存储一些东西.. 一些东西消失了

这是我的站长代码..

<form id="Form1" runat="server">
    <div class="wrap">
        <div class="headerwrap">
            <div class="logo"><a href="<%= Page.ResolveUrl("~/Default.aspx") %>"><img width="70%" height="85%" src="<%= Page.ResolveUrl("~/images/hiremelogo.png") %>" /></a></div>
            <div id="container">
            <a href="<%= Page.ResolveUrl("~/Default.aspx?logout=1") %>"><div class="logout" id="logout" runat="server"><div class ="text">Logout</div></div></a>

            <!-- Login Starts Here -->
            <div runat="server" id="loginContainer">
                <a href="#" id="loginButton"><span>Login</span><em></em></a>
                <div style="clear:both"></div>
                <div id="loginBox">        
                <div class="loginForm">        
                    <form id="loginForm">
                        <fieldset id="body" class="bodyy">
                            <fieldset>
                                <label for="email">Username</label>
                                <asp:TextBox name="email" id="email" type="text" runat="server"></asp:TextBox>
                            </fieldset>
                            <fieldset>
                                <label for="password">Password</label>
                                <asp:TextBox type="password" name="password" id="password" runat="server"></asp:TextBox>
                            </fieldset>
                            <asp:Button id="login" class="loginbutton" runat="server" Text="Sign in" onclick="login_Click" />
                        </fieldset>
                        <span><a href="#">Forgot your password?</a></span>
                    </form>
                    </div>
                </div>
            </div>
            <!-- Login Ends Here -->
        </div>
        </div>

        <div id="div1" runat="server"></div>
        <div id="div2" runat="server"></div>
        <div id="div3" runat="server"></div>

        <div class="menuwrap">
        <div class="menu_simple">
        <ul>
            <li><a href="#">Home</a></li>
            <li><a href="#">Jobs</a></li>
            <li><a href="#">Seekers</a></li>
            <li><a href="#">Employers</a></li>
            <li><a href="#">News</a></li>
            <li><a href="#">About Us</a></li>
            <li><a href="#">Contact Us</a></li>
        </ul>
        </div>
        </div>



            <asp:ContentPlaceHolder ID="MainContent" runat="server"/>


        <div class="breakline"></div>

        <div class="footerwrap">
        <div id="asdasd" runat="server"></div>
            <asp:Label ID="Label1" runat="server"></asp:Label>
        </div>

    </div>
    </form>

我的 C# 代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Web.Configuration;

public partial class hireme : System.Web.UI.MasterPage
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Request.QueryString["logout"] != null)
        {
            Response.Cookies["UserSettings"]["admin1"] = "";
            Response.Cookies["UserSettings"]["admin2"] = "";
            Response.Cookies["UserSettings"]["username"] = "";
            Response.Cookies["UserSettings"]["username1"] = "";
            Response.Cookies["UserSettings"]["sid"] = "";
            Response.Cookies["UserSettings"]["eid"] = "";
            Response.Redirect(Request.ServerVariables["SCRIPT_NAME"].ToString());
        }

    }
    protected void login_Click(object sender, EventArgs e)
    {


        if (USER(email.Text).Equals(true))
        {
            SqlConnection myConn, myConn2;
            SqlCommand myCommand, myCommand2;
            SqlDataReader myReader, myReader2;
            String SQL, SQL2;
            myConn = new SqlConnection(WebConfigurationManager.ConnectionStrings["ApplicationServices"].ToString());
            myConn2 = new SqlConnection(WebConfigurationManager.ConnectionStrings["ApplicationServices"].ToString());

            myConn.Open();
            myConn2.Open();
            SQL = "SELECT * FROM seekers WHERE s_username = @user AND s_password = @pass";
            SQL2 = "SELECT * FROM employers WHERE e_username = @user AND e_password = @pass";
            myCommand = new SqlCommand(SQL, myConn);
            myCommand2 = new SqlCommand(SQL2, myConn2);
            myCommand.Parameters.AddWithValue("@user", email.Text);
            myCommand.Parameters.AddWithValue("@pass", password.Text);
            myCommand2.Parameters.AddWithValue("@user", email.Text);
            myCommand2.Parameters.AddWithValue("@pass", password.Text);
            myReader = myCommand.ExecuteReader();
            myReader2 = myCommand2.ExecuteReader();


            if (myReader.Read())
            {

                div1.InnerText = "Login Success!";
                Response.Cookies["UserSettings"]["username"] = email.Text;
                Response.Cookies["UserSettings"]["sid"] = myReader["s_id"].ToString();
                Response.Cookies["UserSettings"]["eid"] = "0";
                logout.Visible = false;
                Label1.Text = "TEST";
                Response.Redirect("~/Default.aspx");


            }
            else
            {
                asdasd.InnerText = "S Fail";
                div1.Visible = true;
                div2.Visible = false;
                div3.Visible = false;
                div1.InnerHtml = "<br><div class='alert alert-error'>Invalid Username/Password!</div>";
            }



            myConn.Close();


        }
        else
        {
            asdasd.InnerText = "Full Fail";
            div1.Visible = true;
            div2.Visible = false;
            div3.Visible = false;
            div1.InnerHtml = "<br><div class='alert alert-error'>You are not Registered! Please Register first to use the Service</div>";
        }

    }

    public Boolean USER(String username)
    {
        SqlConnection myConn;
        SqlCommand myCommand;
        SqlDataReader myReader;
        String SQL;
        myConn = new SqlConnection(WebConfigurationManager.ConnectionStrings["ApplicationServices"].ToString());

        myConn.Open();
        SQL = "SELECT * FROM seekers WHERE s_username = @user";
        myCommand = new SqlCommand(SQL, myConn);
        myCommand.Parameters.AddWithValue("@user", email.Text);
        myReader = myCommand.ExecuteReader();

        if (myReader.Read())
        {
            myConn.Close();
            return true;
        }
        else
        {
            myConn.Close();
            return false;
        }
    }


}

嗯，登录工作正常，我可以在我的默认页面上检索 cookie 值，问题是 Label1 没有更新并且注销仍然可见..

我不确定我在这里做错了什么..

任何帮助都是可能的......！

Answer 1

您的登录过程以重定向到另一个页面结束：

Response.Redirect("~/Default.aspx");

在当前页面上设置值，不会做任何事情。浏览器只会重定向到默认页面。

解决方案是检查默认页面的负载是否用户已登录，并通过显示正确的面板对此做出反应。