Assigning a name to the user and accessing next pages : FormsAuthentication « Authentication Authorization « ASP.NET Tutorial






<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" 
    Inherits="Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Please, log in</title>
</head>

<body>
  <b style="color:red;"><asp:label runat="server" id="errorMsg"/></b>
  <br /><br />
  
  <div id="pageContent">
      <form id="Form1" runat="server">
        <table>
        <tr>
          <td><b>User ID</b></td>
          <td><asp:textbox runat="server" text="" id="userName" /></td></tr>
        <tr>
          <td><b>Password</b></td>
          <td><asp:textbox runat="server" text="" id="passWord" textmode="password" /></td></tr>
        </table>
        <asp:button ID="Button1" runat="server" text="Log In..." onclick="LogonUser" />
      </form>
  </div>
</body>
</html>

File: Default.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Web.Security;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

public partial class Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
       this.SetFocus("userName");
    }

    protected void LogonUser(object sender, EventArgs e)
    {
        bool bAuthenticated = false;
        string user = userName.Text;
        string pswd = passWord.Text;

        bAuthenticated = AuthenticateUser(user, pswd);
        if (bAuthenticated)
            FormsAuthentication.RedirectFromLoginPage(user, false);
        else
            errorMsg.Text = "Sorry, that's not it.";
    }

    private bool AuthenticateUser(string username, string pswd)
    {
        return true;
    }
}








21.10.FormsAuthentication
21.10.1.Configuring Forms Authentication
21.10.2.Use the web configuration file to change the name of the authentication cookie.
21.10.3.Using Cookieless Forms Authentication
21.10.4.Using Sliding Expiration with Forms Authentication
21.10.5.Set user name with FormsAuthentication.SetAuthCookie
21.10.6.Validate a user with FormsAuthentication.Authenticate
21.10.7.Using Forms Authentication Across Domains: Query String Authenticate
21.10.8.Web configuration file contains a list of usernames and passwords.
21.10.9.Assigning a name to the user and accessing next pages
21.10.10.Principal Login
21.10.11.Logout