Sunday, 17 March 2013

Form Authentication Example



  mylogin.aspx page

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
   
        Enter the user name:&nbsp;&nbsp;&nbsp;&nbsp;
        <asp:TextBox ID="txtusername" runat="server"></asp:TextBox>
        <br />
        <br />
        Enter the password:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <asp:TextBox ID="txtpassword" runat="server"></asp:TextBox>
   
    </div>
    <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Login" />
    </form>
</body>
</html>

----------------------------------------------------------------
mylogin.aspx.cs

 protected void Page_Load(object sender, EventArgs e)
    {
        if (FormsAuthentication.Authenticate(txtusername.Text, txtpassword.Text))
            FormsAuthentication.RedirectFromLoginPage(txtusername.Text, false);//login page display before running any page  //becuase of false cookies not store




    }


-------------------------------------------------------------------------

web.config code

<system.web>


<authentication mode="Forms">
   
                <forms loginUrl="mylogin.aspx" name="abc">
                    <credentials passwordFormat="Clear">
                          <user name="john" password="jim" />
                          <user name="sunita" password="sim" />
                    </credentials>
              </forms>
    </authentication>
    <authorization>
      <allow users="sunita" />
      <allow roles="hr"/>
      <deny users="*" />
    </authorization>

  </system.web>

---------------------------------------------
  <deny users="*" /> expect sunita all user denied

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