Form based login (C#) : Authentication « Development « ASP.Net

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ASP.Net » Development » Authentication 
Form based login (C#)


<%-- login.aspx




<%@ Import Namespace="System.Web.Security " %>
<html>
<head>
<script language="C#" runat=server>
  void Login_Click(Object Src, EventArgs E)
  {
    if (Page.IsValid)
    {
      if (txtEmail.Text == "email" && txtPwd.Text == "MyPass")
        FormsAuthentication.RedirectFromLoginPage(txtEmail.Text,false);
      else
        lblLoginMsg.Text = "Use 'email' as user name and password as MyPass. Please try again";
    }
  }
</script>

</head>
<body>
<form runat="server">
<h1>Using Form based Authentication</h1><hr>
Users Name:<br />
<asp:textbox id="txtEmail" runat=server />&nbsp;
<FONT SIZE=COLOR="RED">*</FONT>

<asp:RequiredFieldValidator 
  ControlToValidate="txtEmail"
  Display="Dynamic" 
  ErrorMessage="Login name can't be empty." 
  runat=server/>
<br />Password:<br />

<asp:textbox TextMode="Password" id="txtPwd" runat=server />
  &nbsp;<FONT SIZE=COLOR="RED">*</FONT>
  <asp:RequiredFieldValidator 
    ControlToValidate="txtPwd" 
    Display="Dynamic" 
    ErrorMessage="Password can't be left empty." 
    runat=server/>
<br />

<asp:Label 
  id="lblLoginMsg" 
  ForeColor="Red" 
  Font-Name="Verdana";   
  Font-Size="10" 
  runat=server />
<b />

<asp:button 
  id="btnLogin" 
  Text="Login"
  OnClick="Login_Click" 
  runat=Server />
</form>
</body>
</html>



--%>



<%-- default.aspx

<%@ Import Namespace="System.Web.Security " %>
<html>
<head>
<script language="C#" runat=server>
  void Page_Load(Object S, EventArgs E)
  {
    lblUser.Text = User.Identity.Name;
    lblType.Text = User.Identity.AuthenticationType;
  }

  void Logout_Click(Object S, EventArgs E)
  {
    FormsAuthentication.SignOut();
    Server.Transfer("login.aspx");
  }
</script>
</head>
<body>
<form runat="server">
    <font face="Verdana" size="4" color="navy">
    <b>Forms Authentication</b></font><hr>
    <table border=bordercolor="#FFFFFF" bgcolor="Silver" 
    cellspacing=cellpadding=4>
      <tr>
        <td><b>Current Users Name</b></td>
        <td><asp:label id=lblUser runat=server/></td>
      </tr>
      <tr>
        <td><b>Current Authentication Type</b></td>
        <TD><asp:label id=lblType runat=server/></TD>
      </tr>
    </table>
  <asp:button text="Logout" OnClick="Logout_Click" runat=server/>
</form>
</body>
</html>
--%>


<%-- web.config
<configuration>   
  <system.web>
    <authentication mode="Forms">         
      <forms name=".MyDemo" loginUrl="login.aspx" 
      protection="All" timeout="60" />
    </authentication>
    <machineKey validationKey="AutoGenerate" 
    decryptionKey="AutoGenerate" validation="SHA1"/>
    <authorization>         
      <deny users="?" />
    </authorization>
  </system.web>
</configuration>

--%>


           
       
AuthenticationForms.zip( 1 k)
Related examples in the same category
1. Displaying the authentication status in ASP.NET
2. User.Identity.IsAuthenticated (VB.net)
3. User.Identity.Name (VB.net)
4. Context User Identity Name (VB.net)
5. Get current user name and Authentication Type (VB.net)
6. Basic Authentication (C#)
7. Form and database based authentication (C#)
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