MembershipUser.LastPasswordChangedDate Propiedad

Definición

Obtiene la fecha y la hora en que se actualizó por última vez la contraseña del usuario de pertenencia.

public:
 virtual property DateTime LastPasswordChangedDate { DateTime get(); };
public virtual DateTime LastPasswordChangedDate { get; }
member this.LastPasswordChangedDate : DateTime
Public Overridable ReadOnly Property LastPasswordChangedDate As DateTime

Valor de propiedad

Fecha y hora en que se actualizó por última vez la contraseña del usuario de pertenencia.

Ejemplos

En el ejemplo de código siguiente se muestra una página de inicio de sesión que indica que una contraseña ha expirado después de un número especificado de días. LastPasswordChangedDate Si es anterior a la fecha y hora actuales menos el número de días especificados para la expiración de una contraseña, se le dirigirá al usuario para cambiar su contraseña.

Importante

Este ejemplo contiene un cuadro de texto que acepta la entrada del usuario, que es una amenaza de seguridad potencial. De forma predeterminada, ASP.NET Web Pages valida que los datos proporcionados por el usuario no incluyen elementos HTML ni de script. Para más información, consulte Información general sobre los ataques mediante scripts.

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>

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

double passwordExpiresDays = 90;

public void Login_OnClick(object sender, EventArgs args)
{
   MembershipUser u = Membership.GetUser(UsernameTextbox.Text);

   if (u == null)
   {
     Msg.Text = "Invalid user name. Please check your user name and try again.";
     return;
   }

   if (Membership.ValidateUser(UsernameTextbox.Text, PasswordTextbox.Text))
   {
      if (u.LastPasswordChangedDate.AddDays(passwordExpiresDays) < DateTime.Now)
      {
        Msg.Text = "Your password has expired. Please change your password to a new value.";
        UsernameLabel.Text = UsernameTextbox.Text;
        ChangePasswordPanel.Visible = true;
        LoginPanel.Visible = false;
      }
      else
      {
        FormsAuthentication.RedirectFromLoginPage(UsernameTextbox.Text, NotPublicCheckBox.Checked);
      }
   }
   else
   {
     Msg.Text = "Invalid password. Please check your password and try again.";
   }
}

public void ChangePassword_OnClick(object sender, EventArgs args)
{
  // Update the password.

  MembershipUser u = Membership.GetUser(UsernameLabel.Text);

  if (u.ChangePassword(OldPasswordTextbox.Text, NewPasswordTextbox.Text))
  {
    Msg.Text = "Password changed.";
    ChangePasswordPanel.Visible = false;
    LoginPanel.Visible = true;
  }
  else
  {
    Msg.Text = "Password change failed. Please re-enter your values and try again.";
  }
}

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
  <title>Login</title>
</head>
<body>

<form id="form1" runat="server">
  <h3>Login</h3>

  <asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />

  <asp:Panel id="LoginPanel" runat="Server">

    Username: <asp:Textbox id="UsernameTextbox" runat="server" /><br />
    Password: <asp:Textbox id="PasswordTextbox" runat="server" TextMode="Password" /><br />
 
    <asp:Button id="LoginButton" Text="Login" OnClick="Login_OnClick" runat="server" />
    <asp:CheckBox id="NotPublicCheckBox" runat="server" /> Check here if this is <span style="text-decoration:underline">not</span> a public computer.

  </asp:Panel>

  <asp:Panel id="ChangePasswordPanel" runat="Server" Visible="False">
    <table cellpadding="3" border="0">
      <tr>
        <td>Username:</td>
        <td><b><asp:Label id="UsernameLabel" runat="server" /></b></td>
        <td></td>
      </tr>
      <tr>
        <td>Old Password:</td>
        <td><asp:Textbox id="OldPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="OldPasswordRequiredValidator" runat="server"
                                        ControlToValidate="OldPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Password:</td>
        <td><asp:Textbox id="NewPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordRequiredValidator" runat="server"
                                        ControlToValidate="NewPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Confirm Password:</td>
        <td><asp:Textbox id="PasswordConfirmTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordConfirmRequiredValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" />
            <asp:CompareValidator id="PasswordConfirmCompareValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ControlToCompare="PasswordTextBox"
                                        ErrorMessage="Confirm password must match password." />
        </td>
      </tr>
      <tr>
        <td></td>
        <td><asp:Button id="ChangePasswordButton" Text="Change Password" 
                        OnClick="ChangePassword_OnClick" runat="server" /></td>
      </tr>
    </table>
  </asp:Panel>

</form>
<br />

</body>
</html>
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Web.Security" %>

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

Dim passwordExpiresDays As Double = 90

Public Sub Login_OnClick(sender As Object, args As EventArgs)

   Dim u As MembershipUser = Membership.GetUser(UsernameTextbox.Text)

   If u Is Nothing Then
     Msg.Text = "Invalid user name. Please check your user name and try again."
     Return
   End If

   If Membership.ValidateUser(UsernameTextbox.Text, PasswordTextbox.Text) Then
      If u.LastPasswordChangedDate.AddDays(passwordExpiresDays) < DateTime.Now Then
        Msg.Text = "Your password has expired. Please change your password to a new value."
        UsernameLabel.Text = UsernameTextbox.Text
        ChangePasswordPanel.Visible = True
        LoginPanel.Visible = False
      Else
        FormsAuthentication.RedirectFromLoginPage(UsernameTextbox.Text, NotPublicCheckBox.Checked)
      End If
   Else
     Msg.Text = "Invalid password. Please check your password and try again."
   End If
End Sub

Public Sub ChangePassword_OnClick(sender As Object, args As EventArgs)

  ' Update the password.

  Dim u As MembershipUser = Membership.GetUser(UsernameLabel.Text)

  If u.ChangePassword(OldPasswordTextbox.Text, NewPasswordTextbox.Text) Then
    Msg.Text = "Password changed."
    ChangePasswordPanel.Visible = False
    LoginPanel.Visible = True
  Else
    Msg.Text = "Password change failed. Please re-enter your values and try again."
  End If
End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
  <title>Login</title>
</head>
<body>

<form id="form1" runat="server">
  <h3>Login</h3>

  <asp:Label id="Msg" ForeColor="maroon" runat="server" /><br />

  <asp:Panel id="LoginPanel" runat="Server">

    Username: <asp:Textbox id="UsernameTextbox" runat="server" /><br />
    Password: <asp:Textbox id="PasswordTextbox" runat="server" TextMode="Password" /><br />
 
    <asp:Button id="LoginButton" Text="Login" OnClick="Login_OnClick" runat="server" />
    <asp:CheckBox id="NotPublicCheckBox" runat="server" /> Check here if this is <span style="text-decoration:underline">not</span> a public computer.

  </asp:Panel>

  <asp:Panel id="ChangePasswordPanel" runat="Server" Visible="False">
    <table cellpadding="3" border="0">
      <tr>
        <td>Username:</td>
        <td><b><asp:Label id="UsernameLabel" runat="server" /></b></td>
        <td></td>
      </tr>
      <tr>
        <td>Old Password:</td>
        <td><asp:Textbox id="OldPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="OldPasswordRequiredValidator" runat="server"
                                        ControlToValidate="OldPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Password:</td>
        <td><asp:Textbox id="NewPasswordTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordRequiredValidator" runat="server"
                                        ControlToValidate="NewPasswordTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>Confirm Password:</td>
        <td><asp:Textbox id="PasswordConfirmTextbox" runat="server" TextMode="Password" /></td>
        <td><asp:RequiredFieldValidator id="PasswordConfirmRequiredValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" />
            <asp:CompareValidator id="PasswordConfirmCompareValidator" runat="server"
                                        ControlToValidate="PasswordConfirmTextbox" ForeColor="red"
                                        Display="Static" ControlToCompare="PasswordTextBox"
                                        ErrorMessage="Confirm password must match password." />
        </td>
      </tr>
      <tr>
        <td></td>
        <td><asp:Button id="ChangePasswordButton" Text="Change Password" 
                        OnClick="ChangePassword_OnClick" runat="server" /></td>
      </tr>
    </table>
  </asp:Panel>

</form>
<br />

</body>
</html>

Comentarios

SqlMembershipProvider establece la CreationDatefecha , LastLoginDate, LastActivityDatey LastPasswordChangedDate en la misma fecha y hora en que el CreateUser método crea un usuario de pertenencia.

Se aplica a

Consulte también