MembershipUser.PasswordQuestion Propiedad

  • Referencia

Definición

Espacio de nombres:
System.Web.Security
Ensamblado:
System.Web.dll
Ensamblado:
System.Web.ApplicationServices.dll

Obtiene la pregunta de contraseña del usuario de pertenencia.

public:
 virtual property System::String ^ PasswordQuestion { System::String ^ get(); };
public virtual string PasswordQuestion { get; }
member this.PasswordQuestion : string
Public Overridable ReadOnly Property PasswordQuestion As String

Valor de propiedad

String

Pregunta de contraseña del usuario de pertenencia.

Ejemplos

En el ejemplo de código siguiente se restablece la contraseña de un usuario si proporciona la respuesta de contraseña adecuada. Para PasswordQuestion el usuario se muestra como recordatorio para el usuario de la respuesta de 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">

MembershipUser u;

public void Page_Load(object sender, EventArgs args)
{
  if (!Membership.EnablePasswordReset)
  {
    FormsAuthentication.RedirectToLoginPage();
  }

  Msg.Text = "";

  if (!IsPostBack)
  {
    Msg.Text = "Please supply a username.";
  }
  else
  {
    VerifyUsername();
  }
}


public void VerifyUsername()
{
    u = Membership.GetUser(UsernameTextBox.Text, false);

    if (u == null)
    {
      Msg.Text = "Username " + Server.HtmlEncode(UsernameTextBox.Text) + " not found. Please check the value and re-enter.";

      QuestionLabel.Text = "";
      QuestionLabel.Enabled = false;
      AnswerTextBox.Enabled = false;
      ResetPasswordButton.Enabled = false;
    }
    else
    {
      QuestionLabel.Text = u.PasswordQuestion;
      QuestionLabel.Enabled = true;
      AnswerTextBox.Enabled = true;
      ResetPasswordButton.Enabled = true;
    }
}

public void ResetPassword_OnClick(object sender, EventArgs args)
{
  string newPassword;
  u = Membership.GetUser(UsernameTextBox.Text, false);

  if (u == null)
  { 
    Msg.Text = "Username " + Server.HtmlEncode(UsernameTextBox.Text) + " not found. Please check the value and re-enter.";
    return;
  }

  try
  {
    newPassword = u.ResetPassword(AnswerTextBox.Text);
  }
  catch (MembershipPasswordException e)
  {
    Msg.Text = "Invalid password answer. Please re-enter and try again.";
    return;
  }
  catch (Exception e)
  {
    Msg.Text = e.Message;
    return;
  }

  if (newPassword != null)
  {
    Msg.Text = "Password reset. Your new password is: " + Server.HtmlEncode(newPassword);
  }
  else
  {
    Msg.Text = "Password reset failed. Please re-enter your values and try again.";
  }
}


</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Reset Password</title>
</head>
<body>

<form id="form1" runat="server">
  <h3>Retrieve Password</h3>

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

  Username: <asp:Textbox id="UsernameTextBox" Columns="30" runat="server" AutoPostBack="true" />
            <asp:RequiredFieldValidator id="UsernameRequiredValidator" runat="server"
                                        ControlToValidate="UsernameTextBox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /><br />

  Password Question: <b><asp:Label id="QuestionLabel" runat="server" /></b><br />

  Answer: <asp:TextBox id="AnswerTextBox" Columns="60" runat="server" Enabled="false" />
          <asp:RequiredFieldValidator id="AnswerRequiredValidator" runat="server"
                                      ControlToValidate="AnswerTextBox" ForeColor="red"
                                      Display="Static" ErrorMessage="Required" Enabled="false" /><br />

  <asp:Button id="ResetPasswordButton" Text="Reset Password" 
              OnClick="ResetPassword_OnClick" runat="server" Enabled="false" />

</form>

</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 u As MembershipUser

Public Sub Page_Load(sender As Object, args As EventArgs)
  If Not Membership.EnablePasswordReset Then
    FormsAuthentication.RedirectToLoginPage()
  End If

  Msg.Text = ""

  If Not IsPostBack Then
    Msg.Text = "Please supply a username."
  Else
    VerifyUsername()
  End If
End Sub

Public Sub VerifyUsername()
    u = Membership.GetUser(UsernameTextBox.Text, False)

    If u Is Nothing Then
      Msg.Text = "Username " & Server.HtmlEncode(UsernameTextBox.Text) & " not found. Please check the value and re-enter."

      QuestionLabel.Text = ""
      QuestionLabel.Enabled = False
      AnswerTextBox.Enabled = False
      ResetPasswordButton.Enabled = False
    Else
      QuestionLabel.Text = u.PasswordQuestion
      QuestionLabel.Enabled = True
      AnswerTextBox.Enabled = True
      ResetPasswordButton.Enabled = True
    End If
End Sub

Public Sub ResetPassword_OnClick(sender As Object, args As EventArgs)
  Dim newPassword As String
  u = Membership.GetUser(UsernameTextBox.Text, False)

  If u Is Nothing Then
    Msg.Text = "Username " & Server.HtmlEncode(UsernameTextBox.Text) & " not found. Please check the value and re-enter."
    Return
  End If

  Try
    newPassword = u.ResetPassword(AnswerTextBox.Text)
  Catch e As MembershipPasswordException
    Msg.Text = "Invalid password answer. Please re-enter and try again."
    Return
  Catch e As Exception
    Msg.Text = e.Message
    Return
  End Try

  If Not newPassword Is Nothing Then
    Msg.Text = "Password reset. Your new password is: " & Server.HtmlEncode(newPassword)
  Else
    Msg.Text = "Password reset failed. Please re-enter your values and try again."
  End If
End Sub


</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Reset Password</title>
</head>
<body>

<form id="form1" runat="server">
  <h3>Retrieve Password</h3>

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

  Username: <asp:Textbox id="UsernameTextBox" Columns="30" runat="server" AutoPostBack="True" />
            <asp:RequiredFieldValidator id="UsernameRequiredValidator" runat="server"
                                        ControlToValidate="UsernameTextBox" ForeColor="red"
                                        Display="Static" ErrorMessage="Required" /><br />

  Password Question: <b><asp:Label id="QuestionLabel" runat="server" /></b><br />

  Answer: <asp:TextBox id="AnswerTextBox" Columns="60" runat="server" Enabled="False" />
          <asp:RequiredFieldValidator id="AnswerRequiredValidator" runat="server"
                                      ControlToValidate="AnswerTextBox" ForeColor="red"
                                      Display="Static" ErrorMessage="Required" Enabled="False" /><br />

  <asp:Button id="ResetPasswordButton" Text="Reset Password" 
              OnClick="ResetPassword_OnClick" runat="server" Enabled="False" />

</form>

</body>
</html>

Comentarios

Si RequiresQuestionAndAnswer es true, la respuesta de contraseña de un usuario de pertenencia debe proporcionarse a los GetPassword métodos y ResetPassword . PasswordQuestion sirve como recordatorio para el usuario de pertenencia de la respuesta de su contraseña. Una vez que el usuario de pertenencia ha proporcionado una respuesta de contraseña, el valor de la respuesta se puede proporcionar al GetPassword método o ResetPassword .

Se aplica a

Consulte también