MembershipUser.LastPasswordChangedDate Özellik
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
Üyelik kullanıcı parolasının son güncelleştirilme tarihini ve saatini alır.
public:
virtual property DateTime LastPasswordChangedDate { DateTime get(); };
public virtual DateTime LastPasswordChangedDate { get; }
member this.LastPasswordChangedDate : DateTime
Public Overridable ReadOnly Property LastPasswordChangedDate As DateTime
Özellik Değeri
Üyelik kullanıcı parolasının son güncelleştirildiği tarih ve saat.
Örnekler
Aşağıdaki kod örneği, belirtilen sayıda gün sonra parolanın süresinin dolduğunu gösteren bir oturum açma sayfasını gösterir. LastPasswordChangedDate geçerli tarih ve saatten eskiyse ve parolanın sona erme tarihi için belirtilen gün sayısı eksiyse, kullanıcı parolasını değiştirmeye yönlendirilir.
Önemli
Bu örnek, olası bir güvenlik tehdidi olan kullanıcı girişini kabul eden bir metin kutusu içerir. Varsayılan olarak, ASP.NET Web sayfaları kullanıcı girişinin betik veya HTML öğeleri içermediğini doğrular. Daha fazla bilgi için bkz . Betik Açıklarına Genel Bakış.
<%@ 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>
Açıklamalar
, , , ve tarihlerini, yöntemi tarafından CreateUser üyelik kullanıcısının oluşturulduğu tarih ve saate ayarlarCreationDate.LastPasswordChangedDateLastActivityDateLastLoginDateSqlMembershipProvider