MembershipUser.ChangePasswordQuestionAndAnswer(String, String, String) 方法

参考

定义

命名空间:: System.Web.Security

程序集:: System.Web.dll

程序集:: System.Web.ApplicationServices.dll

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

为成员资格数据存储中的成员资格用户更新密码问题和答案。

public:
 virtual bool ChangePasswordQuestionAndAnswer(System::String ^ password, System::String ^ newPasswordQuestion, System::String ^ newPasswordAnswer);

public virtual bool ChangePasswordQuestionAndAnswer (string password, string newPasswordQuestion, string newPasswordAnswer);

abstract member ChangePasswordQuestionAndAnswer : string * string * string -> bool
override this.ChangePasswordQuestionAndAnswer : string * string * string -> bool

Public Overridable Function ChangePasswordQuestionAndAnswer (password As String, newPasswordQuestion As String, newPasswordAnswer As String) As Boolean

参数

password: String

成员资格用户的当前密码。

newPasswordQuestion: String

成员资格用户的新密码问题值。

newPasswordAnswer: String

成员资格用户的新密码答案值。

Boolean

如果更新操作成功，则为 true；否则为 false。

例外

ArgumentException

password 是一个空字符串。

- 或 -

newPasswordQuestion 是一个空字符串。

- 或 -

newPasswordAnswer 是一个空字符串。

ArgumentNullException

password 为 null。

PlatformNotSupportedException

此方法不可用。如果应用程序以 .NET Framework 4 客户端配置文件为目标，则可能会发生这种情况。若要避免此异常，请重写该方法，或将应用程序更改为面向 .NET Framework 的完整版本。

示例

以下代码示例更新当前登录用户的密码问题和答案。

重要

此示例包含一个接受用户输入的文本框，这是一个潜在的安全威胁。默认情况下，ASP.NET 网页验证用户输入是否不包含脚本或 HTML 元素。有关详细信息，请参阅脚本侵入概述。


<%@ 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">

  public void ChangePasswordQuestion_OnClick(object sender, EventArgs args)
  {
    try
    {
      MembershipUser u = Membership.GetUser(User.Identity.Name);
      Boolean result = u.ChangePasswordQuestionAndAnswer(PasswordTextbox.Text,
                                        QuestionTextbox.Text,
                                        AnswerTextbox.Text);

      if (result)
        Msg.Text = "Password Question and Answer changed.";
      else
        Msg.Text = "Password Question and Answer change failed.";
    }
    catch (Exception e)
    {
      Msg.Text = "Change failed. Please re-enter your values and try again.";
    }
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
  <title>Sample: Change Password Question and Answer</title>
</head>
<body>
  <form id="form1" runat="server">
    <h3>
      Change Password Question and Answer for
      <%=User.Identity.Name%>
    </h3>
    <asp:Label ID="Msg" ForeColor="maroon" runat="server" /><br />
    <table cellpadding="3" border="0">
      <tr>
        <td>
          Password:</td>
        <td>
          <asp:TextBox ID="PasswordTextbox" runat="server" TextMode="Password" /></td>
        <td>
          <asp:RequiredFieldValidator ID="OldPasswordRequiredValidator" runat="server" ControlToValidate="PasswordTextbox"
            ForeColor="red" Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>
          New Password Question:</td>
        <td>
          <asp:TextBox ID="QuestionTextbox" MaxLength="256" Columns="60" runat="server" /></td>
        <td>
          <asp:RequiredFieldValidator ID="QuestionRequiredValidator" runat="server" ControlToValidate="QuestionTextbox"
            ForeColor="red" Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>
          New Password Answer:</td>
        <td>
          <asp:TextBox ID="AnswerTextbox" MaxLength="128" Columns="60" runat="server" /></td>
        <td>
          <asp:RequiredFieldValidator ID="AnswerRequiredValidator" runat="server" ControlToValidate="AnswerTextbox"
            ForeColor="red" Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>
        </td>
        <td>
          <asp:Button ID="ChangePasswordQuestionButton" Text="Change Password Question and Answer"
            OnClick="ChangePasswordQuestion_OnClick" runat="server" /></td>
      </tr>
    </table>
  </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">

  Public Sub ChangePasswordQuestion_OnClick(ByVal sender As Object, ByVal args As EventArgs)
    Try
      Dim u As MembershipUser = Membership.GetUser(User.Identity.Name)
      Dim result As Boolean
      result = u.ChangePasswordQuestionAndAnswer(PasswordTextbox.Text, _
                                      QuestionTextbox.Text, _
                                      AnswerTextbox.Text)
  
      If (result = True) Then
        Msg.Text = "Password Question and Answer changed."
      Else
        Msg.Text = "Password Question and Answer change failed."
      End If
      
    Catch e As Exception
      Msg.Text = "Change failed. Please re-enter your values and try again."
    End Try
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
  <title>Sample: Change Password Question and Answer</title>
</head>
<body>
  <form id="form1" runat="server">
    <h3>
      Change Password Question and Answer for
      <%=User.Identity.Name%>
    </h3>
    <asp:Label ID="Msg" ForeColor="maroon" runat="server" /><br />
    <table cellpadding="3" border="0">
      <tr>
        <td>
          Password:</td>
        <td>
          <asp:TextBox ID="PasswordTextbox" runat="server" TextMode="Password" /></td>
        <td>
          <asp:RequiredFieldValidator ID="OldPasswordRequiredValidator" runat="server" ControlToValidate="PasswordTextbox"
            ForeColor="red" Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>
          New Password Question:</td>
        <td>
          <asp:TextBox ID="QuestionTextbox" MaxLength="256" Columns="60" runat="server" /></td>
        <td>
          <asp:RequiredFieldValidator ID="QuestionRequiredValidator" runat="server" ControlToValidate="QuestionTextbox"
            ForeColor="red" Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>
          New Password Answer:</td>
        <td>
          <asp:TextBox ID="AnswerTextbox" MaxLength="128" Columns="60" runat="server" /></td>
        <td>
          <asp:RequiredFieldValidator ID="AnswerRequiredValidator" runat="server" ControlToValidate="AnswerTextbox"
            ForeColor="red" Display="Static" ErrorMessage="Required" /></td>
      </tr>
      <tr>
        <td>
        </td>
        <td>
          <asp:Button ID="ChangePasswordQuestionButton" Text="Change Password Question and Answer"
            OnClick="ChangePasswordQuestion_OnClick" runat="server" /></td>
      </tr>
    </table>
  </form>
</body>
</html>

注解

ChangePasswordQuestionAndAnswer ChangePasswordQuestionAndAnswer调用属性引用ProviderName的成员资格提供程序的方法，以更新成员资格数据存储中成员身份用户的密码问题和答案。

成员资格提供程序可能对密码问题和答案的大小有限制。有关大小限制，请参阅成员资格提供程序的文档。

适用于

MembershipUser.ChangePasswordQuestionAndAnswer(String, String, String) 方法

定义

参数

返回

例外

示例

注解

适用于

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