MembershipCreateUserException.StatusCode プロパティとは何？わかりやすく解説 Weblio辞書

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.NET Framework クラスライブラリリファレンス

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MembershipCreateUserException.StatusCode プロパティ

メモ : このプロパティは、.NET Framework version 2.0 で新しく追加されたものです。

例外の理由に関する説明を取得します。

名前空間: System.Web.Security
アセンブリ: System.Web (system.web.dll 内)
構文

Visual Basic (宣言)

Public ReadOnly Property
 StatusCode As MembershipCreateStatus

Visual Basic (使用法)

Dim instance As MembershipCreateUserException
Dim value As MembershipCreateStatus

value = instance.StatusCode

public MembershipCreateStatus StatusCode { get;
 }

C++

public:
property MembershipCreateStatus StatusCode {
    MembershipCreateStatus get ();
}

/** @property */
public MembershipCreateStatus get_StatusCode ()

JScript

public function get StatusCode
 () : MembershipCreateStatus

プロパティ値
例外の理由を説明する MembershipCreateStatus 列挙値。

解説

StatusCode プロパティを使用することにより、MembershipCreateUserException がスローされた理由を特定して適切に対応できます。

使用例

フォーム認証と ASP.NET メンバシップを使用するように構成された ASP.NET アプリケーションの新しいユーザーを作成するコード例を次に示します。ユーザーが正常に作成されない場合、このコードにより MembershipCreateUserException が返され、StatusCode プロパティに指定したメッセージが表示されます。

Visual Basic

<%@ Page Language="VB" %>
<%@ Import Namespace="System.Web.Security"
 %>
<script runat="server">

Public Sub CreateUser_OnClick(sender As
 Object, args As EventArgs)
  Dim result As MembershipCreateStatus
  Try
    ' Create new user.

    Dim newUser As MembershipUser
    If Membership.RequiresQuestionAndAnswer Then
      newUser  = Membership.CreateUser( _
        UsernameTextbox.Text, _
        PasswordTextbox.Text, _
        EmailTextbox.Text, _
        PasswordQuestionTextbox.Text, _
        PasswordAnswerTextbox.Text, _
        false, _
        result)
    Else
      newUser  = Membership.CreateUser( _
        UsernameTextbox.Text, _
        PasswordTextbox.Text, _
        EmailTextbox.Text)
    End If

    Response.Redirect("login.aspx")

  Catch e As MembershipCreateUserException
    Msg.Text = GetErrorMessage(e.StatusCode)
  Catch e As HttpException
    Msg.Text = e.Message
  End Try
End Sub

Public Function GetErrorMessage(status As
 MembershipCreateStatus) As String

   Select Case status
      Case MembershipCreateStatus.DuplicateUserName
        Return "Username already exists. Please
 enter a different user name."

      Case MembershipCreateStatus.DuplicateEmail
        Return "A username for that e-mail
 address already exists. Please enter a different e-mail address."

      Case MembershipCreateStatus.InvalidPassword
        Return "The password provided is invalid.
 Please enter a valid password value."

      Case MembershipCreateStatus.InvalidEmail
        Return "The e-mail address provided
 is invalid. Please check the value and try again."

      Case MembershipCreateStatus.InvalidAnswer
        Return "The password retrieval answer
 provided is invalid. Please check the value and try again."

      Case MembershipCreateStatus.InvalidQuestion
        Return "The password retrieval question
 provided is invalid. Please check the value and try again."

      Case MembershipCreateStatus.InvalidUserName
        Return "The user name provided is invalid.
 Please check the value and try again."

      Case MembershipCreateStatus.ProviderError
        Return "The authentication provider
 Returned an error. Please verify your entry and try again. If the problem persists,
 please contact your system administrator."

      Case MembershipCreateStatus.UserRejected
        Return "The user creation request has
 been canceled. Please verify your entry and try again. If the problem persists,
 please contact your system administrator."

      Case Else
        Return "An unknown error occurred.
 Please verify your entry and try again. If the problem persists, please contact
 your system administrator."
   End Select
End Function

</script>

<html>
<head>
<title>Create User</title>
</head>
<body>

<form runat="server">
  <h3>Create New User</h3>

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

  <table CellPadding="3" border="0">
    <tr>
      <td>Username:</td>
      <td><asp:Textbox id="UsernameTextbox"
 runat="server" /></td>
      <td><asp:RequiredFieldValidator id="UsernameRequiredValidator"
 runat="server"
                                      ControlToValidate="UserNameTextbox"
 ForeColor="red"
                                      Display="Static"
 ErrorMessage="Required" /></td>
    </tr>
    <tr>
      <td>Password:</td>
      <td><asp:Textbox id="PasswordTextbox"
 runat="server" TextMode="Password"
 /></td>
      <td><asp:RequiredFieldValidator id="PasswordRequiredValidator"
 runat="server"
                                      ControlToValidate="PasswordTextbox"
 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>Email Address:</td>
      <td><asp:Textbox id="EmailTextbox"
 runat="server" /></td>
      <td><asp:RequiredFieldValidator id="EmailRequiredValidator"
 runat="server"
                                      ControlToValidate="EmailTextbox"
 ForeColor="red"
                                      Display="Static"
 ErrorMessage="Required" /></td>
    </tr>


<% If Membership.RequiresQuestionAndAnswer Then
 %>

    <tr>
      <td>Password Question:</td>
      <td><asp:Textbox id="PasswordQuestionTextbox"
 runat="server" /></td>
      <td><asp:RequiredFieldValidator id="PasswordQuestionRequiredValidator"
 runat="server"
                                      ControlToValidate="PasswordQuestionTextbox"
 ForeColor="red"
                                      Display="Static"
 ErrorMessage="Required" /></td>
    </tr>
    <tr>
      <td>Password Answer:</td>
      <td><asp:Textbox id="PasswordAnswerTextbox"
 runat="server" /></td>
      <td><asp:RequiredFieldValidator id="PasswordAnswerRequiredValidator"
 runat="server"
                                      ControlToValidate="PasswordAnswerTextbox"
 ForeColor="red"
                                      Display="Static"
 ErrorMessage="Required" /></td>
    </tr>

<% End If %>


    <tr>
      <td></td>
      <td><asp:Button id="CreateUserButton"
 Text="Create User" OnClick="CreateUser_OnClick"
 runat="server" /></td>
    </tr>
  </table>
</form>

</body>
</html>

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

public void CreateUser_OnClick(object sender,
 EventArgs args)
{
  MembershipCreateStatus result;

  try
  {
    // Create new user.

    if (Membership.RequiresQuestionAndAnswer)
    {
      MembershipUser newUser = Membership.CreateUser(
        UsernameTextbox.Text, 
        PasswordTextbox.Text, 
        EmailTextbox.Text,
        PasswordQuestionTextbox.Text,
        PasswordAnswerTextbox.Text,
        false,
        out result);
    }
    else 
    {
      MembershipUser newUser = Membership.CreateUser(
        UsernameTextbox.Text, 
        PasswordTextbox.Text, 
        EmailTextbox.Text);
    }

    Response.Redirect("login.aspx");
  }
  catch (MembershipCreateUserException e)
  {
    Msg.Text = GetErrorMessage(e.StatusCode);
  }
  catch (HttpException e)
  {
    Msg.Text = e.Message;
  }
}

public string GetErrorMessage(MembershipCreateStatus
 status)
{
   switch (status)
   {
      case MembershipCreateStatus.DuplicateUserName:
        return "Username already exists. Please enter a different
 user name.";

      case MembershipCreateStatus.DuplicateEmail:
        return "A username for that e-mail
 address already exists. Please enter a different e-mail address.";

      case MembershipCreateStatus.InvalidPassword:
        return "The password provided is invalid. Please
 enter a valid password value.";

      case MembershipCreateStatus.InvalidEmail:
        return "The e-mail address provided is invalid. Please
 check the value and try again.";

      case MembershipCreateStatus.InvalidAnswer:
        return "The password retrieval answer provided is
 invalid. Please check the value and try again.";

      case MembershipCreateStatus.InvalidQuestion:
        return "The password retrieval question provided
 is invalid. Please check the value and try again.";

      case MembershipCreateStatus.InvalidUserName:
        return "The user name provided is invalid. Please
 check the value and try again.";

      case MembershipCreateStatus.ProviderError:
        return "The authentication provider returned an error.
 Please verify your entry and try again. If the problem persists,
 please contact your system administrator.";

      case MembershipCreateStatus.UserRejected:
        return "The user creation request has been canceled.
 Please verify your entry and try again. If the problem persists,
 please contact your system administrator.";

      default:
        return "An unknown error occurred. Please verify
 your entry and try again. If the problem persists, please contact
 your system administrator.";
   }
}

</script>

<html>
<head>
<title>Create User</title>
</head>
<body>

<form runat="server">
  <h3>Create New User</h3>

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

  <table CellPadding="3" border="0">
    <tr>
      <td>Username:</td>
      <td><asp:Textbox id="UsernameTextbox" runat="server"
 /></td>
      <td><asp:RequiredFieldValidator id="UsernameRequiredValidator"
 runat="server"
                                      ControlToValidate="UserNameTextbox"
 ForeColor="red"
                                      Display="Static" ErrorMessage="Required"
 /></td>
    </tr>
    <tr>
      <td>Password:</td>
      <td><asp:Textbox id="PasswordTextbox" runat="server"
 TextMode="Password" /></td>
      <td><asp:RequiredFieldValidator id="PasswordRequiredValidator"
 runat="server"
                                      ControlToValidate="PasswordTextbox"
 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>Email Address:</td>
      <td><asp:Textbox id="EmailTextbox" runat="server"
 /></td>
      <td><asp:RequiredFieldValidator id="EmailRequiredValidator"
 runat="server"
                                      ControlToValidate="EmailTextbox"
 ForeColor="red"
                                      Display="Static" ErrorMessage="Required"
 /></td>
    </tr>


<% if (Membership.RequiresQuestionAndAnswer) { %>

    <tr>
      <td>Password Question:</td>
      <td><asp:Textbox id="PasswordQuestionTextbox" runat="server"
 /></td>
      <td><asp:RequiredFieldValidator id="PasswordQuestionRequiredValidator"
 runat="server"
                                      ControlToValidate="PasswordQuestionTextbox"
 ForeColor="red"
                                      Display="Static" ErrorMessage="Required"
 /></td>
    </tr>
    <tr>
      <td>Password Answer:</td>
      <td><asp:Textbox id="PasswordAnswerTextbox" runat="server"
 /></td>
      <td><asp:RequiredFieldValidator id="PasswordAnswerRequiredValidator"
 runat="server"
                                      ControlToValidate="PasswordAnswerTextbox"
 ForeColor="red"
                                      Display="Static" ErrorMessage="Required"
 /></td>
    </tr>

<% } %>


    <tr>
      <td></td>
      <td><asp:Button id="CreateUserButton" Text="Create
 User" OnClick="CreateUser_OnClick" runat="server" /></td>
    </tr>
  </table>
</form>

</body>
</html>

プラットフォーム

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0

参照

関連項目
MembershipCreateUserException クラス
MembershipCreateUserException メンバ
System.Web.Security 名前空間
その他の技術情報
メンバシップの概要

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