次の方法で共有

RolePrincipal.Identity プロパティ

  • リファレンス

定義

名前空間:
System.Web.Security
アセンブリ:
System.Web.dll

現在の HTTP 要求のセキュリティ ID を取得します。

public:
 property System::Security::Principal::IIdentity ^ Identity { System::Security::Principal::IIdentity ^ get(); };
public:
 virtual property System::Security::Principal::IIdentity ^ Identity { System::Security::Principal::IIdentity ^ get(); };
public System.Security.Principal.IIdentity Identity { get; }
public override System.Security.Principal.IIdentity Identity { get; }
member this.Identity : System.Security.Principal.IIdentity
Public ReadOnly Property Identity As IIdentity
Public Overrides ReadOnly Property Identity As IIdentity

プロパティ値

IIdentity

現在の HTTP 要求のセキュリティ ID。

実装

Identity

例

次の例では、ロール管理が有効になっている場合に、現在のユーザーのロール キャッシュ情報を表示します。 ロール管理を有効にする方法については、 クラスを Roles 参照してください。

<%@ 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 Page_Load()
{

  try
  {
    RolePrincipal r = (RolePrincipal)User;

    IsCachedLabel.Text     = r.IsRoleListCached.ToString();
    CacheChangedLabel.Text = r.CachedListChanged.ToString();
    ExpiredLabel.Text      = r.Expired.ToString();
    VersionLabel.Text      = r.Version.ToString();
    IssueDateLabel.Text    = r.IssueDate.ToString();
    ExpireDateLabel.Text   = r.ExpireDate.ToString();
    CookiePathLabel.Text   = r.CookiePath;

    Msg.Text = "";
  }
  catch (InvalidCastException)
  {
    Msg.Text = "User is not of type RolePrincipal. Are roles enabled?";
  }

}

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

<form id="form1" runat="server">

  Role Information for <b><%=User.Identity.Name%></b>.<br />

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

  <table border="1" cellpadding="4" cellspacing="4">
    <tr>
      <td>IsRoleListCached</td>
      <td><asp:Label id="IsCachedLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>CachedListChanged</td>  
      <td><asp:Label id="CacheChangedLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>Expired</td>
      <td><asp:Label id="ExpiredLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>Version</td>
      <td><asp:Label id="VersionLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>IssueDate</td>
      <td><asp:Label id="IssueDateLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>ExpireDate</td>
      <td><asp:Label id="ExpireDateLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>CookiePath</td>
      <td><asp:Label id="CookiePathLabel" 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 Page_Load()

    Try
    Dim r As RolePrincipal = CType(User, RolePrincipal)

    IsCachedLabel.Text     = r.IsRoleListCached.ToString()
    CacheChangedLabel.Text = r.CachedListChanged.ToString()
    ExpiredLabel.Text      = r.Expired.ToString()
    VersionLabel.Text      = r.Version.ToString()
    IssueDateLabel.Text    = r.IssueDate.ToString()
    ExpireDateLabel.Text   = r.ExpireDate.ToString()
    CookiePathLabel.Text   = r.CookiePath

    Msg.Text = ""
  Catch e As InvalidCastException
    Msg.Text = "User is not of type RolePrincipal. Are roles enabled?"
  End Try

End Sub

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

<form id="form1" runat="server">

  Role Information for <b><%=User.Identity.Name%></b>.<br />

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

  <table border="1" cellpadding="4" cellspacing="4">
    <tr>
      <td>IsRoleListCached</td>
      <td><asp:Label id="IsCachedLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>CachedListChanged</td>  
      <td><asp:Label id="CacheChangedLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>Expired</td>
      <td><asp:Label id="ExpiredLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>Version</td>
      <td><asp:Label id="VersionLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>IssueDate</td>
      <td><asp:Label id="IssueDateLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>ExpireDate</td>
      <td><asp:Label id="ExpireDateLabel" runat="Server" /></td>
    </tr>
    <tr>
      <td>CookiePath</td>
      <td><asp:Label id="CookiePathLabel" runat="Server" /></td>
    </tr>
  </table>

</form>


</body>
</html>

注釈

オブジェクトの RolePrincipal はIdentity、コンストラクターがRolePrincipal呼び出されたときに設定されます。

適用対象

こちらもご覧ください