シングル・サインオン・インスタンス

@ Page Language
=
"
C#
"
 
%>




DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
>



<
script 
runat
="server"
>



  protected 
void
 Login_Click(object sender, EventArgs e)

  {

//
        Key，      ，            。


    
//
     ，                ；           。




//
        ，  


    
//
   Key


    string sKey 
=
 UserName.Text;

//
   Cache    Key  


    string sUser 
=
 Convert.ToString(Cache[sKey]);

//
       


    
if
 (sUser 
==
 
null
 
||
 sUser 
==
 String.Empty)

    {

//
 Cache    Key   ，        ，        


      
//
        TimeSpan           ，            。


      TimeSpan SessionTimeOut 
=
 
new
 TimeSpan(
0
, 
0
, System.Web.HttpContext.Current.Session.Timeout, 
0
, 
0
);

      HttpContext.Current.Cache.Insert(sKey, sKey, 
null
, DateTime.MaxValue, SessionTimeOut,

        System.Web.Caching.CacheItemPriority.NotRemovable, 
null
);

      Session[
"
User
"
] 
=
 sKey;

//
     ，           。


      Msg.Text 
=
 
"
やあ!ようこそ【   の  しい  】へ
"
;

      Msg.Text 
+=
 
"
，      ！：）
"
;

    }

else


    {

//
   Cache          ，       ，      


      Msg.Text 
=
 
"
 し ございませんが、ログインしているようですね:-(
"
;

return
;

    }

  }


  protected 
void
 Page_Load(object sender, EventArgs e)

  {

    Time.Text 
=
 
"
      （  ）：
"
 
+
 System.Web.HttpContext.Current.Session.Timeout.ToString();

  }


  protected 
void
 Button1_Click(object sender, EventArgs e)

  {

if
 (Session[
"
User
"
]
!=
null
)

      HttpContext.Current.Cache.Remove(Session[
"
User
"
].ToString());

  }


script
>



<
html 
xmlns
="http://www.w3.org/1999/xhtml"
>


<
head 
runat
="server"
>


<
title
>
title
>



head
>


<
body
>


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


<
div 
align
="center"
>


<
h3
>
      

h3
>


<
p
>
    ：
<
asp:TextBox 
ID
="UserName"
 runat
="server"
>
asp:TextBox
>
p
>


<
p
>
    ：
<
asp:TextBox 
ID
="PassWord"
 runat
="server"
 TextMode
="Password"
>
asp:TextBox
>
p
>


<
p
>


<
asp:Button 
ID
="Login"
 runat
="server"
 Text
="      "
 OnClick
="Login_Click"
>
asp:Button
>
 

<
asp:Button 
ID
="Button1"
 runat
="server"
 Text
="    "
 onclick
="Button1_Click"
 
/>



p
>


<
p
>


<
asp:Label 
ID
="Msg"
 runat
="server"
>
asp:Label
>
p
>



div
>


<
asp:Literal 
ID
="Time"
 runat
="server"
>
asp:Literal
>



form
>



body
>



html
>