会话状态

有三种处理模型:

?

1-默认是InProc

<sessionState?...?mode="InProc"?/>

2-StateServer

Start Aspnet_state.exe. You can start it manually (from the command line) by executing the following command:

net?start?aspnet_state

<configuration>
??<system.web>
????<sessionState
??????mode="StateServer"
??????stateConnectionString="tcpip=localhost:42424"
????/>
??</system.web>
</configuration>
<configuration>
??<system.web>
????<sessionState
??????mode="StateServer"
??????stateConnectionString="tcpip=192.168.1.2:42424"
????/>
??</system.web>
</configuration>
    
    

• Add the desired port number to the registry at HKEY_LOCAL_ MACHINE/System/CurrentControlSet/Services/aspnet_state/ Parameters/Port.

• Replace 42424 with the new port number in stateConnectionString.

• ?

3-
   
   
    
    SQL Server Session State
   
   
   
   
    
    

Create the database that holds the session state. The .NET Framework SDK provides a script that creates the database for you; it’s called InstallSqlState.sql. To run it,open a command prompt window and type the following command:
 
      
      
osql?-S?localhost?-U?sa?-P?-i?installsqlstate.sql
 
      
This command creates a SQL Server database named ASPState on the host machine and adds to it all the tables,stored procedures,and other infrastructure that ASP.NET uses to access the database,as shown in Figure 9-11.
 

    
    
 
Add a mode=“SQLServer” attribute and a sqlConnectionString attribute to the sessionState element in Machine.config or a local Web.config file. The latter of these two attributes provides the information ASP.NET needs to connect to the database
 

   
   

<configuration>
??<system.web>
????<sessionState
??????mode="SQLServer"
??????sqlConnectionString="server=localhost;uid=sa;pwd="
????/>
??</system.web>
</configuration>

后两种会话状态需要对象的串行化.利用..net平台强大的串行化机制.

<sessionState?timeout="60" />

Session.Abandon?();

<%@?Page?EnableSessionState="false" %>

<sessionState?mode="Off" />

（编辑：李大同）

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