我按照Duwamish7的DuwamishConfiguration和ApplicationConfiguration自己写了个一样的配置类,怎么不读不出配置文件(web.config)里面的东西啊,web.config和我自己写的那个类是照着Duwamish7写的继承了IConfigurationSectionHandler接口

类如下:

IConfigurationSectionHandler的问题public class MCConfiguration : IConfigurationSectionHandler
web.config如下:
IConfigurationSectionHandler的问题<?xml version="1.0" encoding="utf-8" ?>
IConfigurationSectionHandler的问题
<configuration>
IConfigurationSectionHandler的问题  
<configSections>
IConfigurationSectionHandler的问题 
<section name="MCConfiguration" type="ChintMC.Common.MCConfiguration, ChintMC.Common" />
IConfigurationSectionHandler的问题  
</configSections>
IConfigurationSectionHandler的问题  
<system.web>
IConfigurationSectionHandler的问题    
<compilation 
IConfigurationSectionHandler的问题         
defaultLanguage="c#"
IConfigurationSectionHandler的问题         debug
="true"
IConfigurationSectionHandler的问题    
/>
IConfigurationSectionHandler的问题    
<customErrors 
IConfigurationSectionHandler的问题    
mode="RemoteOnly" 
IConfigurationSectionHandler的问题    
/> 
IConfigurationSectionHandler的问题    
IConfigurationSectionHandler的问题    
<authentication mode="Forms" /> 
IConfigurationSectionHandler的问题    
IConfigurationSectionHandler的问题    
<trace
IConfigurationSectionHandler的问题        
enabled="false"
IConfigurationSectionHandler的问题        requestLimit
="10"
IConfigurationSectionHandler的问题        pageOutput
="false"
IConfigurationSectionHandler的问题        traceMode
="SortByTime"
IConfigurationSectionHandler的问题  localOnly
="true"
IConfigurationSectionHandler的问题    
/>
IConfigurationSectionHandler的问题
IConfigurationSectionHandler的问题    
<sessionState 
IConfigurationSectionHandler的问题            
mode="InProc"
IConfigurationSectionHandler的问题            stateConnectionString
="tcpip=127.0.0.1:42424"
IConfigurationSectionHandler的问题            sqlConnectionString
="data source=127.0.0.1;user id=sa;password="
IConfigurationSectionHandler的问题            cookieless
="false" 
IConfigurationSectionHandler的问题            timeout
="20" 
IConfigurationSectionHandler的问题    
/>
IConfigurationSectionHandler的问题
IConfigurationSectionHandler的问题    
<globalization 
IConfigurationSectionHandler的问题            
requestEncoding="utf-8" 
IConfigurationSectionHandler的问题            responseEncoding
="utf-8" 
IConfigurationSectionHandler的问题   
/>
IConfigurationSectionHandler的问题   
IConfigurationSectionHandler的问题 
</system.web>
IConfigurationSectionHandler的问题 
<MCConfiguration>
IConfigurationSectionHandler的问题 
<add key="ChintMC.DataAccess.OleDbdataSource" value="Provider=SQLOLEDB ;Server=192.168.207.181;Address=192.168.207.181,1433;Database=MC_DB;Uid=sa;Pwd=;" />
IConfigurationSectionHandler的问题 
<add key="ChintMC.DataAccess.ConnectionString" value="server=LM;User ID=sa;Password=;database=MC_DB;Connection Reset=FALSE" />
IConfigurationSectionHandler的问题 
</MCConfiguration>
IConfigurationSectionHandler的问题
IConfigurationSectionHandler的问题
</configuration>

麻烦指点一下吧,报的错是 字符串没有实例化

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