App.config:
<appSettings>
<add key="FCPConnection" value="Data Source=192.168.1.88;Initial Catalog=EMRCP;User Id=sa;Password=123456;" />
<add key="FCPConnectionType" value="SQLSERVER" />
<add key="OutPutErrorMessage" value="False" />
<add key="CertName" value="WCFSecurityServerPK"/>
<add key="ServicePath" value="E:\updatefiles\"/>
</appSettings>
后台代码获取：
ConfigurationManager.AppSettings["ServicePath"].ToString().Trim();