异常“
An unhandled exception of type 'System.TypeInitializationException' occurred in System.ServiceModel.dll
Additional information: The type initializer for 'System.ServiceModel.DiagnosticUtility' threw an exception.
”
原因：配置文件中有如下数据库连接。
<connectionStrings >
<add name ="ConnStrHQ" connectionString ="Data Source=.;Initial Catalog=HeadQ;Persist Security Info=True;User ID=sa;Password=sa;Max Pool Size=512" />
</connectionStrings>