v9.7.2018.0421 支持运行时修改DAL连接字符串
namespace NewLife.Remoting { /// <summary>定义异常筛选器所需的方法。</summary> public interface IExceptionFilter { /// <summary>在发生异常时调用。</summary> /// <param name="filterContext">筛选器上下文。</param> void OnException(ExceptionContext filterContext); } }