C# 获取命名空间，类，方法名

string pageName = "页面名" + System.IO.Path.GetFileName(HttpContext.Current.Request.Path);
            string fileName = "";
            fileName += "命名空间:" + System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Namespace + "；";
            fileName += "类:" + System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.FullName ;
            string method = "方法名"+System.Reflection.MethodBase.GetCurrentMethod().Name;