Method cannot explicitly determine whether a profile property with a custom class type or a complex type , such as a collection , has changed 方法中调用的配置文件提供程序，它无法显式确定具有自定义类类型或复杂类型（如集合）的配置文件属性是否已更改。
If your custom class supports cookieless session identifiers , you will need to implement a solution for sending and retrieving session identifiers in the url 如果您的自定义类支持无cookie会话标识符，则需要实现一个解决方案，在url中发送和检索会话标识符。
Review and test custom classes in your web application for invalid input and requests to help ensure that privileged information will not be exposed when exceptions occur 请对web应用程序中的自定义类进行测试，查看是否存在无效的输入和请求，以帮助确保当发生异常时不会公开特权信息。
The custom classloader approach used for jdk 1 . 4 doesn t provide the full flexibility of the jdk 5 . 0 instrumentation api , but it works with all recent jvms and allows you to modify any of your application classes 用于jdk 1 . 4的自定义类加载器方法不提供jdk 5 . 0 instrumentation api的完全灵活性，但是它适用于所有最近的jvm ，并允许您修改任何应用程序类。
The app code folder and its special status in an asp . net web application makes it possible to create custom classes and other source - code - only files and use them in your web application without having to compile them independently App _ code文件夹及其在asp . net web应用程序中的特殊地位使您可以创建自定义类和其他仅源代码文件，并在web应用程序中使用它们而不必单独对它们进行编译。
