It lets you store system error logs and configuration information from the installer to a floppy , or download them using a web browser 它让您保存安装程序的系统错误记录和配置信息到软盘，或者用网络浏览器下载。
Error codes identify events that contain information about two kinds of errors : errors specifically related to a web request and systemic errors 错误代码标识包含的信息与两类错误有关的事件，这两类错误是：专门与web请求相关的错误和系统错误。
System errors during calls to windows dynamic - link libraries dlls do not raise exceptions and cannot be trapped with visual basic error trapping 调用windows动态链接库( dll )时产生的系统错误并不引发异常，因而无法使用visual basic错误捕获机制进行捕获。
1 . in text , ntext , and image data , a data block is the unit of data transferred at one time between an application and an instance of sql server 数据库、文件组、文件或事务日志的副本，可用于恢复数据（通常在出现严重的数据库错误或系统错误之后进行） 。
Visual basic errors are in the range 065535 ; the range 0512 is reserved for system errors ; the range 51365535 is available for user - defined errors Visual basic错误处于0到65535的范围内范围0到512保留用于系统错误范围513到65535则用于用户定义的错误。
Raiserror is used to return messages back to applications using the same format as a system error or warning message generated by the sql server database engine Raiserror用于将与sql server数据库引擎生成的系统错误或警告消息使用相同格式的消息返回到应用程序中。
It writes your string argument to stderr standard error , followed by a colon and a space , then the system error message followed by a newline 它先将您的字符串参数写至标准错误（提供它用于定制消息） ，接下来写入一个冒号和一个空格，然后是系统错误消息，后面是新的一行。
Property of the new instance to a system - supplied message that describes the error , such as " a system error has occurred . " this message takes into account the current system culture 属性初始化为系统提供的、描述错误的消息，如“发生系统错误。 ” 。此消息将考虑当前系统区域性。
Sql server 2005 supports having multiple copies of all system error strings and messages in all the languages in which sql server is available . these messages can be viewed in the 在sql server中可用的所有语言中， sql server 2005支持所有系统错误字符串和系统错误消息拥有多个副本。
If at any point in the code , an error occurs such that processing cannot continue , we retrieve the system error message if any , and display it along with our own message 如果代码中任何一处出现了使处理不能继续进行之类的错误，那么我们会检索系统错误消息（如果有的话） ，然后将它与我们自己的消息一起显示。
