该源码主要是通过为ApplicationEvents的OnException事件安装了一个处理程序，实现了数据库各种异常错误的处理。-The source is mainly through the OnException events ApplicationEvents install a handler to achieve a variety of database exception error handling.

数据库处理类， 数据库处理类-Database processing classes, the database handler class, the database handler class

Shows how to set up an interrupt handler function and signal events the handler. We use C6x timer 1 as the example interrupt source.-Shows how to set up an interrupt handler function and signal events the handler. We use C6x timer 1 as the example i