在VC++中使用ADO时，却因为是使用COM的方式来调用，常常出现一些系统无法编译通过，或使用中程序非法出错的问题，在这里想大概介绍一下ＶＣ＋＋中调用ADO的常用方法。-In VC++ using ADO, but because of the use of COM way to call, there are often some of the system can not compile, or use the program illegal wrong question, where would like to outline the VC++, call the ADO of the commonly used methods.