在使用VC、VB、Delphi等高级语言编写数据库应用程序时，往往需要用户自己在控制面板中配置ODBC数据源。对于一般用户而言，配置ODBC数据源可能是一件比较困难的工作。而且，在实际应用中，用户往往要求在同一个应用程序中访问不同的数据源，因此采用一般的加载方法就有了无法克服的缺陷。为能在程序中完成这一工作，方便应用程序的使用，本文以VC为开发环境介绍两种在应用程序中动态加载ODBC系统数据源的方法。-the use of VC, VB, Delphi and other senior language database application procedures, often require the user control panel configuration ODBC data sources. For general users, configuring ODBC data source may be a more difficult task. Moreover, in practical application, users often require the same application access different data sources, Therefore the use of the loading method alone can not overcome the flaws. In order to complete this process, facilitating the application procedures for the use, Based VC environment for the development of both on the application of dynamic loading system ODBC data source method.