说明：  基于MFC的ODBC数据库实例，提供了关于数据库的建立，录入，修改，维护，运行的程序
(For the main frame window: MainFrm.h, MainFrm.cpp These files contain the frame class CMainFrame, which is derived from CFrameWnd and controls all SDI frame features. res\Toolbar.bmp This bitmap file is used to create tiled images for the toolbar. The initial toolbar and status bar are constructed in the CMainFrame class. Edit this toolbar bitmap using the resource editor, and update the IDR_MAINFRAME TOOLBAR array in Enroll.rc to add toolbar buttons. ///////////////////////////////////////////////////////////////////////////// AppWizard creates one view: EnrollView.h, EnrollView.cpp- the view of the document These files contain your CContactForm class. //For an ODBC database app: EnrollSet.h, EnrollSet.cpp- the recordset These files define and implement the recordset class CContactSet, which performs database query and collection. ///////////////////////////////////////////////////////////////////////////// Other sta)