使用WinSock控件和Internet Transfer控件的实例

Some advice on network-control in visual basic programming

通过笔者编制的上机考试系统程序的实例,给出了在VisualBasic语言编程中使用WinSock控件进行客户端与服务器的通信和使用InternetTransfer控件控制文件的网络传输的几种特殊方法,说明了如何使用AD和Data控件对考生数据库和试题数据库进行管理,并对考试系统中试题的选择提出了可行的办法.

With the author' s experience of programming,this article introduces some special method of the usage of WinSock Control and Internet Transfer Contr ol in a Computer-Based examination s ystem programmed with Visual Basic 6.0.This system is made of the Client /Server method.Wi nSock control is used between the Client program and the Server program.When a user logged in,Internet Transfer Contro l is used to download test questions f rom the Server,while all questions a re done or test time is up,users can upload questions to t he Server with the same Control.And m ore over,in this article,the method of the usage of ADO(DATA)Control in the same program is introd uced.