Visual Basic是一种由 微软公司开发的结构化的、模块化的、面向对象的、包含协助开发环境的事件驱动为机制的可视化程序设计语言。从任何标准来说，VB都是世界上使用人数最多的语言——不管是盛赞VB的开发者还是抱怨VB的开发者的数量。它源自于BASIC编程语言。VB拥有图形用户界面（GUI）和快速应用程序开发（RAD）系统，可以轻易的使用DAO、RDO、ADO连接数据库，或者轻松的创建ActiveX控件。程序员可以轻松的使用VB提供的组件快速建立一个应用程序。-Basic Visual is a kind of visual programming language which is developed by the Microsoft Corp, which is structured, modular, object-oriented, and contains the event driven mechanism to assist the development environment. By any standard, VB is the largest number of speakers in the world of language　whether praised VB developers or complain about the number of VB developers. It is derived　the BASIC programming language. VB has a graphical user interface (GUI) and rapid application development (RAD) system, you can easily use the RDO, DAO, ADO connection , or easily create ActiveX controls. Programmers can easily use VB to provide components to quickly create an application.