VB利用transform制作透视表来分析显示图书销量情况，显示柱状图，可以选择按语言类别统计、图书总销量统计等，学习一下如何在VB6.0环境下使用柱状力，这是个相当实用的编程技巧。-VB pivot table to make use of transform analysis book sales, the histogram display can be selected by language category statistics, total book sales statistics, learn how to use columnar force in VB6.0 environment, which is a very practical programming skills .