C#GridView控件导出Excel及多层表头类，说明：此类是集合了网上朋友的一些类方法拼写而成，发表出来一便朋友们借鉴

datagridview多表头的实现 能够自定义表头的样式-the datagridview more than the realization at the head of the table

datagridview多维表头真实案例-the datagridview multidimensional Table head

VB多页面缩放打印，自动识别数据库路径，根据字宽设置基本列宽，根据纸张大小和字高设置每页打印行数，换页重复打印表头，对学习不错的Vb源代码。-VB multi page zoom printing, automatic identification database path, according to the word width setting column width, according to the paper size and type high settings page numb