First off, I am not a VB programmer. At my office one of our employees needed an update to an old program they use to update an Access database. The user has a form that lists different fields ...
向数据库添加数据,每添加一条记录就要建立连接,写入完了又要关闭,这样不是太麻烦了?如果不断开,要占用多大的内存资源?我每条记录也就100字节左右,数据顶多就几万条 ...