Access入门教程10.2使用表达式生成器
在我们制定规则的时候 有时会用到很多函数或表中的字段名 直接来写的话会很麻烦 为了解决这种问题 ACCESS提供了一个名叫 表达式生成器 的工具 在这个工具中 给我们提供了数据库中所有的 表 或 查询 中 字段 名称 窗体 报表中的各种控件 还有很多函数 常量及
在我们制定规则的时候
为了解决这种问题
现在我们就打开
在这个
举个例子
可以在ACCESS中任何需要表达式的位置上使用
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