Question

vfp创建表中填写出生日期，出现日期无效，怎么回事。举个例子， 输入日期1940|04 |21 ，但是1940这四位输

vfp创建自由表中填写出生日期，。举个例子， 输入日期1940|04 |21 ，但是1940这四位输不起来，就能输两位，当我输入40|04|21时屏幕有“此日期无效”提示，怎么回事？哪个知道，谢谢，高分悬赏。

Answer 1

与系统默认的日期格式有关，在工具-选项-区域中调整，将使用系统设置勾选后就是年-月-日格式了
原来是美语格式：月-日-年 40/04/21会认为非法日期，可04/21/40

Answer 2

你得明白日期型数据默认的格式。月月/日日/年年

在命令窗口输入以下命令，年份就可以设置成4位了。set century on

1940年4月21日 应输入：04/21/1940

Answer 3

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Answer 4

你的字段名的格式弄错了，你换成 时间日期型 试试看吧