提示iff.prg 不存在
我怎么那么背啊 不知道是什么原因 要我换vfp的版本吗？
------解决方案--------------------------------------------------------
楼主啊，好象写的是 IIF
Visual FoxPro 9.0 Language Reference
IIF( ) Function
Returns one of two values depending on the value of a logical expression.
IIF(lExpression, eExpression1, eExpression2)
Parameters
lExpression
Specifies the logical expression that IIF( ) evaluates.
eExpression1, eExpression2
If lExpression evaluates to True (.T.), eExpression1 is returned and eExpression2 is not evaluated. If lExpression evaluates to False (.F.) or null (.NULL.), eExpression2 is returned and eExpression1 is not evaluated.