>>>I can use type for if there is a field in table:
>>>
>>>

?type("mytable.myfield")="U"

>>>
>>>but with vartype
>>>
>>>

?vartype("mytable.myfield")="U"

>>>
>>>is generates variable not found. Isn't that a bug?
>>
>>Here's what we said in HackFox about this:
>>
>>"Because VARTYPE() explicitly passes the expression to test as a parameter, it fails if an expression cannot be evaluated, causing an error 12, "Variable not found"—you'll still want to use TYPE() to check if a variable exists."
>>
>
>Which leaves the usefulness of VARTYPE() open to question.

Oh, but I like vartype(), which returns X if the variable is null

aa='aa'
aa=null
?type('aa'), vartype(aa) && C X

obj=createobject('textbox')
obj = null
?type('obj'), vartype(obj)  && O X