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Date of week function?
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Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
01671464
Message ID:
01671469
Vues:
53
>>>>Hi,
>>>>
>>>>VFP 9 has a nice function Week() (determines week by the date). I cannot find in Help and maybe I am missing it, if there is a revers function, to determine date defining the week by the week number? For example, if the Week() is used as follows:
>>>>
>>>>nWeek = Week( date(), 3, 2 )   && where 2 defines that the week must have Monday    
>>>>
>>>>Then I would use the reverse function as:
>>>>
>>>>dMonday = WDate( nWeek, 3, 2 )
>>>>
>>>>
>>>>Of course, I could write such a function (WDate()) but it VFP has it, why not use it.
>>>>
>>>>TIA
>>>
>>>No, there AFAIK is no such native function.
>>
>>Thank you.
>This will only return todays date unless you specify which day-of-the-week you want the date for. 41 is the week number.
>
>
DATE(YEAR(DATE()),1,1)+(7-DOW(DATE(YEAR(DATE()),1,1)))-6+(41*7)
Thank you. But I don't understand why your formula has to include today's date (date()). It should be independent of the current date. That is, the formula should return, say Monday, of week 41. Whatever week is specified. But I will play with your formula to understand it better.
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