Valid date of birth
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From: hamlet on 16 May 2008 09:31 I have found a piece of coding to validate a date entered by users. I get he date selected from pull down lists as separate field items for day, month & year so that we have a consistent controlled input. The coding takes the values and compares the date so: DOBnumber := DateToNum(DOBday, DOBmonth, DOByear) DOBdate := Date(DOBnumber) BadDate := (DOBday <> Day(DOBnumber) | DOBmonth <> Month(DOBnumber) | DOByear <> Year(DOBnumber)) This coding works fine as long as the DOB it is on or after 01/01/1970 which apparently is as far as Authorware running under MS Windows goes - not really useful for a DOB in a working environment, as some working people are over 37. Does anyone know of a way to get round this, without pages of code to compare all possibilities. Thanks in advance.
From: Erik L. **Community Expert** on 16 May 2008 09:46 Ultimately, what do you need to do? What 'validation' needs to be performed? What 'all possibilities' are you trying to compare? Is this all to ensure the date exists? Like someone can't select February 31st? If that's the case, perhaps a workaround is to populate your day pull-down with only the number of days applicable to the selected month. I've never noticed the 1970 limit on these functions before. That sure does seem odd and somewhat unhelpful. Erik hamlet wrote: > I have found a piece of coding to validate a date entered by users. I get he > date selected from pull down lists as separate field items for day, month & > year so that we have a consistent controlled input. > > The coding takes the values and compares the date so: > DOBnumber := DateToNum(DOBday, DOBmonth, DOByear) > DOBdate := Date(DOBnumber) > BadDate := (DOBday <> Day(DOBnumber) | DOBmonth <> Month(DOBnumber) | DOByear > <> Year(DOBnumber)) > > This coding works fine as long as the DOB it is on or after 01/01/1970 which > apparently is as far as Authorware running under MS Windows goes - not really > useful for a DOB in a working environment, as some working people are over 37. > > Does anyone know of a way to get round this, without pages of code to compare > all possibilities.
From: Amy Blankenship on 16 May 2008 09:55 "Erik L. **Community Expert**" <erik(a)pasdespam.capemedia.net> wrote in message news:g0k39c$1ik$1(a)forums.macromedia.com... > Ultimately, what do you need to do? What 'validation' needs to be > performed? What 'all possibilities' are you trying to compare? > Is this all to ensure the date exists? Like someone can't select February > 31st? > If that's the case, perhaps a workaround is to populate your day pull-down > with only the number of days applicable to the selected month. > > I've never noticed the 1970 limit on these functions before. That sure > does seem odd and somewhat unhelpful. That's the date of the "Epoch" and it's pretty standard in most programming languages. I'm confident they picked that year because that's when I was born, and hence no important events could have happened prior to that date ;-). I believe there may be some code on the aware list http://listserv.cc.kuleuven.ac.be/cgi-bin/wa?A0=aware&D=1&O=D that describes how to get around this if you search the archives. I think that in essence you add some number of years to the date to find another year after 1970 with the same days of the week/leap year status. HTH; Amy
From: Chris Forecast on 16 May 2008 10:11 I give a couple of different soultions at the end of this thread: http://listserv.cc.kuleuven.ac.be/cgi-bin/wa?A2=ind0608B&L=aware&D=0&P=2874 Chris Forecast
From: Erik L. **Community Expert** on 16 May 2008 10:33 That's the year I was brought into this world as well, so I must agree with your conclusion! Erik Amy Blankenship wrote: > I'm confident they picked that year because that's when I was > born, and hence no important events could have happened prior to that date. -- Erik Lord http://www.capemedia.net Adobe Community Expert - eLearning http://www.adobe.com/communities/experts/ ------------------------------------------------------------------------ http://www.awaretips.net - Authorware Tips!
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