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C++ / MFC Date Validation

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C++ / MFC Date Validation

 
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  #1
Nov 21st, 2008
Hi,


i just need to know is there any method in MFC / C++
which will do the validation for the entered date.
ie if the date 12/11/2008 is given as input it should return saying the date is valid.i hope there exsists some standard function.
it should also check for leap leap year,and wrong date such as 31/11/2008 etc. thanks in advance.
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Re: C++ / MFC Date Validation

 
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  #2
Nov 21st, 2008
you could try the parsedate() member of COleDateTime:
C++ Syntax (Toggle Plain Text) 
  1. if (!COleDateTime::ParseDateTime("12/11/2008")
  2. {
  3.      // That's not a date bucko!
  4. }

I don't have MFC anymore, so I can't test it, but I'm sure it works somewhat like that. If this doesn't work you should have a look at the wxDateTime object from wxWidgets.
Last edited by niek_e; Nov 21st, 2008 at 9:34 am.
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Re: C++ / MFC Date Validation

 
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  #3
Nov 22nd, 2008
Thanks
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Re: C++ / MFC Date Validation

 
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  #4
Mar 3rd, 2009
C works in MFC right? (sprintf/sscanf)
c Syntax (Toggle Plain Text) 
  1. int main(int argc, char*argv[])
  2. {
  3.     int m,d,y;
  4.     sscanf("%d/%d/%d", &m, &d, &y);
  5.     if (checkdate(m,d,y)) 
  6.     {
  7.         printf("valid\n");
  8.     }
  9.     else
  10.     {
  11.         printf("invalid\n");
  12.     }
  13. }
  14.  
  15.  
  16. bool checkdate(int m, int d, int y)
  17. {
  18.   //gregorian dates started in 1582
  19.   if (! (1582<= y )  )//comment these 2 lines out if it bothers you
  20.      return false;
  21.   if (! (1<= m && m<=12) )
  22.      return false;
  23.   if (! (1<= d && d<=31) )
  24.      return false;
  25.   if ( (d==31) && (m==2 || m==4 || m==6 || m==9 || m==11) )
  26.      return false;
  27.   if ( (d==30) && (m==2) )
  28.      return false;
  29.   if ( (m==2) && (d==29) && (y%4!=0) )
  30.      return false;
  31.   if ( (m==2) && (d==29) && (y%400==0) )
  32.      return true;
  33.   if ( (m==2) && (d==29) && (y%100==0) )
  34.      return false;
  35.   if ( (m==2) && (d==29) && (y%4==0)  )
  36.      return true;
  37.  
  38.   return true;
  39. }
Last edited by blacklight332; Mar 3rd, 2009 at 10:28 pm.
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Re: C++ / MFC Date Validation

 
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Mar 3rd, 2009
Stop spamming old threads, you *******!
Last edited by MosaicFuneral; Mar 3rd, 2009 at 10:18 pm.
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Re: C++ / MFC Date Validation

 
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Mar 3rd, 2009
@MosaicFuneral

What are you talking about? Isn't this a CODE FORUM. So posting CODE on a CODE FORUM is okay right? Or did I miss the posting guidelines.
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Re: C++ / MFC Date Validation

 
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Mar 3rd, 2009
>Or did I miss the posting guidelines.
Yes you did. And it's appropriately titled "Read This Before Posting":
http://www.daniweb.com/forums/thread78223.html
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All my posts may be freely redistributed under the terms of the MIT license.
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