C DateTime to YYYYMMDDHHMMSS format

Question

I want to convert a C  DateTime to  YYYYMMDDHHMMSS  format  But I don t find a built in method to get this format  Any comments

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An easy Method  Full control over  from type  and  to type   and only need to remember this code for future castings  DateTime ParseExact InputDate   dd MM yyyy   CultureInfo InvariantCulture  ToString  yyyy MM dd

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DateTime Now ToString  yyyyMMddHHmmss      if you just want it displayed as a string

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After spent a lot of hours on Google search  I found the below solution as when I locally give date time  no exception while from other server  there was Error          Date is not in proper format   Before saving  searching Text box date time in C   just checking either the outer Serer Culture is same like database server culture   Ex both should be  en-US  or must be both  en-GB  asp below snap shot     Even with different date format like  dd mm yyyy  or  yyyy mm dd   it will save or search accurately

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I am surprised no one has a link for this    any format can be created using the guidelines here    Custom Date and Time Format Strings   For your specific example  As others have indicated  use something like  my format  yyyyMMddHHmmss   DateTime Now ToString my format     Where my format can be any string combination of y M H m s f F and more  Check out the link

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Chances are slim that any of the above answers wouldn t has solved your problem  Nonetheless  I m sharing my method which always works for me for different format of datetimes     Definition         public static DateTime ConvertPlainStringToDatetime string Date  string inputFormat  string  outputFormat                                DateTime date                  CultureInfo enUS   new CultureInfo  en-US                    DateTime TryParseExact Date  inputFormat  enUS                                      DateTimeStyles AdjustToUniversal  out date                    string formatedDateTime   date ToString outputFormat                   return Convert ToDateTime formatedDateTime                      Calling      string oFormat    yyyy-MM-dd HH mm ss       DateTime requiredDT   ConvertPlainStringToDatetime  20190205   yyyyMMddHHmmss   oFormat         DateTime requiredDT   ConvertPlainStringToDatetime  20190508-12 46 42   yyyyMMdd-HH mm ss   oFormat

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Specify formatted DateTime as Utc  Step 1 - Initial date var initialDtm   DateTime Now   Step 2 - Format date as willing   quot yyyyMMddHHmmss quot   var formattedDtm   DateTime ParseExact initialDtm ToString  quot yyyyMMddHHmmss quot     quot yyyyMMddHHmmss quot   CultureInfo InvariantCulture        Step 3 - Specify kind of date  Utc  var specifiedDtm   DateTime SpecifyKind  formattedDtm  DateTimeKind Utc

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using C  6 0    Date- DateTime Now yyyyMMddHHmmss

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DateTime Now ToString  yyyyMMddHHmmss       case sensitive

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In  Net Standard 2 you can format DateTime like belows   DateTime dt   DateTime Now  CultureInfo iv   CultureInfo InvariantCulture      Default formats    D - long date           Tuesday  24 April 2018    d - short date          04 24 2018    F - full date long      Tuesday  24 April 2018 06 30 00    f - full date short     Tuesday  24 April 2018 06 30    G - general long        04 24 2018 06 30 00    g - general short       04 24 2018 06 30    U - universal full      Tuesday  24 April 2018 06 30 00    u - universal sortable  2018-04-24 06 30 00    s - sortable            2018-04-24T06 30 00    T - long time           06 30 00    t - short time          06 30    O - ISO 8601            2018-04-24T06 30 00 0000000    R - RFC 1123            Tue  24 Apr 2018 06 30 00 GMT               M - month               April 24    Y - year month          2018 April Console WriteLine dt ToString  D   iv        Custom formats    M d yy                  4 8 18    MM dd yyyy              04 08 2018    yy-MM-dd                08-04-18    yy-MMM-dd ddd           08-Apr-18 Sun    yyyy-M-d dddd           2018-4-8 Sunday    yyyy MMMM dd            2018 April 08          h mm ss tt zzz          4 03 05 PM -03    HH m s tt zzz           16 03 05 -03 00    hh mm ss t z            04 03 05 P -03    HH mm ss tt zz          16 03 05 PM -03       Console WriteLine dt ToString  M d yy   iv

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string date   DateTime Now ToString  dd-MMM-yy       05-Aug-13

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If you use ReSharper  get help with      see image

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You ve just got to be careful between months  MM  and minutes  mm    DateTime dt   DateTime Now     Or whatever string s   dt ToString  yyyyMMddHHmmss       Also note that HH is 24 hour clock  whereas hh would be 12 hour clock  usually in conjunction with t or tt for the am pm designator    If you want to do this as part of a composite format string  you d use   string s   string Format  The date time is   0 yyyyMMddHHmmss    dt     For further information  see the MSDN page on custom date and time formats

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Get the date as a DateTime object instead of a String  Then you can format it as you want      MM dd yyyy    08 22 2006 dddd  dd MMMM yyyy    Tuesday  22 August 2006 dddd  dd MMMM yyyy HH mm  Tuesday  22 August 2006 06 30 dddd  dd MMMM yyyy hh mm tt   Tuesday  22 August 2006 06 30 AM dddd  dd MMMM yyyy H mm   Tuesday  22 August 2006 6 30 dddd  dd MMMM yyyy h mm tt    Tuesday  22 August 2006 6 30 AM dddd  dd MMMM yyyy HH mm ss   Tuesday  22 August 2006 06 30 07 MM dd yyyy HH mm  08 22 2006 06 30 MM dd yyyy hh mm tt   08 22 2006 06 30 AM MM dd yyyy H mm   08 22 2006 6 30 MM dd yyyy h mm tt    08 22 2006 6 30 AM MM dd yyyy HH mm ss   08 22 2006 06 30 07   Click here for more patterns

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DateTime Now ToString  quot MM dd yyyy quot   05 29 2015 DateTime Now ToString  quot dddd  dd MMMM yyyy quot   Friday  29 May 2015 DateTime Now ToString  quot dddd  dd MMMM yyyy quot   Friday  29 May 2015 05 50 DateTime Now ToString  quot dddd  dd MMMM yyyy quot   Friday  29 May 2015 05 50 AM DateTime Now ToString  quot dddd  dd MMMM yyyy quot   Friday  29 May 2015 5 50 DateTime Now ToString  quot dddd  dd MMMM yyyy quot   Friday  29 May 2015 5 50 AM DateTime Now ToString  quot dddd  dd MMMM yyyy HH mm ss quot      Friday  29 May 2015 05 50 06 DateTime Now ToString  quot MM dd yyyy HH mm quot     05 29 2015 05 50 DateTime Now ToString  quot MM dd yyyy hh mm tt quot      05 29 2015 05 50 AM DateTime Now ToString  quot MM dd yyyy H mm quot      05 29 2015 5 50 DateTime Now ToString  quot MM dd yyyy h mm tt quot   05 29 2015 5 50 AM DateTime Now ToString  quot MM dd yyyy HH mm ss quot      05 29 2015 05 50 06 DateTime Now ToString  quot MMMM dd quot      May 29 DateTime Now ToString  quot yyyy   -   MM   -   dd   T   HH       mm       ss fffffffK quot   2015-05-16T05 50 06 7199222-04 00 DateTime Now ToString  quot ddd  dd MMM yyy HH       mm       ss    GMT    quot   Fri  16 May 2015 05 50 06 GMT DateTime Now ToString  quot yyyy   -   MM   -   dd   T   HH       mm       ss quot    2015-05-16T05 50 06 DateTime Now ToString  quot HH mm quot    05 50 DateTime Now ToString  quot hh mm tt quot     05 50 AM DateTime Now ToString  quot H mm quot     5 50 DateTime Now ToString  quot h mm tt quot      5 50 AM DateTime Now ToString  quot HH mm ss quot     05 50 06 DateTime Now ToString  quot yyyy MMMM quot    2015 May

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You can use a custom format string   DateTime d   DateTime Now  string dateString   d ToString  yyyyMMddHHmmss      Substitute  hh  for  HH  if you do not want 24-hour clock time

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It is not a big deal  you can simply put like this  WriteLine    DateTime Now ToString  yyyy-MM-dd-HH mm ss         Excuse here for I used   which is for string Interpolation

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This site has great examples check it out     create date time 2008-03-09 16 05 07 123 DateTime dt   new DateTime 2008  3  9  16  5  7  123    String Format   0 y yy yyy yyyy         dt        8 08 008 2008    year String Format   0 M MM MMM MMMM         dt        3 03 Mar March   month String Format   0 d dd ddd dddd         dt        9 09 Sun Sunday  day String Format   0 h hh H HH             dt        4 04 16 16       hour 12 24 String Format   0 m mm                  dt        5 05             minute String Format   0 s ss                  dt        7 07             second String Format   0 f ff fff ffff         dt        1 12 123 1230    sec fraction String Format   0 F FF FFF FFFF         dt        1 12 123 123     without zeroes String Format   0 t tt                  dt        P PM             A M  or P M  String Format   0 z zz zzz              dt        -6 -06 -06 00    time zone     month day numbers without with leading zeroes String Format   0 M d yyyy              dt        3 9 2008  String Format   0 MM dd yyyy            dt        03 09 2008      day month names String Format   0 ddd  MMM d  yyyy      dt        Sun  Mar 9  2008  String Format   0 dddd  MMMM d  yyyy    dt        Sunday  March 9  2008      two four digit year String Format   0 MM dd yy              dt        03 09 08  String Format   0 MM dd yyyy            dt        03 09 2008    Standard DateTime Formatting  String Format   0 t    dt        4 05 PM                            ShortTime String Format   0 d    dt        3 9 2008                           ShortDate String Format   0 T    dt        4 05 07 PM                         LongTime String Format   0 D    dt        Sunday  March 09  2008             LongDate String Format   0 f    dt        Sunday  March 09  2008 4 05 PM     LongDate ShortTime String Format   0 F    dt        Sunday  March 09  2008 4 05 07 PM  FullDateTime String Format   0 g    dt        3 9 2008 4 05 PM                   ShortDate ShortTime String Format   0 G    dt        3 9 2008 4 05 07 PM                ShortDate LongTime String Format   0 m    dt        March 09                           MonthDay String Format   0 y    dt        March  2008                        YearMonth String Format   0 r    dt        Sun  09 Mar 2008 16 05 07 GMT      RFC1123 String Format   0 s    dt        2008-03-09T16 05 07                SortableDateTime String Format   0 u    dt        2008-03-09 16 05 07Z               UniversalSortableDateTime     Specifier   DateTimeFormatInfo property     Pattern value  for en-US culture      t           ShortTimePattern                    h mm tt     d           ShortDatePattern                    M d yyyy     T           LongTimePattern                     h mm ss tt     D           LongDatePattern                     dddd  MMMM dd  yyyy     f            combination of D and t             dddd  MMMM dd  yyyy h mm tt     F           FullDateTimePattern                 dddd  MMMM dd  yyyy h mm ss tt     g            combination of d and t             M d yyyy h mm tt     G            combination of d and T             M d yyyy h mm ss tt     m  M        MonthDayPattern                     MMMM dd     y  Y        YearMonthPattern                    MMMM  yyyy     r  R        RFC1123Pattern                      ddd  dd MMM yyyy HH   mm   ss  GMT          s           SortableDateTi  mePattern             yyyy - MM - dd T HH   mm   ss         u           UniversalSorta  bleDateTimePat  tern    yyyy - MM - dd HH   mm   ss Z                                                                culture independent         Update using c  6 string interpolation format     create date time 2008-03-09 16 05 07 123 DateTime dt   new DateTime 2008  3  9  16  5  7  123       dt y yy yyy yyyy         8 08 008 2008    year    dt M MM MMM MMMM         3 03 Mar March   month    dt d dd ddd dddd         9 09 Sun Sunday  day    dt h hh H HH             4 04 16 16       hour 12 24    dt m mm                  5 05             minute    dt s ss                  7 07             second    dt f ff fff ffff         1 12 123 1230    sec fraction    dt F FF FFF FFFF         1 12 123 123     without zeroes    dt t tt                  P PM             A M  or P M     dt z zz zzz              -6 -06 -06 00    time zone     month day numbers without with leading zeroes    dt M d yyyy           3 9 2008     dt MM dd yyyy         03 09 2008      day month names    dt ddd  MMM d  yyyy           Sun  Mar 9  2008     dt dddd  MMMM d  yyyy         Sunday  March 9  2008      two four digit year    dt MM dd yy           03 09 08     dt MM dd yyyy         03 09 2008

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You ve practically written the format yourself   yourdate ToString  yyyyMMddHHmmss     MM   two digit month mm   two digit minutes HH   two digit hour  24 hour clock hh   two digit hour  12 hour clock    Everything else should be self-explanatory

[c#] C# DateTime to "YYYYMMDDHHMMSS" format

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