DateTime TryParse issue with dates of yyyy-dd-MM format

Question

I have the following date in string format  2011-29-01 12 00 am    Now I am trying to convert that to datetime format with the following code   DateTime TryParse dateTime  out dt      But I am alwayws getting dt as  1 1 0001 12 00 00 AM     Can you please tell me why    and how can I convert that string to date   EDIT  I just saw everybody mentioned to use format argument  I will mention now that I can t use the format parameter  as I have some setting to select the custom dateformat what user wants  and based on that user is able to get the date in textbox in that format automatically via jQuery datepicker

User · Answer

If you give the user the opportunity to change the date/time format, then you'll have to create a corresponding format string to use for parsing. If you know the possible date formats (i.e. the user has to select from a list), then this is much easier because you can create those format strings at compile time.

If you let the user do free-format design of the date/time format, then you'll have to create the corresponding DateTime format strings at runtime.

User · Answer

That works    DateTime dt   DateTime ParseExact  2011-29-01 12 00 am    yyyy-dd-MM hh mm tt   System Globalization CultureInfo InvariantCulture

User · Answer

From DateTime on msdn      Type  System DateTime  When this method returns  contains the DateTime   value equivalent to the date and time contained in s  if the   conversion succeeded  or MinValue if the conversion failed  The   conversion fails if the s parameter is null  is an empty string         or does not contain a valid string representation of a date and time    This parameter is passed uninitialized    Use parseexact with the format string  yyyy-dd-MM hh mm tt  instead

User · Answer

Try using safe TryParseExact method  DateTime temp  string   date    2011-29-01 12 00 am    DateTime TryParseExact date   yyyy-dd-MM hh mm tt   CultureInfo InvariantCulture  DateTimeStyles None  out temp

User · Answer

You need to use the ParseExact method  This takes a string as its second argument that specifies the format the datetime is in  for example      Parse date and time with custom specifier  dateString    2011-29-01 12 00 am   format    yyyy-dd-MM h mm tt   try      result   DateTime ParseExact dateString  format  provider      Console WriteLine   0  converts to  1     dateString  result ToString       catch  FormatException       Console WriteLine   0  is not in the correct format    dateString       If the user can specify a format in the UI  then you need to translate that to a string you can pass into this method  You can do that by either allowing the user to enter the format string directly - though this means that the conversion is more likely to fail as they will enter an invalid format string - or having a combo box that presents them with the possible choices and you set up the format strings for these choices   If it s likely that the input will be incorrect  user input for example  it would be better to use TryParseExact rather than use exceptions to handle the error case      Parse date and time with custom specifier  dateString    2011-29-01 12 00 am   format    yyyy-dd-MM h mm tt   DateTime result  if  DateTime TryParseExact dateString  format  provider  DateTimeStyles None  out result        Console WriteLine   0  converts to  1     dateString  result ToString       else      Console WriteLine   0  is not in the correct format    dateString       A better alternative might be to not present the user with a choice of date formats  but use the overload that takes an array of formats      A list of possible American date formats - swap M and d for European formats string   formats    M d yyyy h mm ss tt    M d yyyy h mm tt                        MM dd yyyy hh mm ss    M d yyyy h mm ss                        M d yyyy hh mm tt    M d yyyy hh tt                        M d yyyy h mm    M d yyyy h mm                        MM dd yyyy hh mm    M dd yyyy hh mm                       MM d yyyy HH mm ss ffffff     string dateString     The string the date gets read into  try       dateValue   DateTime ParseExact dateString  formats                                       new CultureInfo  en-US                                         DateTimeStyles None       Console WriteLine  Converted   0   to  1     dateString  dateValue     catch  FormatException        Console WriteLine  Unable to convert   0   to a date    dateString                                                      If you read the possible formats out of a configuration file or database then you can add to these as you encounter all the different ways people want to enter dates

User · Answer

DateTime dt   DateTime ParseExact  11-22-2012 12 00 am    MM-dd-yyyy hh mm tt   System Globalization CultureInfo InvariantCulture

User · Answer

This should work based on your example  2011-29-01 12 00 am   DateTime dt  DateTime TryParseExact dateTime                           yyyy-dd-MM hh mm tt                           CultureInfo InvariantCulture                          DateTimeStyles None                          out dt

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