how to get yesterday s date in C

Question

I want to retrieve yesterday s date in my ASP NET web application using C    I already digged about the topic but I guess I m not able to understand it   Code i m using is just giving me todays date          string yr   DateTime Today Year ToString            string mn   DateTime Today Month ToString            string dt   DateTime Today Day ToString            date   string Format   0 - 1 - 2    yr  mn  dt     How can I do so   Thanks in Advance

User · Accepted Answer

Use DateTime AddDays   method with value of -1  var yesterday   DateTime Today AddDays -1     That will give you    6 28 2012 12 00 00 AM   You can also use   DateTime Now AddDays -1    That will give you previous date with the current time e g    6 28 2012 10 30 32 AM

User · Answer

var yesterday   DateTime Now AddDays -1

User · Answer

DateTime Today as it implies is todays date and you need to get the Date a day before so you subtract one day using AddDays -1    There are sufficient options available in DateTime to get the formatting like ToShortDateString depending on your culture and you have no need to concatenate them individually   Also you can have a desirable format in the  ToString   version of the DateTime instance

User · Answer

Something like this should work  var yesterday   DateTime Now Date AddDays -1     DateTime Now gives you the current date and time   If your looking to remove the the time element then adding  Date constrains it to the date only ie time is 00 00 00   Finally  AddDays -1  removes 1 day to give you yesterday

User · Answer

You will get yesterday date by this following code snippet   DateTime dtYesterday   DateTime Now Date AddDays -1

User · Answer

string result   DateTime Now Date AddDays -1  ToString  yyyy-MM-dd

User · Answer

You don t need to call DateTime Today multiple times  just use it single time and format the date object in your desire format   like that    string result   DateTime Now Date AddDays -1  ToString  yyyy-MM-dd      OR   string result   DateTime Today AddDays -1  ToString  yyyy-MM-dd

User · Answer

DateTime dateTime   DateTime Now    string today   dateTime DayOfWeek ToString    string yesterday   dateTime AddDays -1  DayOfWeek ToString      Fetch day i e  Mon  Tues string result   dateTime AddDays -1  ToString  yyyy-MM-dd      The above snippet will work  It is also advisable to make single instance of DateTime Now

User · Answer

The code you posted is wrong   You shouldn t make multiple calls to DateTime Today  If you happen to run that code just as the date changes you could get completely wrong results  For example if you ran it on December 31st 2011 you might get  2011-1-1    Use a single call to DateTime Today then use ToString with an appropriate format string to format the date as you desire   string result   DateTime Today AddDays -1  ToString  yyyy-MM-dd

[c#] how to get yesterday's date in C#

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