Is there any good way to find the date of the first three days of today?

zhaial

Everyone:
    As the question, is there any good way?

zhaial

Today: 20170105
Demand: 20170102

Today: 20170101
Demand: 20161229

苹果小刀

AddDays (-1)
AddDays (-2)
DateTime.AddDays ()

dongchaotom

Data.Today.Date.AddDays (-3)
Basically like this!

cheers2005

DateTime.AddDays (-3)

bastard

dt.AddDays (-3) .ToString ("yyyyMMdd")

kcactus

String strDt = "20170105";
strDt = System.Text.RegularExpressions.Regex.Replace (strDt, @ "(? <Y> ^\d {4}) (? <M>\d {2}) (? <D>\d {2} $)", "$ {Y}-$ {M}-$ {D}");

DateTime dt1 = DateTime.Parse (strDt);
DateTime dt2 = dt1.AddDays (-3);
The
Console.WriteLine ("result = {0}", dt2.ToString ("yyyyMMdd"));
Console.ReadLine ();

zhaial

Thank you all, get it done!