convert yyyy.mm.dd to yyyy-mm-dd c#

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I try with this code, but its return error. I can use toString() method, but i want that result been in DateTime

C#

DateTime dt = DateTime.ParseExact("2015.05.05", "MM-dd-yyyy", System.Globalization.CultureInfo.InvariantCulture);

Posted 10-May-15 1:07am

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Kornfeld Eliyahu Peter · Accepted Answer · 2015-05-10T01:39:00

The problem is that the format string 'MM-dd-yyyy' does not fir to the value '2015.05.05' and for that ParseExact will throw an exception of invalid value... You may try TryParseExact, but the only thin you will get, that no exception will be thrown, but a boolean value will be returned - but still no valid DateTime object...
What you have to do is do it in two steps...
1. Turn string into valid DateTime object according its format:

C#

DateTime oDT = DateTime.ParseExact("2015.05.05", "yyyy.MM.dd", System.Globalization.CultureInfo.InvariantCulture);

2. Format that DateTime object according your needs:

C#

string szDT = oDT.ToString("MM-dd-yyyy");

https://dotnetfiddle.net/VJ61Nu[^]

Pushkar Prabhu · Accepted Answer · 2015-05-10T01:26:00

Hi,

check here https://msdn.microsoft.com/en-us/library/w2sa9yss(v=vs.110).aspx[^]

You can code like this also

C#

DateTime dt = new DateTime(2015, 05, 05);
DateTime result = DateTime.ParseExact(dt.ToString("MMM/dd/yyyy"), "MM/dd/yyyy", CultureInfo.InvariantCulture);

If this solves your problem, then please mark it as answer. :-)

Shmuel Zang · Accepted Answer · 2015-05-10T01:29:00

Solution 2

What about String.Replace? Something like:

C#

string str1 = "2015.05.05";
string str2 = str1.Replace(".", "-");

Posted 10-May-15 1:29am

Shmuel Zang

convert yyyy.mm.dd to yyyy-mm-dd c#

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