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DateTime format in .NET 4.0

By , 10 Oct 2011
 
Lets assume I have the DateTime pattern "dd-MMM-yyyy" in my locale.
 
DateTime.Now.ToString("yyyy/MM/dd") working different in 3.5 & 4.0 framework.
 
In 3.5, it uses the pattern given in the parameter to convert the date to string. So, the output would be "2011/11/10" and it the expected result.
 
But in 4.0, this would return as "2011-11-10" which is not correct. 4.0 is using the current culture's ("-") separator instead of using the pattern's separator ("/") given in the parameter. To fix it, we need to pass IFormatProvider along with the ToString function.
 
Eg:
DateTime.Now.ToString("yyyy/MM/dd", DateTimeFormatInfo.InvariantInfo)

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About the Author

Venkatesh Mookkan
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India India
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He is from a small village in Tirunelveli, TamilNadu (India). He is fun loving guy. He like to travel a lot. Bikes/Cars/Mobiles are his fantasies.
 
He started his career as a BPO Data Entry Assistant and got chance to work as an ASP.NET Programmer in the same company after a year. And he move to the next company in 2006 as Software Engineer.
 
He is working as a Team Leader in a private software development company @Chennai, India. For the past 5 years, he learnt many things in .NET. He worked as ASP.NET developer and now working as WPF Application Developer in the same company for past two years.

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