C# DateTime Not Formatting Correctly to String

Question

I am trying to get the created date and time of a particular file and then format it from 4/9/2016 to 040916. I end up with the result of 56DD16. I am not entirely sure where this value is coming from. I have used this method to format dates before without any problem. The code is below:

FileInfo fi = new FileInfo(Path.Combine(r.getCompanyFilesLocation(), r.getNyseFileName())); DateTime dateCreated = fi.CreationTime; string archiveFileName = dateCreated.ToString("mmDDyy");

MSDN doc: msdn.microsoft.com/en-us/library/8kb3ddd4%28v=vs.110%29.aspx — Chubosaurus Software
– Chubosaurus Software, Commented Apr 12, 2016 at 3:50

sujith karivelil · Accepted Answer · 2016-04-12 03:49:58Z

You are using incorrect format string,mm Represent the Minute and there is nothing for DD, dd stands for day. so Change your formatString as MMddyy. to get the expected output. Here you can find more formatting options

string archiveFileName = dateCreated.ToString("MMddyy");

sujith karivelil · Accepted Answer · 2016-04-12 03:54:00Z

2

.ToString("mmDDyy") is incorrect. The format should be .ToString("MMddyy")

You can always review the Custom Date and Time Format Strings.

edited Apr 12, 2016 at 3:54

sujith karivelil

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answered Apr 12, 2016 at 3:51

Mikanikal

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Comments

error_handler · Accepted Answer · 2016-04-12 05:08:15Z

You were using wrong format. Use this one and you will get the exact same output you required:

DateTime dateCreated = fi.CreationTime; string archiveFileName = dateCreated.ToString("MMddyy", CultureInfo.InvariantCulture);

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