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Convert a string to a date in .net

Anonymous User 2645 14 Nov 2013

I'm reading text from a flat file in c# and need to test whether certain values are dates. They could be in either YYYYMMDD format or MM/DD/YY format. What is the simplest way to do this in .Net?

Ask by Anonymous User

Updated 14 Nov 2013

1 Answers

Anonymous User 14 Nov 2013

Hi chintoo,

string dateTime = "01/08/2008 14:50:50.42";
            DateTime dt = Convert.ToDateTime(dateTime);
            Console.WriteLine("Year: {0}, Month: {1}, Day: {2}, Hour: {3}, Minute: {4}, Second: {5}, Millisecond: {6}",
                              dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, dt.Millisecond);
            // Specify exactly how to interpret the string.
            IFormatProvider culture = new System.Globalization.CultureInfo("fr-FR", true);
            // Alternate choice: If the string has been input by an end user, you might  
            // want to format it according to the current culture: 
            // IFormatProvider culture = System.Threading.Thread.CurrentThread.CurrentCulture;
            DateTime dt2 = DateTime.Parse(dateTime, culture, System.Globalization.DateTimeStyles.AssumeLocal);
            Console.WriteLine("Year: {0}, Month: {1}, Day: {2}, Hour: {3}, Minute: {4}, Second: {5}, Millisecond: {6}",
                              dt2.Year, dt2.Month, dt2.Day, dt2.Hour, dt2.Minute, dt2.Second, dt2.Millisecond

/* Output (assuming first culture is en-US and second is fr-FR):

Year: 2008, Month: 1, Day: 8, Hour: 14, Minute: 50, Second: 50, Millisecond: 420

Year: 2008, Month: 8, Day: 1, Hour: 14, Minute: 50, Second: 50, Millisecond: 420

Press any key to continue . . .

*/

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