Question

how do i make the following a valid date?

class Program
{
    static void Main(string[] args)
    {

        DateTime testResult;
        DateTime.TryParse("31/1/2012", out testResult);

    }
}

Answer 1

Use this overload:

http://msdn.microsoft.com/en-us/library/9h21f14e.aspx

Pass a culture that specifies a DMY date order.

Example:

DateTime.TryParse("31/1/2012", new CultureInfo("en-GB"), DateTimeStyles.None, out testResult);

Some will suggest using TryParseExact, but that also requires you to specify a culture:

DateTime.TryParseExact("31/1/2012", "d/M/yyyy", CultureInfo.InvariantCulture, DatetimeStyles.None, out testResult);