Help with DateTrans function YYYY-MM-DDTHH:MM:SS

Hi Folks,

I have a req where the input date format yyyy-dd-MMTHH:mm:ss should be to convert MM/dd/yyyy.

I am using the datetrans function to achieve this..but its failing in pi

ex:<mo:EventTimeStamp>2014-12-03T14:16:20</mo:EventTimeStamp>

but it fails with runtime error Illegal pattern character 'T'

Can anyone help me how to achieve this ?if there is any udf ,please post me here

Regards,

Kalyan