order by column datagrid

I have a datagrid that displays some data, and these data I have a column that gives the dates corresponding to events, those dates formatted for my country I like dd / mm / YYYY Example: 30/02/2011, but when I ask to Sort this field the grid sorts it all wrong, I would like to know how it sorts correctly.
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dgofmanConnect With a Mentor Commented:
eduardo12foxAuthor Commented:
Thanks congratulations!!
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