The MSDN doc sample for the DataGridColumnStyle shows how to do this.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlr
fsystemwindowsformsdatagridcolumnstyleclasstopic.asp

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Tim Wilson
.Net Compact Framework MVP
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> Can anyone point me to a sample of a datagrid that contains a column style
> with a datetimepicker control in it?
>
> thanks!