Get the recent 50 text files from physical path, C#

Hi,
I have a requirement to get the file name and modifed date of the file from a physical path.
Suppose, the physical path is C:\Sample and it has 100 text files, i want to get the details of most recent files (order by DateModified) and display them in a DataGridView.
Please help me with your suggestions.
Thanks,
Siva