control keys in datagrid

[hamid]

i want create new event for Enter and Tab and Insert keys in DataGrid, but keydown event dont work in datagrid?! how can i create new event for these keys when user focused in one of rows of datagrid?

 

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i want show all records of 3 column of my table (amount 2000 records) to user that user can move in them and select one of them by Enter, so what is best way to do it?

 

thank you