Hi all,
I use vb.net , datagirdview(DataGridViewTextBoxColumn). i have a date format field(DataGridViewCellStyle { Format=d }).

But i don't know how to CellValidating is better.Anyone try to do this ?
I want to add "/" "/" to cell.value when user entry 2 char , 2 char and 4 char, but i can't control user must entry numberic in cell,becuase
i don't find cell keypress.
After when user entered cell.value and check valid date.

Anyone know how to do? Thank you