问题 I have a DataGridView bound to a DataTable that has 1+16 columns defined as Integer . The default cell style is hexadecimal 2 digits ( .Format="X2" ). When entering in cell editing I would like to provide to the user, the possibility to write the value in decimal or hexdacimal. Hexadecimal could be written like, for example, 0x00, 0X01, x02, XFF Decimal like 0, 1, 2, 15 For this reason in EditingControlShowing I add "0x" to the TextBox value Private Sub BankGrid_EditingControlShowing(ByVal