Datagridview combobox data binding by another combox selected item

Question

Hi,
I have a datagirdview with two combo box columns. for example, country and city.  If I selected country combox in datagridview,  the city combobox column have to bind, based on the selected county. I can able to get the selected country value. I have to bind the city combobx column.
Thanks in advance.
Regards,
Anil