Question Change Cell Backcolor if Datagridview1.item.value = Datagridview2.item.value

[ikanbobo]

i want to make program like this:

if DataGridView2.item(BLNumber1).value = DataGridView1.item(BLNumber2).value then
color=green
else
color=red

i want all item list in DataGridView2.item(SID).value will be checked.

i mean like this(see picture):