`Private Sub dgCorpResults_CurrentCellChanged(ByVal sender As Object, ByVal e As
 System.Windows.Forms.DataGridViewCellFormattingEventArgs) Handles dgvMatrix.CellFormatting


Try
For Each cell As DataGridViewCell In dgvMatrix.Rows(e.RowIndex).Cells
cell.Style.BackColor = Color.Red
Next
Catch ex As Exception
End Try

If value=0 Then
cell.Style.BackColor = Color.Red
Else
cell.Style.BackColor = Color.LightGreen
End If