Changing datagridview cell color based on condition

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I may suggest NOT looping over each rows EACH time CellFormating is called, because it is called everytime A SINGLE ROW need to be refreshed.

Private Sub dgv_DisplayData_Vertical_CellFormatting(sender As Object, e As DataGridViewCellFormattingEventArgs) Handles dgv_DisplayData_Vertical.CellFormatting
        Try

            If dgv_DisplayData_Vertical.Rows(e.RowIndex).Cells("LevelID").Value.ToString() = "6" Then

                e.CellStyle.BackColor = Color.DimGray
            End If
            If dgv_DisplayData_Vertical.Rows(e.RowIndex).Cells("LevelID").Value.ToString() = "5" Then
                e.CellStyle.BackColor = Color.DarkSlateGray
            End If
            If dgv_DisplayData_Vertical.Rows(e.RowIndex).Cells("LevelID").Value.ToString() = "4" Then
                e.CellStyle.BackColor = Color.SlateGray
            End If
            If dgv_DisplayData_Vertical.Rows(e.RowIndex).Cells("LevelID").Value.ToString() = "3" Then
                e.CellStyle.BackColor = Color.LightGray
            End If
            If dgv_DisplayData_Vertical.Rows(e.RowIndex).Cells("LevelID").Value.ToString() = "0" Then
                e.CellStyle.BackColor = Color.White
            End If

        Catch ex As Exception

        End Try

    End Sub

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