GcSpreadSheet1.Sheets[0].Cells[0, 0].Value = 1;
GcSpreadSheet1.Sheets[0].Cells[1, 0].Value = 1;
GcSpreadSheet1.Sheets[0].Cells[2, 0].Value = 6;
GcSpreadSheet1.Sheets[0].Cells[3, 0].Value = 3;
GrapeCity.Windows.SpreadSheet.Data.StyleInfo style1 = new GrapeCity.Windows.SpreadSheet.Data.StyleInfo();
style1.Background = new SolidColorBrush(Colors.Green);
GcSpreadSheet1.Sheets[0].ConditionalFormats.AddDuplicateRule(style1, new GrapeCity.Windows.SpreadSheet.Data.CellRange[] { new GrapeCity.Windows.SpreadSheet.Data.CellRange(0, 0, 5, 1) });
GcSpreadSheet1.Sheets[0].Cells[3, 1].Text = GcSpreadSheet1.Sheets[0].ConditionalFormats.RuleCount.ToString();