GrapeCity.Windows.SpreadSheet.Data.CellRange cellr2 = new GrapeCity.Windows.SpreadSheet.Data.CellRange(1, 0, 1, 4);
GrapeCity.Windows.SpreadSheet.Data.SparklineSetting ex = new GrapeCity.Windows.SpreadSheet.Data.SparklineSetting();
ex.DisplayEmptyCellsAs = GrapeCity.Windows.SpreadSheet.Data.EmptyValueStyle.Zero;
ex.DisplayXAxis = true;
gcSpreadSheet1.Sheets[0].Cells[1, 0].Value = 5;
gcSpreadSheet1.Sheets[0].Cells[1, 1].Value = 3;
gcSpreadSheet1.Sheets[0].Cells[1, 3].Value = 4;
gcSpreadSheet1.Sheets[0].SetSparkline(1, 5, cellr2, GrapeCity.Windows.SpreadSheet.Data.DataOrientation.Horizontal, GrapeCity.Windows.SpreadSheet.Data.SparklineType.Line, ex);
gcSpreadSheet1.Invalidate();