gcSpreadSheet1.Sheets[0].Cells[0, 1].Value = "c1";
gcSpreadSheet1.Sheets[0].Cells[0, 2].Value = "c2";
gcSpreadSheet1.Sheets[0].Cells[0, 3].Value = "c3";
gcSpreadSheet1.Sheets[0].Cells[1, 0].Value = "s1";
gcSpreadSheet1.Sheets[0].Cells[2, 0].Value = "s2";
gcSpreadSheet1.Sheets[0].Cells[3, 0].Value = "s3";
gcSpreadSheet1.Sheets[0].Cells[4, 0].Value = "s4";
gcSpreadSheet1.Sheets[0].Cells[5, 0].Value = "s5";
gcSpreadSheet1.Sheets[0].Cells[6, 0].Value = "s6";
gcSpreadSheet1.Sheets[0].Cells[1, 1].Value = 1;
gcSpreadSheet1.Sheets[0].Cells[2, 1].Value = 2;
gcSpreadSheet1.Sheets[0].Cells[3, 1].Value = 3;
gcSpreadSheet1.Sheets[0].Cells[4, 1].Value = 4;
gcSpreadSheet1.Sheets[0].Cells[5, 1].Value = 5;
gcSpreadSheet1.Sheets[0].Cells[6, 1].Value = 6;
gcSpreadSheet1.Sheets[0].Cells[1, 2].Value = 7;
gcSpreadSheet1.Sheets[0].Cells[2, 2].Value = 8;
gcSpreadSheet1.Sheets[0].Cells[3, 2].Value = 9;
gcSpreadSheet1.Sheets[0].Cells[4, 2].Value = 10;
gcSpreadSheet1.Sheets[0].Cells[5, 2].Value = 11;
gcSpreadSheet1.Sheets[0].Cells[6, 2].Value = 12;
gcSpreadSheet1.Sheets[0].Cells[1, 3].Value = 13;
gcSpreadSheet1.Sheets[0].Cells[2, 3].Value = 14;
gcSpreadSheet1.Sheets[0].Cells[3, 3].Value = 15;
gcSpreadSheet1.Sheets[0].Cells[4, 3].Value = 16;
gcSpreadSheet1.Sheets[0].Cells[5, 3].Value = 17;
gcSpreadSheet1.Sheets[0].Cells[6, 3].Value = 18;
GrapeCity.Windows.SpreadSheet.Data.SpreadChart chart = new GrapeCity.Windows.SpreadSheet.Data.SpreadChart();
chart.DataFormula = "Sheet1!$A$1:$D$7";
chart.Name = "Chart1";
chart.ChartType = GrapeCity.Windows.SpreadSheet.Data.SpreadChartType.Area;
gcSpreadSheet1.Sheets[0].Charts.Add(chart);