// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET //Access the first worksheet GridWorksheet gridSheet = GridWeb1.WorkSheets[0]; //Input data into the cells of the first worksheet. gridSheet.Cells["A1"].PutValue("Product1"); gridSheet.Cells["A2"].PutValue("Product2"); gridSheet.Cells["A3"].PutValue("Product3"); gridSheet.Cells["A4"].PutValue("Product4"); gridSheet.Cells["B1"].PutValue(100); gridSheet.Cells["B2"].PutValue(200); gridSheet.Cells["B3"].PutValue(300); gridSheet.Cells["B4"].PutValue(400); //Set the caption of the first two columns. gridSheet.SetColumnCaption(0, "Product Name"); gridSheet.SetColumnCaption(1, "Price"); //Set the column width of the first column. gridSheet.Cells.SetColumnWidth(0, 20); //Set the second column header's tip. gridSheet.SetColumnHeaderToolTip(1, "Unit Price of Products");