//Instantiating an Workbook object
Workbook workbook = new Workbook();
//Obtaining the reference of the newly added worksheet
Worksheet ws = workbook.Worksheets[0];
Cells cells = ws.Cells;

//Setting the value to the cells
Cell cell = cells["A1"];
cell.PutValue("Fruit");
cell = cells["B1"];
cell.PutValue("Count");
cell = cells["C1"];
cell.PutValue("Price");

cell = cells["A2"];
cell.PutValue("Apple");
cell = cells["A3"];
cell.PutValue("Mango");
cell = cells["A4"];
cell.PutValue("Blackberry");
cell = cells["A5"];
cell.PutValue("Cherry");

Cell c3 = cells["C3"];
//set html string for C3 cell.
c3.HtmlString = "<b>test bold</b>";

Cell c4 = cells["C4"];
//set html string for C4 cell.
c4.HtmlString = "<i>test italic</i>";

//get the html string of specific cell.
Console.WriteLine(c3.HtmlString);
Console.WriteLine(c4.HtmlString);