Hi Monisha,
Well, you may use PageSetup.PrintArea property to specify your worksheet printing area.
E.g. (If the printing area is dynamic),
Workbook workbook = new Workbook();
int maxrow = workbook.Worksheets[0].Cells.MaxDataRow+1;
int maxcol = workbook.Worksheets[0].Cells.MaxDataColumn+1;
workbook.Worksheets[0].PageSetup.PrintArea = "A1" + ":" + CellsHelper.ColumnIndexToName(maxcol).ToString()+ CellsHelper.RowIndexToName(maxrow).ToString();
.
.
.
And if the area is static,
workbook.Worksheets[0].PageSetup.PrintArea = "A1:T50";
For further ref, please check:
Thank you.