Worksheet worksheet1 = worksheets.get(0);
Worksheet worksheet2 = worksheets.add("Sheet2");
//Applying freeze panes settings
worksheet1.freezePanes(0,2,0,2); // Freezing Columns
worksheet2.freezePanes(2,0,2,0); // Freezing Rows
//Saving the modified Excel file in default format
workbook.save("data/workbook_Aspose.xls");
//Print Message