Importing data from excel file using SysExcelApplication class in AX 2012

Write the following code in job :

static void importExcel(Args _args)
{
    SysExcelApplication application;
    SysExcelWorkbooks workbooks;
    SysExcelWorkbook workbook;
    SysExcelWorksheets worksheets;
    SysExcelWorksheet worksheet;
    SysExcelCells cells;
    COMVariantType type;
    int row;
    ItemId itemid;
    Name name;
    FileName filename;

    application = SysExcelApplication::construct();
    workbooks = application.workbooks();
    //specify the file path that you want to read
    filename = "C:\\Users\\Desktop\\itemDetails.xlsx";
    try
    {
    workbooks.open(filename);
    }
    catch (Exception::Error)
    {
    throw error("File cannot be opened.");
    }

    workbook = workbooks.item(1);
    worksheets = workbook.worksheets();
    worksheet = worksheets.itemFromNum(1);
    cells = worksheet.cells();
    do
    {
    row++;
    itemId = cells.item(row, 1).value().bStr();
    name = cells.item(row, 2).value().bStr();
    info(strfmt('%1 - %2', itemId, name));
    type = cells.item(row+1, 1).value().variantType();
    }
    while (type != COMVariantType::VT_EMPTY);
    application.quit();

}