Excel file import using X++ Code

In order to import data into AX from Excel through X++..
Excel file import using X++ code:

static void Salestargetdataimport(Args _args)
{
#AviFiles
SysOperationProgress progress = new SysOperationProgress();
SysExcelApplication application;
SysExcelWorkbooks workbooks;
SysExcelWorkbook workbook;
SysExcelWorksheets worksheets;
SysExcelWorksheet worksheet;
SysExcelWorkSheet workSheetInventTableModule;
SysExcelCells cellsInventTableModule;
SysExcelCells cells;
COMVariantType type;
COMVariantType typeModule;
DataEntryForm DataEntryForm1;
int row = 0;
FileIoPermission perm;
dipl_monthsofyear months;
year1 year1;
Country Country2;
#define.Filename('D:\Manish_Sales_to_Ax.xlsx')
#define.FileMode('R')
;

perm = new FileIOPermission(#FileName, #FileMode);
perm.assert();
application = SysExcelApplication::construct();
workbooks = application.workbooks();
try
{
workbooks.open(#Filename);
}
catch (Exception::Error)
{
throw error("File cannot be opened.");
}
workbook = workbooks.item(1);
worksheets = workbook.worksheets();
worksheet = worksheets.itemFromNum(1);//.itemFromName("Sales target");
cells = worksheet.cells();
progress.setCaption("Sales target data import...");
progress.setAnimation(#AviTransfer);
try
{
ttsbegin;
do
{
row++;
if (row > 1)
{
select firstonly DataEntryForm1
where DataEntryForm1.SalesPersonName == any2str(cells.item(row, 1).value().bStr())
&& DataEntryForm1.Year1 == str2enum(Year1, any2str(cells.item(row, 4).value().bStr()))
&& DataEntryForm1.MonthsOfYear == str2enum(Months, any2str(cells.item(row, 3).value().bStr()));
if (!DataEntryForm1)
{
DataEntryForm1.SalesPersonName = any2str(cells.item(row, 1).value().bStr());
DataEntryForm1.Country = str2enum(Country2, any2str(cells.item(row, 2).value().bStr()));
DataEntryForm1.MonthsOfYear = str2enum(Months, any2str(cells.item(row, 3).value().bStr()));
DataEntryForm1.Year1 = str2enum(Year1, any2str(cells.item(row, 4).value().bStr()));
if (DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::April || DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::May
|| DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::June)
{
DataEntryForm1.DIPL_QuarterOfYear = DIPL_QuarterOfYear::Q1;
}
else if (DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::July || DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::August
|| DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::September)
{
DataEntryForm1.DIPL_QuarterOfYear = DIPL_QuarterOfYear::Q2;
}
else if (DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::October || DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::November
|| DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::December)
{
DataEntryForm1.DIPL_QuarterOfYear = DIPL_QuarterOfYear::Q3;
}
else if (DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::January || DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::February
|| DataEntryForm1.MonthsOfYear == Dipl_MonthsOfYear::March)
{
DataEntryForm1.DIPL_QuarterOfYear = DIPL_QuarterOfYear::Q4;
}
DataEntryForm1.OrderBookClosuresPlanned = cells.item(row, 5).value().double();
DataEntryForm1.OrderBookClosuresActual = cells.item(row, 6).value().double();
if (DataEntryForm1.OrderBookClosuresPlanned || DataEntryForm1.OrderBookClosuresActual)
{
DataEntryForm1.AcheivedPercentOrderBookClosure = (DataEntryForm1.OrderBookClosuresActual/DataEntryForm1.OrderBookClosuresPlanned) * 100;
}
DataEntryForm1.SalesPipeLinePlanned = cells.item(row, 7).value().double();
DataEntryForm1.SalesPipeLineActual = cells.item(row, 8).value().double();
if (DataEntryForm1.SalesPipeLinePlanned || DataEntryForm1.SalesPipeLineActual)
{
DataEntryForm1.AcheivedPercentSalesPipeline = (DataEntryForm1.SalesPipeLineActual/DataEntryForm1.SalesPipeLinePlanned) * 100;
}
DataEntryForm1.NumOfProposalsPlanned = cells.item(row, 9).value().double();
DataEntryForm1.NumOfProposalSubmitted = cells.item(row, 10).value().double();
if (DataEntryForm1.NumOfProposalsPlanned || DataEntryForm1.NumOfProposalSubmitted)
{
DataEntryForm1.AcheivedPercentNoOfProposals = (DataEntryForm1.NumOfProposalSubmitted/DataEntryForm1.NumOfProposalsPlanned) * 100;
}
DataEntryForm1.ValueOfProposalsPlanned = cells.item(row, 11).value().double();
DataEntryForm1.ValueOfProposalsSubmitted = cells.item(row, 12).value().double();
if (DataEntryForm1.ValueOfProposalsPlanned || DataEntryForm1.ValueOfProposalsSubmitted)
{
DataEntryForm1.AcheivedPercentValuOfProposals = (DataEntryForm1.ValueOfProposalsSubmitted/DataEntryForm1.ValueOfProposalsPlanned) * 100;
}
DataEntryForm1.insert();
}
}
type = cells.item(row+1, 1).value().variantType();
} while (type != COMVariantType::VT_EMPTY);
ttscommit;
}
catch (Exception::Error)
{
workbooks.close();
CodeAccessPermission::revertAssert();
application.quit();
ttsabort;
}
workbooks.close();
CodeAccessPermission::revertAssert();
application.quit();
}