Create Movement Journal And Post from excel

static void MovementJournalImportExcel(Args _args)
{
     InventJournalTrans         inventJournalTrans;
     InventDim                  inventDim;
     InventJournalTable         inventJournalTable;
     InventJournalCheckPost     journalCheckPost;
     InventJournalId            journalId;
     journalTableData           journalTabledata;
     InventBatch                inventBatch;
     InventBatch                localInventBatch;
     NumberSeq                  numberSeq;
     NumberSequenceReference    numberSequenceReference;
     InventSerial               inventSerial;
     InventSerial               localinventSerial;
     int j,countno=0,i,k;
     real Scarp;
     FilenameOpen    filename;

     Sysexcelapplication excelapp=sysexcelapplication::construct();
     sysexcelworksheet excelworksheet;
     sysexcelrange excelrange;
     sysexcelcells excelcells;
    // comvariant cellvalue=new comvariant();
    ;

    // Creating Journal Header
    inventJournaltable.initValue();
    inventJournalTable.JournalNameId = 'ERecover';
    numberSeq = new NumberSeq();
    numberSequenceReference = InventParameters::numRefInventJournalId();
    numberseq = NumberSeq::newGetNum(numberSequenceReference);

    inventJournalTable.JournalId = numberseq.num();
    inventJournalTable.Description = InventJournalName::find(inventJournalTable.JournalNameId).Description;
    inventJournalTable.insert();

    excelapp.workbooks().open('C:\xx.xls');
    excelworksheet=excelapp.worksheets().itemFromNum(1);
    excelcells=excelworksheet.cells();

    // Creating Unit Numbers
     for(i=301;i<=5600;i++)
     {
        inventBatch.clear();
        inventBatch.initValue();
        inventBatch.itemId = excelcells.item(i,11).value().bStr();
        inventBatch.inventBatchId = excelcells.item(i,1).value().bStr();
        localinventBatch = InventBatch::find(inventBatch.inventBatchId,inventBatch.itemId);

        if(!localinventBatch)
        {
            inventBatch.OakSerialUnit = excelcells.item(i,2).value().bStr();
            inventBatch.insert();
        }
     }

    //Creating Appartment Numbers
     for(k=1;k<=648;k++)
     {
        inventSerial.clear();
        inventSerial.initValue();
        inventSerial.InventSerialId = excelcells.item(k,8).value().bStr();
        inventSerial.ItemId = excelcells.item(k,11).value().bStr();
        localinventSerial = InventSerial::find(inventSerial.InventSerialId,inventSerial.ItemId);

        if(!localInventSerial)
        {
            inventSerial.ProdDate = systemDateGet();
            inventSerial.insert();
        }
     }

     // Creating Journal Lines
     for(j=301;j<=5600;j++)
     {
        inventJournalTrans.clear();
        inventJournalTrans.initValue();
        inventJournalTrans.TransDate = systemDateGet();
        inventJournalTrans.LedgerAccountIdOffset = "99999";
        inventJournalTrans.JournalType = InventJournalType::Movement;
        inventJournalTrans.JournalId = inventJournalTable.JournalId;
        numberSeq = new NumberSeq();
        numberSequenceReference = InventParameters::numRefInventJournalVoucherId();
        numberseq = NumberSeq::newGetNum(numberSequenceReference);

        inventJournalTrans.Voucher     = numberseq.num();
        inventJournalTrans.ItemId      = excelcells.item(j,11).value().bStr();
        // defaulting branch and item name
        inventJournalTrans.CostAmount  = InventTable::find(inventJournalTrans.ItemId).inventTableModuleInvent().Price;
        inventJournalTable             = InventJournalTable::find(inventJournalTrans.JournalId);
        inventDim.InventLocationId     = excelcells.item(j,10).value().bStr();
        inventDim.inventBatchId        = excelcells.item(j,1).value().bStr();
        inventDim.inventSerialId       = excelcells.item(j,8).value().bStr();
        inventJournalTrans.InventDimId = inventDim::findOrCreate(inventDim).inventDimId;
        inventJournalTrans.Qty         = 1;
        inventJournalTrans.AdjustmentNotes = "Initial Data Load";
        inventJournalTrans.LineNum = j;

        inventJournalTrans.insert();
     }

    excelapp.workbooks().item(1).saved(true);
    excelapp.workbooks().close();

    // Posting Journal
    journalTableData = JournalTableData::newTable(inventJournalTable);
    journalTableData.updateBlock(JournalBlockLevel::InUse,JournalBlockLevel::None);
    if (!infolog.num(Exception::Error))
    {
        infolog.clear(0);
        journalCheckPost =
        InventjournalCheckPost::newJournalCheckPost(JournalCheckPostType::Post,InventJournalTable);
        journalCheckPost.parmAutoBlock(true);
        journalCheckPost.run();
    }

 }