grid can not be clear after second action

<?init class="ibs.transaksi.sales.NewSalesInvoice" ?>

<window id="wndsalesinvoiceentry" title="New Sales Invoice"
	mode="overlapped" closable="true"
	use="ibs.transaksi.sales.NewSalesInvoice"
	onClose="wndsalesinvoiceentry.refreshList()">
	Customer :
	<combobox id="customer" autodrop="true" />
	<separator />
	Nomor :
	<textbox id="no" />
	Tanggal :
	<datebox id="tanggaltransaksi" format="dd/MM/yyyy" compact="true" />
	<vbox>
		keterangan
		<textbox id="keterangan" rows="5" cols="140" multiline="true" />
	</vbox>
	<separator />
	<grid id="salesinvoicedetil" height="130px">
		<columns>
			<column label="Item" />
			<column label="Deskripsi" />
			<column label="Quantity" />
			<column label="Unit Price" />
			<column label="Satuan" />
			<column label="Price" align="right" />
			<column label="" />
		</columns>
		<rows id="gridrows"></rows>
	</grid>
	<grid>
		<columns>
			<column />
			<column align="right" />
		</columns>
		<rows>
			<row>
				<label value="Sub Total" />
				<label id="subtotal" value="0" />
			</row>
			<row>
				<label value="Diskon" />
				<decimalbox id="diskoninvoice" format="#,##0.##"
					value="0" onBlur="wndsalesinvoiceentry.recalculateDiscount()" />
			</row>
			<row>
				<label value="Total Invoice" />
				<label id="totalinvoice" value="0" />
			</row>
		</rows>
	</grid>
	<groupbox>
		<button label="Save" id="save"
			onClick="wndsalesinvoiceentry.actionSave()" />
		<button label="Save New" id="savenew" visible="true"
			onClick="wndsalesinvoiceentry.onSaveAndNew()" />
		<button label="Print" id="print"
			onClick="wndsalesinvoiceentry.onPrint()" />
	</groupbox>
</window>

package ibs.transaksi.sales;

import ibs.object.control.invoice.EntryInvoiceSalesForm;
import ibs.object.generic.Form;
import ibs.object.generic.ItemObject;

import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import javax.transaction.xa.Xid;

import org.joda.time.DateTime;
import org.zkoss.zk.ui.Page;
import org.zkoss.zk.ui.Sessions;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zul.Button;
import org.zkoss.zul.Combobox;
import org.zkoss.zul.Datebox;
import org.zkoss.zul.Decimalbox;
import org.zkoss.zul.Grid;
import org.zkoss.zul.Groupbox;
import org.zkoss.zul.Intbox;
import org.zkoss.zul.Label;
import org.zkoss.zul.ListModel;
import org.zkoss.zul.Row;
import org.zkoss.zul.RowRenderer;
import org.zkoss.zul.SimpleListModel;
import org.zkoss.zul.Textbox;
import org.zkoss.zul.Toolbarbutton;
import org.zkoss.zul.Window;

import com.mysql.jdbc.jdbc2.optional.MysqlXid;

public class NewSalesInvoice extends EntryInvoiceSalesForm{

	/**
	 * 
	 */
	private static final long serialVersionUID = 5382107385315920460L;

	private int DETAILARRAY=8;
	protected static final String TABLETYPE ="SI";
	private String GRIDNAME="salesinvoicedetil";
	private String WINDOWNAME= "wndsalesinvoiceentry";


	public NewSalesInvoice() {
		super();
	}

	NewSalesInvoice(int id,String name){
		super(id,name);
	}

	@Override
	public void doAfterCompose(Page arg0) throws Exception {
		super.doAfterCompose(arg0);
		setDisplayGrid();
		NewSalesInvoice frmObj = (NewSalesInvoice)(Sessions.getCurrent()).getAttribute("form");
		if (frmObj != null){
			_updateState = Boolean.TRUE;
			ItemObject itmObj = (ItemObject)frmObj.getItemObject();

			Connection con = null;
			PreparedStatement pstmt = null;
			ResultSet rs = null;
			try{
				con = doOpenConnection();
				StringBuffer sbSQLStatement = new StringBuffer();
				getMasterData(Integer.parseInt(itmObj.getItemId()),sbSQLStatement,rs,pstmt,con);
				getDetailData(Integer.parseInt(itmObj.getItemId()),sbSQLStatement,rs,pstmt,con);
			}catch(SQLException e1){log.error(e1.getMessage());}
			finally{
				rs = (ResultSet)doClose(rs);
				pstmt = (PreparedStatement)doClose(pstmt);
				con = (Connection)doClose(con);
			}
		}
	}

	private void getDetailData(int siId,StringBuffer sbSQLStatement,
			ResultSet rs, PreparedStatement pstmt,Connection con)
	throws SQLException{
		sbSQLStatement = new StringBuffer("SELECT COUNT(SIDETAIL_ID) AS REC ")
		.append("FROM SIDETAIL ")
		.append("WHERE SIDETAIL_ID=?");
		pstmt = con.prepareStatement(sbSQLStatement.toString());
		pstmt.setInt(1, siId);
		rs = pstmt.executeQuery();
		int rowData = 0;
		while (rs != null & rs.next()){
			rowData = rs.getInt("REC");
		}
		sbSQLStatement = new StringBuffer("SELECT A.SIDETAIL_ITEMID,A.SIDETAIL_ITEMDESC,")
		.append("A.SIDETAIL_QTY,A.SIDETAIL_PRICE,A.SIDETAIL_UNITDESC,B.ITEM_NO ")
		.append("FROM SIDETAIL A ")
		.append("INNER JOIN ITEM B ON B.ITEM_ID = A.SIDETAIL_ITEMID ")
		.append("WHERE SIDETAIL_ID=?");
		pstmt = con.prepareStatement(sbSQLStatement.toString());
		pstmt.setInt(1, siId);
		rs = pstmt.executeQuery();

		int lastIdx=0;

		String[][] rowgrid = new String[rowData+1];
		rowgrid[0][0]= "";
		rowgrid[0][1]= "NewItemTransaksi";
		rowgrid[0][2]= "";
		rowgrid[0][3]= "1";
		rowgrid[0][4]= "0";
		rowgrid[0][5]= "";
		rowgrid[0][6]= "0";
		rowgrid[0][7]= "AddItemTransaksi";
		ListModel strset = null;
		Grid mygrid = (Grid)getComponent(GRIDNAME);
		lstGrid = new ArrayList<String[]>();
		String[] detail = new String;
		while (rs != null & rs.next()){
			rowgrid[++lastIdx][0] = rs.getString("SIDETAIL_ITEMID");
			rowgrid[1] = rs.getString("ITEM_NO");;
			rowgrid[2] = rs.getString("SIDETAIL_ITEMDESC");
			rowgrid[3]= String.valueOf(rs.getInt("SIDETAIL_QTY"));
			rowgrid[4]= rs.getString("SIDETAIL_PRICE");
			rowgrid[5]= rs.getString("SIDETAIL_UNITDESC");
			rowgrid[6]= String.valueOf(rs.getBigDecimal("SIDETAIL_PRICE").multiply(rs.getBigDecimal("SIDETAIL_QTY")).setScale(BigDecimal.ROUND_UP,4));
			rowgrid[7]= "DeleteItemTransaksi";		
			detail[0] = rowgrid[0];
			detail[1] = rowgrid[1];
			detail[2] = rowgrid[2];
			detail[3] = rowgrid[3];
			detail[4] = rowgrid[4];
			detail[5] = rowgrid[5];
			detail[6] = rowgrid[6];
			lstGrid.add(detail);
			strset = new SimpleListModel(rowgrid);
			try{
				mygrid.setModel(strset);
				mygrid.setRowRenderer(new rowRendererDynamicGrid());
			}catch(Exception e1){log.debug(e1.getMessage());}
		}
		(Sessions.getCurrent()).setAttribute("itemDetail", lstGrid);
		InvoiceFooter();
	}

	private void getMasterData(int siId,StringBuffer sbSQLStatement,
			ResultSet rs, PreparedStatement pstmt,Connection con)
	throws SQLException{
		//			Component Master
		Combobox cboCustomer = (Combobox)getComponent("customer");
		Textbox txtSalesInvoiceNumber = (Textbox)getComponent("no");
		Datebox dbTanggal = (Datebox)getComponent("tanggaltransaksi");
		Textbox multiKeterangan = (Textbox)getComponent("keterangan");
		//			End Component Master

		sbSQLStatement = new StringBuffer("SELECT SIMASTER_CUSTOMERID,SIMASTER_NO,")
		.append("SIMASTER_DATE,SIMASTER_DESC ")
		.append("FROM SIMASTER ")
		.append("WHERE SIMASTER_ID=?");
		pstmt = con.prepareStatement(sbSQLStatement.toString());
		pstmt.setInt(1, siId);
		rs = pstmt.executeQuery();
		String[][] customer = (String[][])(Sessions.getCurrent()).getAttribute("arrCustomer");
		int i=0;
		while (rs != null & rs.next()){
			for ( ;i< customer.length;i++){
				if ((customer<i >[0]).equals(rs.getString("SIMASTER_CUSTOMERID")))
					break;
			}
			cboCustomer.setValue(customer<i >[1]);
			txtSalesInvoiceNumber.setValue(rs.getString("SIMASTER_NO"));
			multiKeterangan.setValue(rs.getString("SIMASTER_DESC"));
			dbTanggal.setValue(new DateTime(rs.getDate("SIMASTER_DATE").toString()).toDate());
		}
	}

	private void setDisplayGrid(){
		ListModel strset = null;
		int lastIdx = 0;
		Grid mygrid = (Grid)getComponent(GRIDNAME);
		if (lstGrid == null){
			lstGrid = new ArrayList<String[]>();
		}
		String[][] rowgrid = new String[lstGrid.size()+1];
		rowgrid[0][0]= "";
		rowgrid[0][1]= "NewItemTransaksi";
		rowgrid[0][2]= "";
		rowgrid[0][3]= "1";
		rowgrid[0][4]= "0";
		rowgrid[0][5]= "";
		rowgrid[0][6]= "0";
		rowgrid[0][7]= "AddItemTransaksi";

		//		munculkan yang lain;
		for (int i=lstGrid.size()-1;i>=0;i--){
			String[] temp = (String[])lstGrid.get(i);
			rowgrid[++lastIdx][0] = temp[0];
			rowgrid[1] = temp[1];
			rowgrid[2] = temp[2];
			rowgrid[3]= temp[3];
			rowgrid[4]= temp[4];
			rowgrid[5]= temp[5];
			rowgrid[6]= temp[6];
			rowgrid[7]= "DeleteItemTransaksi";			
		}
		strset = new SimpleListModel(rowgrid);
		try{
			mygrid.setModel(strset);
			mygrid.setRowRenderer(new rowRendererDynamicGrid());
		}catch(Exception e1){log.debug(e1.getMessage());}
	}

	class rowRendererDynamicGrid implements RowRenderer{
		private int idx; 

		public rowRendererDynamicGrid(){
			idx = -1;
		}

		public void render(Row row, java.lang.Object data) throws Exception {
			String[] _data = (String[])data;
			Groupbox grpBtn = new Groupbox();
			itemId(new Label(_data[0]),grpBtn);
			itemCode(new Toolbarbutton(_data[1]),grpBtn);
			grpBtn.setParent(row);


			itemName(new Textbox(_data[2]),row);
			itemQty(new Intbox(Integer.parseInt(_data[3])),row);
			itemUnitPrice(new Decimalbox(new BigDecimal(_data[4])),row);
			itemSatuan(new Combobox(_data[5]),row);
			itemPrice(new Decimalbox(new BigDecimal(_data[6])),row);
			itemAction(new Toolbarbutton(_data[7]),row);

		}

		private void itemId(Label obj,Groupbox row){		
			obj.setId("itemid".concat(String.valueOf(++idx)));
			obj.setVisible(Boolean.FALSE);
			obj.setParent(row);
		}

		private void itemCode(Toolbarbutton obj,Groupbox row){		
			obj.setId("itemcode".concat(String.valueOf(idx)));
			obj.setParent(row);
			obj.addEventListener("onClick", new EventListener() {
				public void onEvent(Event event)
				{
					itemToSell(event.getTarget().getId().substring(8));
				}
			});
		}

		private void itemName(Textbox obj,Row row){		
			obj.setId("name".concat(String.valueOf(idx)));
			obj.setParent(row);
		}

		private void itemQty(Intbox obj,Row row){
			obj.setId("qty".concat(String.valueOf(idx)));
			obj.setParent(row);
			obj.addEventListener("onBlur", new EventListener(){
				public void onEvent(Event event)
				{
					String idComponent = event.getTarget().getId().substring(3);
					Intbox intQty = (Intbox)getComponent("qty".concat(String.valueOf(idComponent)));
					Decimalbox dbUnitPrice = (Decimalbox)getComponent("unitprice".concat(String.valueOf(idComponent)));
					Decimalbox price = (Decimalbox)getComponent("price".concat(String.valueOf(idComponent)));
					price.setValue(new BigDecimal(calculatePrice(intQty.getValue(), dbUnitPrice.getValue())));
					setToArray(idComponent);
				}
			});
		}

		private void itemUnitPrice(Decimalbox obj,Row row){		
			obj.setId("unitprice".concat(String.valueOf(idx)));
			obj.setParent(row);
			obj.addEventListener("onBlur", new EventListener(){
				public void onEvent(Event event)
				{
					String idComponent = event.getTarget().getId().substring(9);
					Intbox intQty = (Intbox)getComponent("qty".concat(String.valueOf(idComponent)));
					Decimalbox dbUnitPrice = (Decimalbox)getComponent("unitprice".concat(String.valueOf(idComponent)));
					Decimalbox price = (Decimalbox)getComponent("price".concat(String.valueOf(idComponent)));
					price.setValue(new BigDecimal(calculatePrice(intQty.getValue(), dbUnitPrice.getValue())));
					setToArray(idComponent);
				}
			});			
		}

		private void itemSatuan(Combobox obj,Row row){		
			obj.setId("satuan".concat(String.valueOf(idx)));
			obj.setParent(row);
			obj.addEventListener("onBlur", new EventListener(){
				public void onEvent(Event event)
				{
					String idComponent = event.getTarget().getId().substring(6);
					Intbox intQty = (Intbox)getComponent("qty".concat(String.valueOf(idComponent)));
					Decimalbox dbUnitPrice = (Decimalbox)getComponent("unitprice".concat(String.valueOf(idComponent)));
					Decimalbox price = (Decimalbox)getComponent("price".concat(String.valueOf(idComponent)));
					price.setValue(new BigDecimal(calculatePrice(intQty.getValue(), dbUnitPrice.getValue())));
					setToArray(idComponent);
				}
			});			
		}

		private void itemPrice(Decimalbox obj,Row row){		
			obj.setId("price".concat(String.valueOf(idx)));
			obj.setParent(row);
			obj.setReadonly(Boolean.FALSE);
		}

		private void itemAction(Toolbarbutton obj,Row row){		
			obj.setId("action".concat(String.valueOf(idx)));
			obj.setParent(row);
			obj.addEventListener("onClick", new EventListener() {
				public void onEvent(Event event)
				{
					if (((Toolbarbutton)event.getTarget()).getLabel().equals("AddItemTransaksi")){
						setToArray(event.getTarget().getId().substring(6),"Ins");
					} else {
						setToArray(event.getTarget().getId().substring(6),"Del");
					}
				}
			});
		}

		private void setToArray(String idx) {
			setToArray(idx, "Edt");
		}

		private void setToArray(String idx,String state) {
			String[] detail = new String;
			if (lstGrid != null){
				Label itemId = (Label)getComponent("itemid".concat(idx));
				Toolbarbutton itemCode = (Toolbarbutton)getComponent("itemcode".concat(idx));
				Textbox itemName = (Textbox)getComponent("name".concat(idx));
				Decimalbox itemPrice = (Decimalbox)getComponent("unitprice".concat(idx));
				Intbox itemQty = (Intbox)getComponent("qty".concat(idx));
				Combobox itemSatuan = (Combobox)getComponent("satuan".concat(idx));

				String satuan = itemSatuan.getValue();
				if ( satuan.equals("")){
					satuan ="1"; 
				}

				detail[0] = itemId.getValue();
				detail[1] = itemCode.getLabel();
				detail[2] = itemName.getValue();
				detail[3] = String.valueOf(itemQty.getValue());
				detail[4] = itemPrice.getValue().setScale(4,BigDecimal.ROUND_UP).toString(); 
				detail[5] = satuan;
				detail[6] = calculatePrice(itemQty.getValue(),itemPrice.getValue());

				if (state.equalsIgnoreCase("ins") && Integer.parseInt(idx) == 0){ // When Insert Item
					idx = "1";
					lstGrid.add(detail);
				} 
				if (state.equalsIgnoreCase("edt") && Integer.parseInt(idx) !=  0){ // When Edit Item
					lstGrid.set(lstGrid.size()-Integer.parseInt(idx),detail);
				}
				if (state.equalsIgnoreCase("del") && Integer.parseInt(idx) != 0){ // When Delete Item
					lstGrid.remove(lstGrid.size()-Integer.parseInt(idx));
				}

				if ((lstGrid.size() > 0 && Integer.parseInt(idx) != 0) || state.equalsIgnoreCase("del")) {
					(Sessions.getCurrent()).setAttribute("itemDetail", lstGrid);
					InvoiceFooter();
					setDisplayGrid();
				}
			}              
		}		
	}

	private void itemToSell(String idx) {
		(Sessions.getCurrent()).setAttribute("idxitem", idx);
		onModalWindow("../transaksi/item.zul");
	}

	@Override
	public void actionSave(){
		super.actionSave();
		Form frmObj = (Form)(Sessions.getCurrent()).getAttribute("form");
		if (frmObj == null){
			onSave();
		} else {
			onUpdate();
		}
	}

	@Override
	public void onSave() {
		Connection con = null;
		PreparedStatement pstmt = null;
		String[][] customer = (String[][])(Sessions.getCurrent()).getAttribute("arrCustomer");
		Xid xid = new MysqlXid(new byte[]{0x02}, new byte[]{0x01}, 100);
		int ret;

		//Component Master
		Combobox cboCustomer = (Combobox)getComponent("customer");
		Textbox txtSalesInvoiceNumber = (Textbox)getComponent("no");
		Datebox dbTanggal = (Datebox)getComponent("tanggaltransaksi");
		Textbox multiKeterangan = (Textbox)getComponent("keterangan");
		//End Component Master

		try{
			con = doOpenConnection();

			int transaksiId = getLastId(TABLETYPE);
			StringBuffer sbSQLStatement = new StringBuffer("INSERT INTO SIMASTER ")
			.append("(SIMASTER_ID,SIMASTER_NO,SIMASTER_DATE,SIMASTER_CUSTOMERID,SIMASTER_DESC) VALUES")
			.append("(?,?,?,?,?)");
			pstmt = con.prepareStatement(sbSQLStatement.toString());
			pstmt.setInt(1, transaksiId);
			pstmt.setString(2, txtSalesInvoiceNumber.getValue());
			pstmt.setString(3, sdDate.format(dbTanggal.getValue()));
			pstmt.setString(4, customer[cboCustomer.getSelectedIndex()][0]);
			pstmt.setString(5, multiKeterangan.getValue());
			pstmt.execute();

			sbSQLStatement = new StringBuffer("INSERT INTO SIDETAIL ")
			.append("(SIDETAIL_ID,SIDETAIL_SEQ,SIDETAIL_ITEMID,SIDETAIL_ITEMDESC,")
			.append("SIDETAIL_QTY,SIDETAIL_PRICE,SIDETAIL_UNITRATIO,SIDETAIL_UNITDESC,SIDETAIL_RECVITEM) VALUES")
			.append("(?,?,?,?,?,?,?,?,?)");
			pstmt = con.prepareStatement(sbSQLStatement.toString());

			Label itemId = null;
			Textbox itemName = null;
			Decimalbox itemPrice = null;
			Intbox itemQty = null;
			Combobox itemSatuan = null;

			List<String[]> item = (List<String[]>)(Sessions.getCurrent()).getAttribute("itemDetail");
			for (int idx =0;idx< item.size();){
				itemId = (Label)getComponent("itemid".concat(String.valueOf(++idx)));
				itemName = (Textbox)getComponent("name".concat(String.valueOf(idx)));
				itemPrice = (Decimalbox)getComponent("unitprice".concat(String.valueOf(idx)));
				itemQty = (Intbox)getComponent("qty".concat(String.valueOf(idx)));
				itemSatuan = (Combobox)getComponent("satuan".concat(String.valueOf(idx)));

				pstmt.setInt(1, transaksiId);
				pstmt.setInt(2, idx);
				pstmt.setString(3, itemId.getValue());
				pstmt.setString(4, itemName.getValue());
				pstmt.setInt(5, itemQty.getValue());
				pstmt.setBigDecimal(6, itemPrice.getValue());
				pstmt.setInt(7, 1);
				pstmt.setString(8, itemSatuan.getValue());		
				pstmt.setString(9, TABLETYPE);
				pstmt.addBatch();
			}

			pstmt.executeBatch();
			_successSave =Boolean.TRUE;
			if (!SAVEANDNEW){
				NewSalesInvoice frmObject  = new NewSalesInvoice(transaksiId,TABLETYPE);
				(Sessions.getCurrent()).setAttribute("form", frmObject);
			}			
		}catch(SQLException e1){
			_successSave =Boolean.FALSE;
			log.error(e1.getMessage());
		}
		finally{
			pstmt =(PreparedStatement)doClose(pstmt);
			con =(Connection)doClose(con);
			super.onSave();
		}
	}

	@Override
	public void onUpdate() {
		NewSalesInvoice frmObj = (NewSalesInvoice)(Sessions.getCurrent()).getAttribute("form");
		ItemObject formObj = frmObj.getItemObject();
		int transaksiId = Integer.parseInt(formObj.getItemId());
		_successUpdate = Boolean.FALSE;

		Connection con = null;
		PreparedStatement pstmt = null;
		String[][] customer = (String[][])(Sessions.getCurrent()).getAttribute("arrCustomer");

		//Component Master
		Combobox cboCustomer = (Combobox)getComponent("customer");
		Textbox txtSalesInvoiceNumber = (Textbox)getComponent("no");
		Datebox dbTanggal = (Datebox)getComponent("tanggaltransaksi");
		Textbox multiKeterangan = (Textbox)getComponent("keterangan");
		//End Component Master

		try{
			con = doOpenConnection();
			StringBuffer sbSQLStatement = new StringBuffer();
			//Delete Detail First
			sbSQLStatement = new StringBuffer("DELETE FROM SIDETAIL WHERE SIDETAIL_ID=?");
			pstmt = con.prepareStatement(sbSQLStatement.toString());
			pstmt.setInt(1, transaksiId);
			pstmt.execute();

			//Delete Master
			sbSQLStatement = new StringBuffer("DELETE FROM SIMASTER WHERE SIMASTER_ID=?");
			pstmt = con.prepareStatement(sbSQLStatement.toString());
			pstmt.setInt(1, transaksiId);
			pstmt.execute();			

			sbSQLStatement = new StringBuffer("INSERT INTO SIMASTER ")
			.append("(SIMASTER_ID,SIMASTER_NO,SIMASTER_DATE,SIMASTER_CUSTOMERID,SIMASTER_DESC) VALUES")
			.append("(?,?,?,?,?)");
			pstmt = con.prepareStatement(sbSQLStatement.toString());
			pstmt.setInt(1, transaksiId);
			pstmt.setString(2, txtSalesInvoiceNumber.getValue());
			pstmt.setString(3, sdDate.format(dbTanggal.getValue()));
			pstmt.setString(4, customer[cboCustomer.getSelectedIndex()][0]);
			pstmt.setString(5, multiKeterangan.getValue());
			pstmt.execute();

			sbSQLStatement = new StringBuffer("INSERT INTO SIDETAIL ")
			.append("(SIDETAIL_ID,SIDETAIL_SEQ,SIDETAIL_ITEMID,SIDETAIL_ITEMDESC,")
			.append("SIDETAIL_QTY,SIDETAIL_PRICE,SIDETAIL_UNITRATIO,SIDETAIL_UNITDESC,SIDETAIL_RECVITEM) VALUES")
			.append("(?,?,?,?,?,?,?,?,?)");
			pstmt = con.prepareStatement(sbSQLStatement.toString());

			Label itemId = null;
			Textbox itemName = null;
			Decimalbox itemPrice = null;
			Intbox itemQty = null;
			Combobox itemSatuan = null;

			List<String[]> item = (List<String[]>)(Sessions.getCurrent()).getAttribute("itemDetail");
			for (int idx =0;idx< item.size();){
				itemId = (Label)getComponent("itemid".concat(String.valueOf(++idx)));
				itemName = (Textbox)getComponent("name".concat(String.valueOf(idx)));
				itemPrice = (Decimalbox)getComponent("unitprice".concat(String.valueOf(idx)));
				itemQty = (Intbox)getComponent("qty".concat(String.valueOf(idx)));
				itemSatuan = (Combobox)getComponent("satuan".concat(String.valueOf(idx)));

				pstmt.setInt(1, transaksiId);
				pstmt.setInt(2, idx);
				pstmt.setString(3, itemId.getValue());
				pstmt.setString(4, itemName.getValue());
				pstmt.setInt(5, itemQty.getValue());
				pstmt.setBigDecimal(6, itemPrice.getValue());
				pstmt.setInt(7, 1);
				pstmt.setString(8, itemSatuan.getValue());
				pstmt.setString(9, TABLETYPE);
				pstmt.addBatch();
			}
			pstmt.executeBatch();
			_successUpdate =Boolean.TRUE;
		}catch(SQLException e1){
			_successUpdate =Boolean.FALSE;
			log.error(e1.getMessage());
		}
		finally{
			pstmt =(PreparedStatement)doClose(pstmt);
			con =(Connection)doClose(con);
			super.onUpdate();
		}

	}

	@Override
	public void onSaveAndNew() {
		super.onSaveAndNew();
		Button btn = (Button)getComponent("savenew");	
		if (btn.getLabel().equals("Save New")){
			onSave();
			clearComponent();
		} else {
			onCloseWindow(WINDOWNAME);
		}
	}

	@Override
	public void clearComponent() {
		super.clearComponent();
		clearTextBox((Textbox)getComponent("no"));
		clearTextBox((Textbox)getComponent("keterangan"));

		Combobox cboCustomer = (Combobox)getComponent("customer");
		Datebox dbTanggal = (Datebox)getComponent("tanggaltransaksi");

		cboCustomer.setValue("");
		dbTanggal.setValue(new DateTime().toDate());

		Grid mygrid = (Grid)getComponent(GRIDNAME);
		mygrid.getRows().getChildren().clear();

		setDisplayGrid();
	}

	public void onPrint(){
		if (_successSave){

		}
	}

	@Override
	public void refreshList(){
		super.refreshList();
		onRefresh((Window)getComponent("wndsalesinvoiceentry"), ListSalesInvoice.LISTSALESINVOICE);
	}	
}