Minova ERP Internal

var store = Ext.StoreMgr.lookup("storePTRSALESITEMS");

var grid = Ext.getCmp(gridName);

var selection = grid.getView().getSelectionModel().getSelection()[0];

var idx = grid.store.indexOf(selection);

var discountPercentage = val.value;

var priceAmount = store.getAt(idx).get('PriceAmount');

var quantityTransaction = store.getAt(idx).get('QuantityTransaction');

var discount = priceAmount * quantityTransaction * discountPercentage / 100;

store.getAt(idx).set('Discount', discount);

var netAmount = (quantityTransaction * priceAmount) - discount;

if (store.getAt(idx).get('TaxType') == '1') {

    var totAmount = netAmount;

    store.getAt(idx).set('TotAmount', totAmount);

}

store.getAt(idx).set('NetAmount', netAmount);