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How to manage naming models in the following table

I have the following table:
Lot Table View
I am using three ng-repeat to show the following response.
Response from backend overview
Detailed response from backend
The first ng-repeat is in <tbody> . The second ng-repeat is in <tr>. And the third one is for repeating the Lot Details, Trx Qty and Balance which is <span>.
Following is my html code:
<table id="lotTable" class="table table-striped table-bordered table-vmiddle">
<thead>
<tr>
<th>S No.</th>
<th>Lot No.</th>
<th>Lot Qty</th>
<th>Unit Cost</th>
<th>Lot Details</th>
<th>Trx Qty</th>
<th>Balance</th>
</tr>
</thead>
<tbody ng-if="isDataLot=='yes'" ng-repeat-start="l in lotData track by $index"
ng-init="parentIndex = $index" id=parentRow{{$index}}
data-id="{{l.lotNo}}">{{$index}}
<tr ng-repeat="k in l track by $index">
<td class="indextrack" >{{$index+1}}
</td>
<td class="lotNo">
<input type="hidden" class="hiddenLotNo" value="{{l.lotNo}}"/>
{{ k.lotNo }} <br>
{{k.grnNo}} ({{k.grnDate}}) <br>
{{k.inPermit}} {{k.physicalLocationName}}
</td>
<td class="lotQty">{{k.lotQty}}
</td>
<td class="cost">{{ k.unitPrice | number:4}}
</td>
<!-- Lot Details -->
<td class="lotDetails" style=" line-height: 28px; ">
<span ng-repeat="c in k.lotDetails">
<input type="hidden" class="hiddenLotDetails m-b-5"
id="lotDetails{{$parent.$parent.$index}}{{$parent.$index}}{{$index}}"
ng-model="xxx[$index]" value="{{c}}"/>
{{c | ctnchange : c}}<br>
{{$parent.$parent.$index}}{{$parent.$index}}{{$index}}
</span>
</td>
<!-- Transaction Quantity -->
<td class="trxQty" style="padding-top: 10px; padding-bottom: 10px;">
<span ng-repeat="c in k.lotDetails track by $index" >
<input class="trxQuantity m-b-5 text-right"
id="trx{{$parent.$parent.$index}}{{$parent.$index}}{{$index}}"
autocomplete="off"
ng-model="trx[$parent.$index][$index]"
ng-keyup="calculateBal($parent.$index,$index); checkParentCheckbox($event);addTrxQty();"
style="width: 60px;" integers-only/><br>
</span>
</td>
<!-- Balance -->
<td class="balanceNew" style="padding-top: 10px; padding-bottom: 10px;">
<span ng-repeat="c in k.lotDetails track by $index">
<input ng-disabled="true" class="balanceNew m-b-5 text-right"
id="balNew{{$parent.$parent.$index}}{{$parent.$index}}{{$index}}"
type="text" style="width: 60px;"/>
<br>
</span>
</td>
</tr>
</tr>
</tbody>
<tbody ng-repeat-end></tbody>
I want to dynamically name the models of Lot Details, Trx Qty and Balance . I have named there ids using id="trx{{$parent.$parent.$index}}{{$parent.$index}}{{$index}} for transaction quantity. I want to achieve the same for ng-model.
I have used ng-model="trx[$parent.$index][$index]. But I have three nested ng-repeat. This is good for two nested ng-repeat. How can it be done for three ng-repeat?
Also I have to set the $scope.trx[i][j] values in controller.
What is the right way to name the model so that we can also set its value in controller?

I changed my HTML code to this :
<table id="lotTable" ng-table="tableSorting" class="table table-striped table-bordered table-vmiddle">
<thead>
<tr>
<th ng-hide="true"></th>
<th>S No.</th>
<th>Lot No.</th>
<th>Lot Qty</th>
<th>Unit Cost</th>
<th>Lot Details</th>
<th>Trx Qty</th>
<th ng-hide="true">Balance</th>
<th>Balance</th>
</tr>
</thead>
<tbody ng-if="isDataLot=='yes'" ng-repeat-start="l in lotData track by $index" ng-init="parentIndex = $index" id=parentRow{{$index}} data-id="{{l.lotNo}}">
<tr ng-repeat="k in l track by $index" ng-init="lotDataChildIndex = $index">
<td header-class="'text-center'" ng-hide="true">
<div class="checkbox">
<label>
<input type="checkbox" class="checkhead" id="lotHiddenCheckbox{{parentIndex}}{{lotDataChildIndex}}">
<em class="input-helper"></em>
</label>
</div>
</td>
<td class="indextrack" >{{$index+1}}
<input type="hidden" class="hiddenalcoholPer" value="{{k.alcoholPer}}" />
<input type="hidden" class="hiddencascCode" value="{{k.cascCode}}" />
<input type="hidden" class="hiddencreditorCode" value="{{k.creditorCode}}" />
<input type="hidden" class="hiddencreditorName" value="{{k.creditorName}}" />
<input type="hidden" class="hiddencustomAmnt" value="{{k.customAmnt}}" />
<input type="hidden" class="hiddenduty" value="{{k.duty}}" />
<input type="hidden" class="hiddendutyPaid" value="{{k.dutyPaid}}" />
<input type="hidden" class="hiddenhsCode" value="{{k.hsCode}}" />
<input type="hidden" class="hiddenidUom" value="{{k.idUom}}" />
<input type="hidden" class="hiddenunitPrice" value="{{k.unitPrice}}" />
<input type="hidden" class="hiddenuomCode" value="{{k.uomCode}}" />
<input type="hidden" class="hiddenidGrnforLot" value="{{k.idGrn}}" />
<input type="hidden" class="hiddenidPhysicalLocation" value="{{k.idPhysicalLocation}}" />
</td>
<td class="lotNo">
<input type="hidden" class="hiddenLotNo" value="{{k.lotNo}}"/>
{{ k.lotNo }} <br>
{{k.grnNo}} ({{k.grnDate}}) <br>
{{k.inPermit}} {{k.physicalLocationName}}
</td>
<td class="lotQty">
<input type="hidden" class="hiddenLotQty" value="{{k.lotQty}}" />{{k.lotQty}}
</td>
<td class="cost"><input type="hidden" class="hiddencost" value="{{k.unitPrice}}" />{{ k.unitPrice | number:4}}
</td>
<td class="lotDetails" style=" line-height: 28px; ">
<span ng-repeat="c in k.lotDetails" ng-init="lotDetailsIndex = $index;">
<input type="hidden" class="hiddenLotDetails m-b-5" id="lotDetails{{parentIndex}}{{lotDataChildIndex}}{{lotDetailsIndex}}" value="{{c}}"/>{{c | ctnchange : c}}<br>
</span>
</td>
<td class="trxQty p-t-10 p-b-10">
<span ng-repeat="c in k.lotDetails track by $index" ng-init="trxQtyIndex = $index;">
<!-- lotDetailsValues Hidden field -->
<input type="hidden" class="lotDetailsValues"
id="lotDetailsValues{{parentIndex}}{{lotDataChildIndex}}{{trxQtyIndex}}"
ng-model="lotDetailsValues[parentIndex + '' + lotDataChildIndex + '' + $index]" ng-init="(lotDetailsValues[parentIndex + '' + lotDataChildIndex + '' + $index]) = k.lotDetailsValues[$index];"
value="{{k.lotDetailsValues[$index]}}" />
<!-- Transaction Quantity -->
<input class="trxQuantity m-b-5 text-right"
id="trx{{parentIndex}}{{lotDataChildIndex}}{{trxQtyIndex}}"
autocomplete="off"
ng-model="trx[parentIndex + '' + lotDataChildIndex + '' + trxQtyIndex]"
ng-keyup="calculateBalanceTxtQty(parentIndex,lotDataChildIndex,trxQtyIndex);
checkParentCheckbox($event,parentIndex,lotDataChildIndex);addTrxQty();"
style="width: 60px;" integers-only/><br>
</span>
</td>
<!-- BALANCE AMOUNT HIDDEN -->
<td class="balance p-t-10 p-b-10" ng-hide="true">
<span ng-repeat="c in k.lotDetails track by $index" ng-init="balanceIndex = $index;">
<input ng-disabled="true"
class="balanceAmt m-b-5"
id="balAmt{{parentIndex}}{{lotDataChildIndex}}{{balanceIndex}}"
type="text"
ng-model="balAmt[parentIndex + '' + lotDataChildIndex + '' + balanceNewIndex]"/><br>
</span>
</td>
<!-- BALANCE NEW AFTER CALCULATION -->
<td class="balanceNew p-t-10 p-b-10">
<span ng-repeat="c in k.lotDetails track by $index" ng-init="balanceNewIndex = $index;">
<input type="text" style="width: 60px;"
ng-model="balNew[parentIndex + '' + lotDataChildIndex + '' + balanceNewIndex]"
ng-disabled="true"
class="balanceNew m-b-5 text-right"
id="balNew{{parentIndex}}{{lotDataChildIndex}}{{balanceNewIndex}}"/>
<br>
</span>
</td>
</tr>
</tbody>
<tbody ng-repeat-end></tbody>
<tbody>
<tr ng-if="isDataLot=='no'" class="no_records"><td colspan="8">No Record(s) found.</td></tr>
<tr ng-if="isDataLot=='yes'" >
<td></td>
<td></td>
<td></td>
<td></td>
<td class="text-right">
<strong>Total:</strong>
</td>
<td class="text-right p-r-12">{{(addedTrxQty > 0) ? addedTrxQty : ''}}</td>
<td class="text-right p-r-12">{{(totalTrxValBal > 0) ? totalTrxValBal : ''}}</td>
</tr>
</tbody>
</table>
In order to get it in controller I used the following code:
var quantity = $scope.lotDetailsValues[parentIndex+ '' +childIndex+ '' +index];

If you are looking for Angular 7 version:
<div class="row" [ngClass]="index != 0 ? 'backgroundColor' : ''"
*ngFor="let t of edu.test_scores;trackBy: trackByItems;let si = index">
<!-- Test Score Value -->
<div class="col-md-3">
<div class="form-group">
<label class="alumni-label">Test Score</label>
<ng-select class="custom" name="test_scores_{{index}}_{{si}}" #test_scores[si]="ngModel" [(ngModel)]="t.id"
[items]="test_list" bindValue="id" placeholder="Select Score" bindLabel="name" notFoundText="No results found."
(change)="checkTest(index,$event)" (clear)="t.marks= null;t.marks_out_of=null;"></ng-select>
</div>
</div>
</div>

How to iterate through multiple dropdowns in a grid in AngularJS for selected value

How to iterate through multiple dropdowns in a grid in AngularJS for
selected value.Below is my code.Attached the sample grid UI .I wants to
iterate through each of the row values and form a array of objects.I have separate model for each dropdowns key and value pair.But not sure how to read those through iteration
<table class="filtertable" ng-show="FilterOptions">
<thead>
<th>And/Or</th>
<th>Field</th>
<th>Operator</th>
<th>Value</th>
</thead>
Here iterating through and binding drop downs
<tbody ng-repeat="m in FilterOptions">
<tr>
Here we are biding the drop downs
<td><select ng-model="AndOrmodel" ng-show="m.AndOr" ng-options="option for option in m.AndOr"></select></td>
<td> <select ng-model="Fieldsmodel" ng-options="o as o for o in m.Fields"></select></td>
<td> <select ng-model="Operatorsmodel" ng-options="Operator.OperatorName for Operator in m.Operators track by Operator.OperatorId"></select></td>
<td>
<select ng-model="OperFieldsmodel" ng-if="Operatorsmodel.indexOf('Field') > -1" ng-options="o as o for o in m.Fields"></select>
<input type="text" ng-if="Operatorsmodel.indexOf('Field') == -1 || Operatorsmodel==undefined" ng-model="m.SearchValue" />
</td>
<td>
<p>
<a href="#" ng-click="Add($index)" title="Add">
<span class="glyphicon glyphicon-plus"
style="color:green;"></span>
</a>
</p>
</td>
<td>
<a href="#" ng-click="Remove($index)" title="Remove
this filter line">
<span class="glyphicon glyphicon-minus"
style="color:red"></span>
</a>
</td>
</tr>
</tbody>
<tfoot>
<tr>
<td colspan="4">
<p>
<a href="#" ng-click="Add()" title="Add">
<span class="glyphicon glyphicon-plus" style="color:green"></span>Add new clasue
</a>
</p>
</td>
<td>
<input type="button" value="Save" ng-
click="SaveMasterSearch()" />
</td>
</tr>
</tfoot>
</table>

Do SUM of Dynamic row added by innerHTML method through javascript

I am trying to do Sum on oninput method. Means as the button press the function will be called and show sum of two input in a paragraph <p> tag.
I have my javascript function like this:
quote:function(){
var button = document.getElementById('insert');
var table = document.getElementById('table');
$("#insert").click(function(){
var position=Math.round(table.rows.length - 3);
var row = table.insertRow(position);
var i=1;
row.innerHTML = '<td><input type="integer" name="qty[]" class="form-control" id="qty_' +position +'" oninput="myFunction(demo'+position+', event)"></td><td><input type="text" name="discription[]" class="form-control"></td><td><input type="text" name="price[]" class="form-control" placeholder="0.00" id="price_'+ position+'" oninput="myFunction(demo'+position+', event)"></td><td><input type="text" name="discount[]" class="form-control" placeholder="0.00"><td><input type="text" name="discountper[]" class="form-control" placeholder="0.00%"></td></td><td><p id="demo'+position+'"></p></td><td><input type="checkbox" name="taxed[]" class="form-control"></td> <td><a class="btn btn-circle red-haze btn-sm" href="javascript:void(0);" id="remCF"><i class="fa fa-times"></i></a></td>';
$("#remCF").live('click',function(){
$(this).parent().parent().remove();
});
});
},
After append it looks like this.
I would like to calculate Total Amount using quantity * price.
But i am not able to do that. It seems like Rows are appending fine. But when i try to call the function i am unable to specify the text are in the myFunction.
here is how myFuntion looks like:
function myFunction(place, event) {
var x =parseInt(document.getElementById(event.target.id).value); <!----now the problem is here i am not able to specify what QTY is clicked and which input is clicked -->
var y= parseInt(document.getElementById(event.target.id).value); <!----now the problem is here i am not able to specify what PRICE is clicked and which input is clicked -->
var z=x*y;
document.getElementById(place).innerHTML = z;
}
I would like to perform calculation row wise.
And if for reference if you want to know how my HTML looks then here is how it looks like.
<table class="table table-striped table-bordered table-hover" id="sample_3">
<thead>
<tr>
<th style="width:7%;">
Qty
</th>
<th style="width:50%;">
Description
</th>
<th style="width:10%;">
Unit Price
</th>
<th style="width:10%;">
Discount(Rs/$)
</th>
<th style="width:10%;">
Discount%
</th>
<th style="width:7%;">
Total
</th>
<th style="width:2%;">
Taxed
</th>
<th style="width:2%;">
Action
</th>
</tr>
</thead>
<tbody id="table">
<tr class="odd gradeX" id="p_scents" name="p_scnt">
<td>
<input type="integer" name="qty[]" class="form-control" value="1" id="myInput1" oninput="myFunction('demo', event)" >
</td>
<td>
<input type="text" name="discription[]" class="form-control">
</td>
<td>
<input type="text" name="price[]" class="form-control" placeholder="0.00" id="myInput2" oninput="myFunction('demo', event)">
</td>
<td>
<input type="text" name="discount[]" class="form-control" placeholder="0.00">
</td>
<td>
<input type="text" name="discountper[]" class="form-control" placeholder="0.00%">
</td>
<td>
<p id="demo"></p>
</td>
<td>
<div align="center"><input type="checkbox" name="taxed[]" class="form-control"></div>
</td>
<td></td>
</tr><!-- to add new column -->
<tr>
<td colspan="4" >
<div align="right">
<b>Sub Total:</b>
</div>
</td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td colspan="6" >
<a id="insert">Add a New Service</a><br>
<a id="ajax-demo" data-toggle="modal">
Predifined Services </a><td>
</tr>
</tbody>
</table>
here is the Jsfiddle link:
https://jsfiddle.net/5xaaneor/2/
Thank you!

Javascript focus on previous row's first input

I have a form presented in a table and each row has two input fields and in the last row it has two buttons "add-more" and "submit"
<form>
<table>
<tbody>
<tr>
<td>
<table class="table no-border no-margin manage_admin_child_table">
<tbody>
<tr>
<td class="text-left" style="width:40%;">
<div data-role="input-control" class="input-control text">
<input type="text" name="operator[0][mcc]" id="operator_mcc_0" placeholder="MCC" tabindex="1">
<button tabindex="" class="btn-clear" type="button"></button>
</div>
</td>
<td class="text-left" style="width:40%;">
<div data-role="input-control" class="input-control text">
<input type="text" name="operator[0][mnc]" placeholder="MNC" tabindex="2">
<button tabindex="" class="btn-clear" type="button"></button>
</div>
</td>
<td style="width:2%;"> </td>
</tr>
</tbody>
</table>
<span class="wrapper"></span>
</td>
</tr>
<tr>
<td>
<table class="table no-border no-margin manage_admin_child_table">
<tbody>
<tr>
<td class="text-left" style="width:40%;">
<div data-role="input-control" class="input-control text">
<input type="text" name="operator[0][mcc]" id="operator_mcc_0" placeholder="MCC" tabindex="3">
<button tabindex="" class="btn-clear" type="button"></button>
</div>
</td>
<td class="text-left" style="width:40%;">
<div data-role="input-control" class="input-control text">
<input type="text" name="operator[0][mnc]" placeholder="MNC" tabindex="4">
<button tabindex="" class="btn-clear" type="button"></button>
</div>
</td>
<td style="width:2%;"> </td>
<td class="text-left" style="vertical-align: middle;">
<i class="fa fa-times"></i>
</td>
</tr>
</tbody>
</table>
<span class="wrapper"></span>
</td>
</tr>
<tr>
<td colspan="3">
<div class="widget_box_footer_section">
<i class="fa fa-plus"></i> Add More
<button type="submit" class="button meduim submit_button place-right" id="operator_submit" tabindex="7">
<i class="fa fa-paper-plane"></i> Submit
</button>
</div>
</td>
</tr>
</tbody>
</table>
</form>
when i click on add-more it adds the new row(there can be many rows, i have not included that javascript here i have hard-coded the form with two input rows) with two fields and a cross icon to remove that field.
and to remove that field i have a javascript function as
$(document).on('click','a.remove-operator-code',function() {
$(this).parents('tr').first().remove();
});
It is successfully removing that row, but i dont know where the focus is going , i want to fix this focus issue that when we remove the particular row, focus must go to the previous row's first input field

You need to use:
$(document).on('click','a.remove-operator-code',function() {
vat prevtr = $(this).closest('tr').prev();
if(prevtr.length)
prevtr.find('input:first').focus()
$(this).closest('tr').remove();
});

This will help you..
Demo:http://jsfiddle.net/ajnf988s/
$(document).on('click','a.remove-operator-code',function() {
$(this).parents('tr').prev('tr').find('input[type=text]:first').focus();
$(this).parents('tr').remove();
});

AngularJS: ng-controller multiple functions

I am using AngularJS to show and retreive data from my users in HTML like:
<table id="app2" ng-app="categories" ng-cloak="" class="table table-hover" style="margin-top: 50px;">
<tr style="background-color:#4d748f; color:white;">
<th colspan="5" style="text-align:center; font-size:16px;">Add category</th>
</tr>
<tr>
<form novalidate>
<td colspan="4">
<input type="text" class="form-control" placeholder="Category name"></input>
</td>
<td colspan="1">
<input type="submit" class="btn btn-success"></input>
</td>
</form>
</tr>
<tr style="background-color:#4d748f; color:white;">
<th colspan="5" style="text-align:center; font-size:16px;">Add product</th>
</tr>
<tr>
<form ng-controller="category">
<td colspan="1">
<select class="form-control m-b-10">
<option ng-repeat= "c in categories">{{c[1]}}</option>
</select>
</td>
<td colspan="1">
<select class="form-control m-b-10">
<option>Antwerpen</option>
<option>Leuven</option>
</select>
</td>
<td colspan="1">
<input type="text" class="form-control" placeholder="Name"></input>
</td>
<td colspan="1">
<input type="text" class="form-control" placeholder="Price" width="10%"></input>
</td>
<td colspan="1">
<input type="submit" class="btn btn-success" ng-click="product()"></input>
</td>
</form>
</tr>
</table>
ANGULARJS
categories = angular.module('categories', []);
categories.controller("category",function($scope, $http){
var serviceBase = 'api/';
$http.get(serviceBase + 'categories').then(function (results) {
$scope.categories = results.data;
for(var i = 0; i < $scope.categories.length; i++){
var categories = $scope.categories[i];
}
$scope.product = function($scope, $http){
$http.post(serviceBase + 'productadd/'+$scope.catID+'/'+$scope.catID+'/'+$scope.pname+'/'+$scope.pprice).then(function(results){
alert('ok');
});
}
});
});
When I place my ng-controller on the select item to get the ng-repeat = c in categories. Then this works and I get the categories shown in my dropdown. But when I place it on the form tag it doesn't... I have to place it on my form tag because I want to add a product into my database after the user clicks the button to add products. And ng-click=product() gets called.
How can both of those functions function together?

You cannot wrap tr with you custom element except tbody, thead, table.. Simply used ng-form directive on tr which can be used as attribute
<tr ng-form name="myform" novalidate>
<td colspan="4">
<input type="text" class="form-control" placeholder="Category name"></input>
</td>
<td colspan="1">
<input type="submit" class="btn btn-success"></input>
</td>
</tr>