ช่วยด้วยครับ ผมจะแก้ไขโค๊ดนี้อย่างไรดีครับ โจทย์คือ ให้ นักศึกษา/อาจารย์ => 1/บุคคลทั่วไป => 2/โชลเชี่ยล =>3

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>


<script>

// FTRcvCode ="1" => "นักศึกษา"
// FTRcvCode ="2" => "บุคคลทั่วไป"
// FTRcvCode ="3" => "โซเชียล"

function SigmalRUpdateData(){
  
var myjson = '{"tType":"CUSTOMER","aoCustomer":[{"FTCstType":1,"FDXihDocDate":12/08/2018,"FTXihDocTime":15:00:00}]}';

        // console.log(myjson)
        var myArr = $.parseJSON(myjson);
 
        for(var i = 0; i<myArr['aoCustomer'].length;i++){
        
            tGpgCode  = myArr['aoCustomer'][i].FTCstType;
            tPgpName  = myArr['aoCustomer'][i].FDXihDocDate;
            nPaymentAmt = myArr['aoCustomer'][i].FTXihDocTime;


            nCountPgpRow = $('table tr td:contains("'+tGpgCode+'")').length
      
            if(nCountPgpRow == 0){
                $('#otbPaymantGroup').append($('<tr>')
                                       .append($('<td>')
                                         .text(tGpgCode)
                                         .attr('id','otdStkGpg'+tGpgCode)
                                        )

                                       .append($('<td>')
                                            .text(nPaymentAmt) 
                                            .attr('id','otdPayMentAmt'+tGpgCode) 
                                       )
                      );
            }else{
 
                    nLastAmt = parseFloat($('#otdPayMentAmt'+tGpgCode).text());
                    nIncommingAmt = parseFloat(nPaymentAmt);
                    nNewAmt = nLastAmt + nIncommingAmt;
                    $('#otdPayMentAmt'+tGpgCode).text(nNewAmt);
            }
        }
    }
</script>

<button onclick="SigmalRUpdateData()">SignalR</button>

<table class="table table-bordered" id="otbPaymantGroup">
    <thead>
      <tr>
        <th>นักศึกษา/อาจารย์</th>
        <th>บุคคลทั่วไป</th>
        <th>โชลเชี่ยล</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="otdStkGpg1">2</td>
        <td id="otdStkGpg1">0</td>
        <td id="otdStkGpg1">0</td>
      </tr>
    </tbody>
  </table>