JSGrid Insert Reject

HTML

<link rel="stylesheet" href="https://code.jquery.com/ui/1.10.4/themes/redmond/jquery-ui.css">
<script src="https://code.jquery.com/ui/1.11.2/jquery-ui.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jsgrid/1.5.1/jsgrid.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jsgrid/1.5.1/jsgrid.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jsgrid/1.5.1/jsgrid-theme.css">
<div id="jsGrid"></div>

CSS

.jsgrid-cell { 
    overflow: hidden; 
}

.jsgrid-pager { text-align: center; }

JavaScript

var dataaux;
var obj2=[];
var data = [
    {
        "Name": "Test Test",
        "Married": false,
        "id_sup":0
    },
    {
        "Name": "Connor Johnston",
        "Married": false,
         "id_sup":1
    },
    {
        "Name": "Lacey Hess",
        "Married": false,
         "id_sup":0
    },
    {
        "Name": "Timothy Henson",
        "Married": false,
         "id_sup":1
    }
];
//obj2='[';
var text='{"data":'+JSON.stringify(data)+'}'
						for(var i=0;i<4;i++)
            {
							obj=JSON.parse(text)
              if(obj.data[i].id_sup==0)
              {              
              	obj.data[i].id_sup=1;   						 	
            // alert(   '{ "name":"John", "age":30, "city":"New York"}')
            var f=JSON.parse('{"Name"'+':'+'"'+obj.data[i].Name+'", '+'"Married"'+':'+obj.data[i].Married+', 			'+'"id_sup"'+':'+obj.data[i].id_sup+'}')
            obj2[i]=f;
            console.log(obj2);    												              
              }
              else
              {
              	obj.data[i].id_sup=0;  
              	 var f=JSON.parse('{"Name"'+':'+'"'+obj.data[i].Name+'", '+'"Married"'+':'+obj.data[i].Married+', 			'+'"id_sup"'+':'+obj.data[i].id_sup+'}')
            obj2[i]=f;
              }
            }
            console.log(data);
$("#jsGrid").jsGrid({
        height: 300,
        width: "100%",
 
        autoload: true,
        inserting: true,
 
        controller: {
        	loadData: function() {
          
           return obj2;
           
          },
         
        },
         
        
        fields: [
            { name: "Name", title:"Name", type: "text", width: "60%", validate: "required" },
            { name: "Married", title:"Married", type: "checkbox", width: "30%", validate: "required" },
            {name:"id_sup",title:"Supervisor", type:"checkbox",width:"30%",validate:"required"
    },
            { 
            	type: "control", width: "10%",
              headerTemplate: function() 
              {
...