Display nested JSON data in jquery datatables

Question

After making a POST request using AJAX I get the following JSON response:

    {
"ServiceName": "ABC",
"Response": {
    "Object": [
        {
            "Attributes": {
                "Attribute": [
                    {
                        "AttributeName": "Name",
                        "AttributeValue": "XYZ"
                    },
                    {
                        "AttributeName": "Place",
                        "AttributeValue": "Abc"
                    },
                    {
                        "AttributeName": "Country",
                        "AttributeValue": "Americas"
                    },
                    {
                        "AttributeName": "Code",
                        "AttributeValue": "576"
                    }
                ]
            }
        },
        {
            "Attributes": {
                "Attribute": [
                    {
                        "AttributeName": "Name",
                        "AttributeValue": "XYZHJ"
                    },
                    {
                        "AttributeName": "Place",
                        "AttributeValue": "Abchgh"
                    },
                    {
                        "AttributeName": "Country",
                        "AttributeValue": "India"
                    },
                    {
                        "AttributeName": "Code",
                        "AttributeValue": "536"
                    }
                ]
            }
        }
    ]
}}

I am using datatable to display the data.. but with this nested JSON I am not able to go straight for the data. I am using this https://datatables.net/examples/server_side/post.html https://datatables.net/reference/option/ajax.dataSrc for reference.

what is your question? where is your code? All you've given us is your JSON response, but no code. How are we supposed to help you? — Neil S
– Neil S, Commented Sep 23, 2015 at 23:17
With server-side processing returned data has different format. What you've posted doesn't match the JSON that is expected to be returned. — Gyrocode.com
– Gyrocode.com, Commented Sep 24, 2015 at 1:47

davidkonrad · Accepted Answer · 2015-09-24 15:15:35Z

You must iterate over the response and convert it into a format dataTables can comprehend. As I read the sample data you have an Object holding blocks of Attributes holding an Attribute with key => value pairs as AttributeName => AttributeValue. So parse the response in a dataSrc callback :

var table = $("#example").DataTable({
    ajax : {
        url : 'nestedData.json',
        dataSrc : function(json) {
            var temp, item, data = [];
            for (var i=0;i<json.Response.Object.length;i++) {
                temp = json.Response.Object[i].Attributes.Attribute;
                item = {};
                for (var elem in temp) {            
                    item[temp[elem].AttributeName] = temp[elem].AttributeValue
                }
                data.push(item);
            }
            return data
        }
    },
    columns : [
        { data : 'Name', title : 'Name' },
        { data : 'Place', title : 'Place'  },
        { data : 'Country', title : 'Country' },        
        { data : 'Code', title : 'Code' }
    ]    
})

the dataSrc callback return an array of objects on the form :

data = [
  { Code: "576", Country: "Americas", Name: "XYZ", Place: "Abc" },
  { Code: "536", Country: "India", Name: "XYZHJ", Place: "Abchgh" }
]

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