This function demonstrate how to use Google charts to show json data in data table. http://code.google.com/apis/ajax/playground/?type=visualization#table

google_charts_json_to_datatable.js

function drawVisualization() {
  // Create and populate the data table.
  var jsonData = {
    "count":2,
    "customerList":[
      {"customerName":"manas","customerID":"manas@example.com"},
      {"customerName":"neetesh","customerID":"neetesh@example.com"}
    ]
  };
  
  c = jsonData.customerList;
  var data = new google.visualization.DataTable();
  data.addColumn('number', 's.no.');
  data.addColumn('string', 'Customer Name');
  data.addColumn('string', 'Customer email ID');
  data.addRows(c.length);
  
  for(var i = 0; i< c.length ; i++)
  {
    data.setCell(i, 0, i)
    data.setCell(i, 1, c[i].customerID);
    data.setCell(i, 2, c[i].customerName);
  }
  visualization = new google.visualization.Table(document.getElementById('table'));
  visualization.draw(data, null);
}