Hi,

I am looking to generate a timeline chart using the json file, but below is 
the error I am getting. Please help me in fixing this.

<https://lh6.googleusercontent.com/-8HAS_rxBE0Y/VEjHmyF6HcI/AAAAAAAAAG8/qSxG7Msnlu8/s1600/Capture.JPG>
*JSON file used : *

  "cols": [
        {"id":"Room","label":"Room","pattern":"","type":"string"},
        {"id":"Name","label":"Name","pattern":"","type":"string"},
{"id":"Start","label":"Start","pattern":"","type":"date"},
        {"id":"End","label":"End","pattern":"","type":"date"}
      ],
  "rows": [
        {"c":[{"v":"President","f":null},{"v":"Vamshi","f":null},{"v": new 
Date(2014,09,23),"f":null},{"v": new Date(2014,09,31),"f":null}]},
{"c":[{"v":"President","f":null},{"v":"Vamshi","f":null},{"v": new 
Date(2014,09,23),"f":null},{"v": new Date(2014,09,31),"f":null}]},
{"c":[{"v":"President","f":null},{"v":"Vamshi","f":null},{"v": new 
Date(2014,09,23),"f":null},{"v": new Date(2014,09,31),"f":null}]},
        {"c":[{"v":"Lab Admin","f":null},{"v":"krishna","f":null},{"v": new 
Date(2014,09,25),"f":null},{"v": new Date(2014,09,30),"f":null}]} 
      ]
  
}

*html file :*

<html>
  <head>
    <!--Load the AJAX API-->
    <script type="text/javascript" 
src="https://www.google.com/jsapi";></script>
    <script type="text/javascript" 
src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
</script>
    <script type="text/javascript">
    
    // Load the Visualization API and the piechart package.
    //google.load('visualization', '1', {'packages':['corechart']});
google.load("visualization", "1", {packages: ["timeline"]});
      
    // Set a callback to run when the Google Visualization API is loaded.
    google.setOnLoadCallback(drawChart);
      
    function drawChart() {
      var jsonData = $.ajax({
          url: "getData.php",
          dataType:"json",
          async: false
          }).responseText;
          
      // Create our data table out of JSON data loaded from server.
      var data = new google.visualization.DataTable(jsonData);
 
      // Instantiate and draw our chart, passing in some options.
  var chart = new 
google.visualization.Timeline(document.getElementById('chart_div'));
      chart.draw(data, {width: 1000, height: 600})
    }

    </script>
  </head>

  <body>
    <!--Div that will hold the pie chart-->
    <div id="chart_div"></div>
  </body>
</html>

*getData.php file used:*

<?php 

// This is just an example of reading server side data and sending it to 
the client.
// It reads a json formatted text file and outputs it.

$string = file_get_contents("sampleData.json");
//echo $string;

// Instead you can query your database and parse into JSON etc etc

?>

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