Replace the alert(jsonData); with console.log(jsonData); open the page in 
Chrome and view the developer's console (ctrl+shift+j to open).  Post 
whatever is printed there here.

On Friday, May 31, 2013 2:17:20 AM UTC-4, Galten FS Gymnastik wrote:
>
> Hi,
> I am playing around with a simple line-chart that I cannot make work 
> correctly when fetching a json-string from my server.
> When I put the string returned by the server in-line in the html-page, 
> everything is fine.
> I have tried all (I think) combinations of string-delimiters (none, ", and 
> ') for the date-values but to no avail.
>
> The inline html looks like this:
>
>> <html>
>>
>>     <head>
>>
>>         <!--Load the AJAX API-->
>>
>>         <script type="text/javascript" src="https://www.google.com/jsapi
>>> "></script>
>>
>>         <script type="text/javascript" src="
>>> http://code.jquery.com/jquery-1.10.1.min.js";></script>
>>
>>         <script type="text/javascript">
>>
>>             google.load('visualization', '1', {'packages':['corechart', 
>>> 'table']});
>>
>>             google.setOnLoadCallback(drawChart);
>>
>>         
>>
>>             function drawChart() {                
>>
>>                 var jsonData = '{"cols": [{"label":"Time", 
>>> "type":"date"},{"label":"Dataseries 0", 
>>> "type":"number"},{"label":"Dataseries 1", "type":"number"}], "rows": 
>>> [{"c":[{"v":"Date(2013,05,29,06,29,00)", "f":"2013-05-29 06:29:00"}, 
>>> {"v":186,"f":"Value=186"},{"v":null, "f":null}]}, 
>>> {"c":[{"v":"Date(2013,05,29,06,29,00)", "f":"2013-05-29 06:29:00"}, 
>>> {"v":null, "f":null},{"v":91,"f":"Value=91"}]}, 
>>> {"c":[{"v":"Date(2013,05,29,06,32,00)", "f":"2013-05-29 06:32:00"}, 
>>> {"v":190,"f":"Value=190"},{"v":null, "f":null}]}, 
>>> {"c":[{"v":"Date(2013,05,29,06,32,00)", "f":"2013-05-29 06:32:00"}, 
>>> {"v":null, "f":null},{"v":101,"f":"Value=101"}]}]}';
>>
>>
>>>                 var data = new google.visualization.DataTable(jsonData);
>>
>>                 var table = new 
>>> google.visualization.Table(document.getElementById('table_div'));
>>
>>                 var chart = new 
>>> google.visualization.LineChart(document.getElementById('chart_div'));
>>
>>                 table.draw(data, {width: 600, height: 400, showRowNumber: 
>>> true});
>>
>>                 chart.draw(data, {width: 600, height: 400, 
>>> interpolateNulls:true});
>>
>>             }
>>
>>         </script>
>>
>>     </head>
>>
>>   <body>
>>
>>     <hr>
>>
>>     <div id="chart_div"></div>
>>
>>     <hr>
>>
>>     <div id="table_div"></div>
>>
>>   </body>
>>
>> </html>
>>
>> and generates this
>
>
> <https://lh5.googleusercontent.com/-EZOQQPBvjPY/Uag-gqIKNbI/AAAAAAAABy4/tZ-mNQtZUX0/s1600/jsonhtmlok.JPG>
>
>
> And the non-working html looks like this:
>
> <html>
>
> <head>
>
> <!--Load the AJAX API-->
>
> <script type="text/javascript" src="https://www.google.com/jsapi";>
> </script>
>
> <script type="text/javascript" src="
> http://code.jquery.com/jquery-1.10.1.min.js";></script>
>
> <script type="text/javascript">
>
> google.load('visualization', '1', {'packages':['corechart', 'table']});
>
> google.setOnLoadCallback(drawChart);
>
>  function drawChart() {
>
> var jsonData = $.ajax({url: "/index.php", data: {"get_data": 
> "dataseries"}, dataType:"json", async: false}).responseText;
>
> alert(jsonData);
>
> var data = new google.visualization.DataTable(jsonData);
>
> var chart = new 
> google.visualization.BarChart(document.getElementById('chart_div'));
>
> var table = new 
> google.visualization.Table(document.getElementById('table_div'));
>
> chart.draw(data, {width: 600, height: 400, interpolateNulls:true});
>
> table.draw(data, {width: 600, height: 400, showRowNumber: true});
>
> }
>
> </script>
>
> </head>
>
> <body>
>
> <div id="chart_div"></div>
>
> <div id="table_div"></div>
>
>
> </body>
>
> </html>
>
>
>  
>
>
> The string returned by the index.php?get_data=dataseries is the contents 
> of the jsonData-variable from the html-example, and the result looks like:
>
>
> <https://lh5.googleusercontent.com/-XenXyA2iW0M/Uag_7aDby7I/AAAAAAAABzE/LjEhZz-YK1I/s1600/jsonserverfetchnotok.JPG>
>
>
> Why is this happening - and how do I make it behave identically?
>
> Thanks,
> A
>

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