javascript - Convert c# datatable to json array to pass to Google charts -

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i want pass c# datatable result chart error saying 'argument given addrows must either number or array'

c#

     string result = "";         result = "[";         foreach (datarow row in dt.rows)         {             result += "['"+row[0]+"',"+row[1]+"],";         }         result = result.trimend(',')+"]";          txtjsondata.value = result;

javacsript

         var data = new google.visualization.datatable();           data.addcolumn('string', 'page');           data.addcolumn('number', 'followers');           var chartdata = document.getelementbyid('txtjsondata').value;           data.addrows(chartdata);

sampledata

"[['@flu',401],['@weightloss',1068],['@heartdiseases',223],['@diabetesfacts',356]]"

your variable chartdata contains string. need parse before passing addrows.

data.addrows(json.parse(chartdata));

json.parse() takes string, , return corresponding javascript object. if code needs run on internet explorer <= 8 (which doesn't include json related functions), need include json2.js, can https://github.com/douglascrockford/json-js


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