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How to output Visualforce page as JSON data?
To output the Visualforce page as JSON Data following point needs to be taken care, contentType should be “application/x-JavaScript; charset=utf-8” (Note that i have not specified it as json although valid MIME type available for JSON in HTML)
How to use JavaScript remoting in Visualforce pages?
Here’s a basic sample demonstrating how to use JavaScript remoting in your Visualforce pages. Other than the @RemoteAction annotation, this looks like any other controller definition.
Is it possible to store a function in JSON?
You can’t store functions in JSON. The value in JSON may contain only string, number, object, array, true, false or null: Check out it on JSON site.
What does JSON stand for in JavaScript?
The JSON stands for “ Java Script Object Notation “. JSON is used widely as an option to xml, because the xml is very verbose whereas the JSON is having very simple representation. It Simply have a key and value pair combination. DataTypes supported by the JSON are “Number, String, Boolean, Array, Object and null”.
Why do we use JSON instead of XML?
JSON is used widely as an option to xml, because the xml is very verbose whereas the JSON is having very simple representation. It Simply have a key and value pair combination. DataTypes supported by the JSON are “Number, String, Boolean, Array, Object and null”. Key and value pair are separated by colon “:”
Why is JSON response not working on VF page?
Please note there are no list of array for prices is returned in json from given url, thats why your parsing logic is not working. JSON response seems simple so directly deserialized for class TickerData. Simply replaced your method ‘s code with above code and let me know if still you are not able to get data on vf page.
How to get data from a VF page?
Simply replaced your method ‘s code with above code and let me know if still you are not able to get data on vf page. Check debug log whether the data is returned back from the service. Double check the column names BTC, ETC, etc are of the same case in the service too.