Generally, it’s good idea to fetch data via AJAX request rather than embedding it in the web page. It is easy to parse JSON data and generate graph accordingly. Chart.js is a popular open source library that helps us to plot data in web applications. And finally, the client re-renders a chart with the new data. You can also use XML or CSV to plot data in the chart. https://subscription.packtpub.com/.../working-with-larger-and-multiple-datasets When the chart data or options are changed, Chart.js will animate to the new data values and options. We’ll let the user pick a date range and based on that, reload the chart. I have a MySQL database table tbl_marks containing student marks. Chart.js example using Jquery Ajax to populate labels and data - chartjs_jquery_ajax_example.html It's pretty common to want to update charts after they've been created. Mixed Chart Types. Chart HTML5 Canvas Given example shows multi series Column Chart with Multiple … I read the mark data and supplied it to the Chart.js function to create the graph with the mark statistics. Adding or Removing Data. Multiple Axes makes it easier to compare different series within the same graph instead of flipping between two charts. I have created the graph output for dynamic data retrieved from the database. When a user picks a new set of dates, a new request will be sent to the Cube.js server. Updating Charts. Creating a mixed chart starts with the initialization of a basic chart. Adding and removing data is supported by changing the data array. Chart.js version: 2.x (2.4.0 in the test linked above) Browser: Chrome My project is indeed quite complex: I create the chart in one place, then I would like to update my chart later on in another place, by calling myLine.data = newDataObject. When a user picks a new set of dates, a new request will be sent to the Cube.js server. Column Charts with Multiple Axes are really useful when two or more data sets needs to be plotted against different scale ranges. It is highly customizable, but configuring all of its options remains a challenge for some people. I'm trying to use chart.js to create a bar chart that shows the number of ad impressions in an ad buy by publication. A common example is a bar chart that also includes a line dataset. The Cube.js server will generate new SQL code, execute it against the database, and send the result back to the client. This way you can separate the UI from Data. Environment. Ideas are welcome! The desired chart would show a bar for each publication representing the number of impressions for the ad on that website. We’ll let the user pick a date range and based on that, reload the chart. Creating graph view using Chart.js is simple and easy. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. 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