How to Populate HighCharts Dataset in JavaScript from ViewData Object in .NET Core

Learn how to effectively populate HighCharts datasets in JavaScript by utilizing ViewData in your .NET Core applications. Get step-by-step guidance and example code!
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How to Populate HighCharts Dataset in JavaScript from ViewData Object in .NET Core

When developing data-driven web applications, utilizing interactive charts can significantly enhance user experience. HighCharts is one of the popular libraries for rendering responsive charts in web applications. However, when using ASP.NET Core, you may find it challenging to feed dynamic datasets into your HighCharts setup directly from your server-side code. In this guide, we’ll tackle this issue and guide you on how to populate HighCharts datasets in JavaScript from a ViewData object in .NET Core.

The Problem

You might encounter a basic setup where try to pass a dataset from your server-side ASP.NET Core application into your HighCharts configuration. The initial approach may involve passing a List of data in Razor views, like:

[[See Video to Reveal this Text or Code Snippet]]

This works in simple cases but can quickly become cumbersome, as modern JavaScript heavily relies on JSON formatting for dynamic dataset handling. The need is to streamline this data passage into JavaScript for further manipulation and rendering.

The Solution

Step 1: Define the Data Structure

First, start by creating a model that represents the data you want to display using HighCharts. Here’s an example model for your Bubble series data:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Serialize your Data for JavaScript

Next, you'll want to populate your ViewData with the serialized JSON data you wish to send to JavaScript. Here is how you can do that:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Utilize JSON in Your JavaScript

The heart of the solution lies in how we render this data within our JavaScript code block. You can directly deserialize your JSON data in the HighCharts configuration like this:

[[See Video to Reveal this Text or Code Snippet]]

This allows you to use the dataset dynamically created in .NET Core without manually listing each data point in the JavaScript file.

Complete Example

Here’s a complete example demonstrating the earlier steps combined into a fully functional HighCharts setup:

[[See Video to Reveal this Text or Code Snippet]]

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following the steps outlined above, you’ll be able to dynamically populate your HighCharts datasets in JavaScript using ViewData from your ASP.NET Core applications. This not only simplifies your workflow but also allows for more flexibility in handling data visualization directly from the server side. Now, create stunning and interactive charts with ease!

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