Скачать или смотреть Changing the Background Color of DataGrid Rows in Blazor

Learn how to dynamically change the background color of DataGrid rows based on conditions in your Blazor Server Application. This guide will simplify the process for you!
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This video is based on the question https://stackoverflow.com/q/73956378/ asked by the user 'raysefo' ( https://stackoverflow.com/u/2552976/ ) and on the answer https://stackoverflow.com/a/75127128/ provided by the user 'hesolar' ( https://stackoverflow.com/u/16686166/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Changing the Background Color of DataGrid Rows in Blazor

In the world of web development, particularly when working with Blazor Server Applications, you may come across the need to enhance the user experience with visual cues. One common requirement is to change the background color of rows in a DataGrid based on specific conditions. This can help users quickly identify the status of records, improving usability and efficiency.

The Problem

A user was attempting to modify the background color of DataGrid rows when specific conditions were met—in this case, when an order's status is "Completed." However, the original approach only worked when the row was clicked. Ideally, we want the row’s background to change immediately based on its status without the need for user interaction.

Here’s the initial code that was causing confusion:

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

While the logic was correct, it lacked functionality during the initial rendering of the row, as it only responded to interactions.

The Solution

To solve this issue, we can make use of the Template property within the DataGrid columns. This allows us to apply visibility and styling conditions directly when rendering each row.

Step-by-Step Implementation:

Accessing the Template Property: Replace the simple data rendering in your Radzen DataGrid with a more complex template that evaluates your data.

Applying Conditional Logic: Use an if statement to check the status of each order and apply the appropriate styles or elements based on that conclusion.

Example Implementation:
Below is a simplified version of how you can achieve this:

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

Explanation of the Code:

Data Binding: Data="-_orders" binds your DataGrid to the list of orders.

Template Context: The Context="order" allows you to access properties of each individual order directly.

Conditional Rendering: The if statement checks whether the Status of the order is "Completed". If true, it renders a success button; otherwise, it renders a danger button.

Benefits of This Approach

Immediate Visual Feedback: Users receive immediate visual cues based on the status of orders without needing to click on rows.

Customizability: You can easily modify the conditions and styles to suit your needs.

Enhanced User Experience: This method enhances readability and helps users quickly gauge the status of multiple entries at a glance.

Conclusion

Changing the background color of rows in a Blazor DataGrid based on specific conditions does not have to be complex. By leveraging the Template property and wrapping your logic in the appropriate conditionals, you can create a more interactive and user-friendly application.

With this method, you can improve the functionality of your applications, ensuring that users can interact with the data more intuitively.

If you have any questions or would like to see more examples, feel free to ask!