Скачать или смотреть How to Use v-for in Vue.js for Dynamic Edit/Delete Actions

Discover how to implement dynamic edit and delete links in your Vue.js datatable using `v-for`, ensuring each button corresponds to the correct data row.
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This video is based on the question https://stackoverflow.com/q/67442083/ asked by the user 'Ima Dev' ( https://stackoverflow.com/u/15325919/ ) and on the answer https://stackoverflow.com/a/67451158/ provided by the user 'evgeny-i' ( https://stackoverflow.com/u/1347389/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Use v-for in Vue.js for Dynamic Edit/Delete Actions

When building a Vue.js datatable, incorporating options for editing or deleting entries is often crucial. However, you might encounter issues, like all your action buttons linking to the same data entry. In this guide, we'll address a common problem and provide a clean solution that utilizes Vue's powerful features effectively.

The Problem: Identical Data Attributes

You have a Vue.js datatable with rows generated dynamically using the v-for directive. While displaying data attributes like row.id and row.email works perfectly, you find that your action buttons (edit and delete links) all show the same data-id, specifically the ID of only the first entry in the table. This causes confusion and functionality issues when performing actions on different entries.

Example Table Structure

Here's an example of your current table structure:

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

In the above code snippet, notice how the action buttons only pass the row.id as a data-attribute, which leads to unexpected behavior.

The Solution: Directly Passing the Data

To fix this issue, we should directly pass the row.id as an argument to the functions handling the edit and delete actions. This allows each button to work with the correct data from the specific row it corresponds to. Here’s how to modify your code:

Updated Table Structure

Replace your current @ click handlers with the following code:

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

Explanation of Changes

Removed data-id: You no longer need to bind the data-id attribute as we directly use row.id within the edit and delete methods.

Directly Passing IDs: The edit and delete functions now receive the specific row.id directly, ensuring that actions correspond accurately to the selected row.

Conclusion

By following the above solution, you’ll effectively eliminate the issue of action buttons malfunctioning due to incorrect data referencing. Your Vue.js datatable will now have functional edit and delete options that correspond correctly with each row entry. This method enhances both user experience and code clarity, making maintenance easier moving forward.

If you have any questions regarding this implementation, or if you'd like to explore more Vue.js functionalities, feel free to leave a comment below!