Coding⏱️ 2 min read📅 2026-05-31

How to Fix: Mat-table Sorting Demo not Working

Material Angular table sorting not working locally

Quick Answer: Check that the mat-table component is properly imported and configured, ensure that the data source is correctly set up, and verify that the sort function is being called on the correct element.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🚀 How to Resolve This Issue
  3. 🎯 Final Words

Mat-table Sorting Demo not Working

💡 Why You Are Getting This Error

  • When using mat-table locally, the sorting functionality may not work as expected. The issue can be caused by a missing import of the MatSortModule. Additionally, ensure that the data is properly formatted and exported.

🚀 How to Resolve This Issue

Method 1: Enable Sorting in mat-table

  1. Step 1: Import the MatSortModule and enable sorting by adding it to the mat-sort-directions array in your component.

Method 2: Format Data Properly for Sorting

  1. Step 1: Ensure that the data exported from your backend is properly formatted, with each row having a unique identifier and sorted columns.

🎯 Final Words

To resolve the mat-table sorting issue, ensure that you have imported the MatSortModule and formatted your data properly for sorting. By following these steps, you should be able to get your mat-table sorting demo working locally.

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