How to Filter Angular Table Data Using Dropdown Selections скачать в хорошем качестве

How to Filter Angular Table Data Using Dropdown Selections

Learn how to effectively filter table data in Angular by implementing dropdowns for user selections. Enhance your Angular project today! --- This video is based on the question https://stackoverflow.com/q/68994292/ asked by the user 'Jay' ( https://stackoverflow.com/u/16793801/ ) and on the answer https://stackoverflow.com/a/68994535/ provided by the user 'NeNaD' ( https://stackoverflow.com/u/14389830/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Filter angular table data by selecting dropdown values Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Filtering Angular Table Data with Dropdown Selections When it comes to displaying data in a user-friendly manner, tables are a widely-used solution in many web applications. However, what happens when we want to filter the data dynamically based on user input? This is a common need in apps that handle extensive datasets. In this guide, we're going to explore how to use dropdown selections to filter an Angular table populated by a JSON array. Understanding the Problem Imagine you have a JSON dataset like this: [[See Video to Reveal this Text or Code Snippet]] From this array, you want to display the items in an Angular table. Furthermore, you want to give users the ability to filter this table's content using dropdowns based on three properties: name, model, and class. For example, when a user selects "asian003" from the name dropdown and "selina0127" from the class dropdown—while leaving model unselected—they should see only the relevant records. The filtered result in this case would be: [[See Video to Reveal this Text or Code Snippet]] Implementing the Solution Step 1: Set Up Your Dropdowns First, you'll need to bind each dropdown to a property in your Angular component. For this filter implementation, you will have properties for selected_name, selected_class, and selected_model. This can be accomplished with the following code snippet: [[See Video to Reveal this Text or Code Snippet]] Step 2: Create the Filtering Function You will define the filter_demo_list() function, which updates the displayed table data according to the selected dropdown values. Each time a dropdown value is changed, this function will be called. [[See Video to Reveal this Text or Code Snippet]] Step 3: Integrate Dropdowns with the Function Now, you need to ensure each dropdown is linked to the filtering function. You can use Angular's ngModel to bind the dropdown selections: [[See Video to Reveal this Text or Code Snippet]] Step 4: Show Filtered Results in the Table Finally, display the filtered table_data in your HTML table: [[See Video to Reveal this Text or Code Snippet]] Conclusion With these steps, you can easily implement a filtering mechanism for your Angular table using dropdown selections. This not only improves user experience but also maintains the functionality and accessibility of data in your application. As you continue to develop your skills in Angular, consider implementing additional features like multi-select options or clear-all filters to enhance usability further. By mastering how to filter Angular table data, you're on your way to creating more interactive and user-friendly applications.