How to Get the Selected Option Value with Another Table in Laravel

Описание: Discover how to dynamically set the `selected` option in HTML select dropdowns when working with Laravel. This simple guide provides an easy-to-follow solution!
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How to Get the Selected Option Value with Another Table in Laravel

When developing web applications with Laravel, you might encounter a situation where you need to populate an HTML dropdown (select element) with data from a database. Additionally, you may want to ensure that a specific option is pre-selected based on a previously saved value. This post will guide you through how to achieve this using Laravel's Blade templates.

The Problem: Pre-selecting an Option Based on a Value

Suppose you have a database table that contains information about different polikliniks (medical clinics) and you want to present this data in a select dropdown. When a user selects an option for saving, you would like the same option to be pre-selected when they later edit their entry.

Here’s what the HTML structure might look like for your select dropdown:

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

In this scenario, we want to pre-select an option in the dropdown based on the previously saved ID of poliklinik. But how can we do that?

The Solution: Marking the Selected Option

To ensure that a particular option is marked as selected in the dropdown list, we can modify our Blade syntax slightly. Here’s how you can structure your select dropdown to include the pre-selected value:

Step 1: Include the Selected Option

Modify your select input to add an additional option element with a value that corresponds to the selected poliklinik record. Here’s the updated code:

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

Step 2: Customize the Selected Input

Here’s a breakdown of what’s happening in the code above:

The first <option> displays the currently selected poliklinik. It sets the value to {{$selected->id}} where $selected is the model that corresponds to the saved entry.

The foreach loop then iterates over all available polikliniks and adds them to the dropdown.

Important Note

Make sure to substitute the $selected variable with the appropriate model instance you are utilizing in your application. This variable should reference the previously selected poliklinik entry.

Conclusion

By following this approach, you can dynamically populate a select dropdown in Laravel while ensuring that the previously selected option remains highlighted on the form during edits. This provides a better user experience by ensuring that users can see what they had previously chosen, making it easy for them to make further adjustments if necessary.

By leveraging Laravel's Blade templating system, working with select dropdowns becomes both straightforward and efficient. Implementing these changes should help you manage user preferences effectively!

If you have any questions or run into challenges, feel free to leave a comment below!