Is there a way to trigger the loading of a partial view with a button click?

Question

Is there a way to trigger the loading of a partial view with a button click?

I am faced with a situation in which I am utilizing Ajax.ActionLink() to invoke and load a child view within a parent view. There is a button on the child view that triggers another child view to be displayed. It is my desire for this subsequent child view to also appear within the parent view.

While I can bring the child view into the calling child view by using Ajax.ActionLink, the use of the button presents additional advantages such as being able to pass data in the beginform and validating fields before submission.

Upon clicking the button, selected information from two dropdown lists and other data in the BeginForm are sent:

  @using (Html.BeginForm("Action", "Controller", new { courseID = 1001 }, FormMethod.Post, new { @id = "formName", @name = "formName" }))

However, when the view returns, it opens in a new window rather than displaying within the parent view or the child view that initiated the call.

My inquiry is how can I ensure that the partial view appears within either the child view that called it or within the parent view? In essence, the parent invokes Child A, and then Child A triggers Child B.

javascript ajax asp.net-mvc

Answer 1

Answer №1

There are countless reasons why I have a strong dislike for the family of helpers known as Ajax.*. They tend to hide functionality, making it difficult to troubleshoot when things don't work as expected. Crafting your own AJAX solution is a decision you won't regret.

The issue at hand lies in the fact that Ajax.ActionLink injects JavaScript into the page to handle various functionalities on your behalf. This injected code, which you likely didn't write or even realize existed, was responsible for handling these actions behind the scenes.

Now that you've transitioned to using Html.BeginForm, that automatic JavaScript injection has been eliminated. Instead, you're left with a conventional HTML form that triggers a page reload upon submission. To replicate the previous behavior, you could opt to use Ajax.BeginForm. However, before hastily implementing this approach, consider taking the time to enhance your code by manually writing the necessary JavaScript. By doing so, the inner workings will be clear and transparent, removing any guesswork from the equation.

To achieve this, all you need to do is attach an event handler to the form's submit action, serialize its data, initiate an AJAX post request, and manage the response accordingly. In the example below, jQuery is utilized for its simplicity and efficiency in handling AJAX operations:

$(document).ready(function () {
    $('#YourForm').on('submit', function (e) {
        e.preventDefault();
        $.post('/url/to/post/to', $(this).serializeArray(), function (result) {
            // Process `result` accordingly
            // For instance, if `result` contains HTML content, you can output it to a designated element:
            $('#ResultDiv').html(result);
        });
    });
});

Answer 2

There are countless reasons why I have a strong dislike for the family of helpers known as Ajax.*. They tend to hide functionality, making it difficult to troubleshoot when things don't work as expected. Crafting your own AJAX solution is a decision you won't regret.

The issue at hand lies in the fact that Ajax.ActionLink injects JavaScript into the page to handle various functionalities on your behalf. This injected code, which you likely didn't write or even realize existed, was responsible for handling these actions behind the scenes.

Now that you've transitioned to using Html.BeginForm, that automatic JavaScript injection has been eliminated. Instead, you're left with a conventional HTML form that triggers a page reload upon submission. To replicate the previous behavior, you could opt to use Ajax.BeginForm. However, before hastily implementing this approach, consider taking the time to enhance your code by manually writing the necessary JavaScript. By doing so, the inner workings will be clear and transparent, removing any guesswork from the equation.

To achieve this, all you need to do is attach an event handler to the form's submit action, serialize its data, initiate an AJAX post request, and manage the response accordingly. In the example below, jQuery is utilized for its simplicity and efficiency in handling AJAX operations:

$(document).ready(function () {
    $('#YourForm').on('submit', function (e) {
        e.preventDefault();
        $.post('/url/to/post/to', $(this).serializeArray(), function (result) {
            // Process `result` accordingly
            // For instance, if `result` contains HTML content, you can output it to a designated element:
            $('#ResultDiv').html(result);
        });
    });
});

Is there a way to trigger the loading of a partial view with a button click?

Answer №1

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