Partial View Modal popup buttons not calling Controller Action Method - model-view-controller

Question

I am trying to implement a modal popup which gives a user two buttons, each pointing to action methods in separate controllers.
Here is the partial view:
<div class="modal fade" id="importOption">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" style="color:darkorange">Select Import Option</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close" style="background-color:transparent; color:aquamarine; border-style:none">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<form method="post">
<div asp-validation-summary="ModelOnly" class="text-danger"></div>
<div class="flex-container">
<div class="first">
<div class="form-group">
<button type="button" class="btn btn-primary" asp-controller="BundleNodes" asp-action="Import" asp-route-bndl_id=#ViewBag.Bundle_id asp-route-n_qty=#ViewBag.missing asp-route-org_id=#ViewBag.org_id asp-route-userSelect="auto" data-dismiss="modal">Select Node(s)</button>
</div>
</div>
<div class="second">
<div class="form-group">
<button type="button" class="btn btn-primary" asp-controller="Nodes" asp-action="SelectBind" asp-route-bndl_id=#ViewBag.Bundle_id asp-route-n_qty=#ViewBag.missing asp-route-org_id=#ViewBag.org_id asp-route-userSelect="select" data-dismiss="modal">Auto Import</button>
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
</div>
</form>
</div>
</div>
</div>
</div>
This partial view is basically a modal popup with a form in the body element which contains two buttons. The buttons were taking up too much space in the parent view so I want to move them into a popup, reducing the number of buttons in the parent view. The problem is, once the buttons are in the partial view they don't trigger their respective controller actions.
I am rendering the partial view in the parent view using this line:
#await Html.PartialAsync("_ImportOptionPartialView")