@page

@model IndexModel

@{

    ViewData["Title"] = "Home page";

}

​

<div class="row">

    <div class="col-4">

​

        <form method="post">

            <div class="mb-3">

                <select onchange="this.form.submit()" asp-for="SelectedFruit" class="form-control" asp-items="@Model.Options"></select>

            </div>

        </form>

​

        <input class="form-control" value="@Model.SelectedFruitPrice" />

​

    </div>

</div>