DutchTreat/Views/App/Contact.cshtml

@model ContactViewModel
@{ 
    ViewBag.Title = "Contact Us";
}
@section scripts {
    <script src="~/lib/jquery-validation/dist/jquery.validate.js"></script>
    <script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.js"></script>
}

<div class="col-md-6 offset-md-3">
    <div class="card card-body bg-light">
        <form method="post">
            <div asp-validation-summary="ModelOnly"></div>
            <div class="form-group">
                <label asp-for="Name">Your name:</label>
                <input asp-for="Name" class="form-control"/>
                <span asp-validation-for="Name" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Email">Email:</label>
                <input type="email" asp-for="Email" class="form-control" />
                <span asp-validation-for="Email" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Subject">Subject:</label>
                <input type="text" asp-for="Subject" class="form-control" />
                <span asp-validation-for="Subject" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Message">Message:</label>
                <textarea rows="4" asp-for="Message" class="form-control"></textarea>
                <span asp-validation-for="Message" class="text-danger"></span>
            </div>
            <div class="form-group">
                <button type="submit" class="btn btn-primary"><i class="fas fa-envelope"></i> Send Message</button>
                <div class="text-success">@ViewBag.UserMessage</div>
            </div>
        </form>
    </div>
</div>