everything/EveryThing/Pages/Invoices/Create.cshtml

@page
@model EveryThing.Pages.Invoices.CreateModel

@{
    ViewData["Title"] = "Vnos fakture";
    Layout = "~/Pages/Layouts/_Layout.cshtml";
}
<!-- Editor -->
<link rel="stylesheet" href="~/vendor/libs/quill/typography.css" asp-append-version="true" />
<link rel="stylesheet" href="~/vendor/libs/quill/editor.css" asp-append-version="true" />

<form method="post" onsubmit="handleEditors()">
   <h4 class="d-flex justify-content-between align-items-center w-100 font-weight-bold py-1 mb-4">
        <span>
            <span class="text-muted font-weight-light">
                @switch (ViewData["Type"])
                {
                    case 1:
                        <i>Naročila dobaviteljem</i>
                        break;
                    case 0:
                        <i>Računi</i>
                        break;
                    case 2:
                        <i>Dobavnice</i>
                        break;
                    case 3:
                        <i>Naročila kupcev</i>
                        break;
                    case 4:
                        <i>Kooperacije</i>
                        break;
                    default:
                        <i>Fakture</i>
                        break;
                }
                /</span> Vnos
        </span>
    </h4>
    <div class="card">
        <h6 class="card-header">
            Podatki fakture
        </h6>
        <div class="card-body">
            <div class="row">
                <div class="col-md-4">
                    <div asp-validation-summary="ModelOnly" class="text-danger"></div>
                    <input type="hidden" asp-for="@ViewData["Type"]" name="type"/>
                    <div class="form-group">
                        <label asp-for="Invoice.IdPartnerFk" class="control-label"></label>
                        <select asp-for="Invoice.IdPartnerFk" class="form-control" asp-items="ViewBag.IdPartnerFk"></select>
                        <span asp-validation-for="Invoice.IdPartnerFk" class="text-danger"></span>
                    </div>
                    <div class="form-group">
                        <label asp-for="Invoice.Date" class="form-label"></label>
                        <input autocomplete="off" asp-for="Invoice.Date" type="date" class="form-control" />
                        <span asp-validation-for="Invoice.Date" class="text-danger"></span>
                    </div>
                </div>
            </div>
            <div class="row">
                <div class="col-6">
                    <div class="form-group mb-0">
                        <label asp-for="Invoice.PreText" class="form-label"></label>
                        <input type="hidden" id="value-pretext" asp-for="@Model.Invoice.PreText" />
                        <div id="editor-pretext" style="height: 250px">
                            @Html.Raw(Model.Invoice.PreText)
                        </div>
                    </div>
                </div>
                <div class="col-6">
                    <div class="form-group mb-0">
                        <label asp-for="Invoice.PostText" class="form-label"></label>
                        <input type="hidden" id="value-posttext" asp-for="@Model.Invoice.PostText" />
                        <div id="editor-posttext" style="height: 250px">
                            @Html.Raw(Model.Invoice.PostText)
                        </div>
                    </div>
                </div>
            </div>
            <div class="row" style="margin-top:10px;">
                <div class="col-6">
                    <div class="form-group">
                        <input type="submit" value="Shrani" class="btn btn-primary" />
                        <a class="btn btn-default" asp-page="./Index" asp-route-type="@ViewData["Type"]">Nazaj na seznam</a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</form>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}

    <!-- Editor -->
    <script src="~/vendor/libs/quill/quill.js" asp-append-version="true"></script>

    <script>
        var Block = Quill.import('blots/block');
        Block.tagName = 'DIV';
        Quill.register(Block, true);

        let editorPreText = new Quill('#editor-pretext', { modules: { toolbar: [['bold', 'italic', 'underline'], ['color'],[{ 'list': 'ordered' }, { 'list': 'bullet' }],['align'],['clean']] }, theme: 'snow' });
        let editorPostText = new Quill('#editor-posttext', { modules: { toolbar: [['bold', 'italic', 'underline'], ['color'],[{ 'list': 'ordered' }, { 'list': 'bullet' }],['align'],['clean']] }, theme: 'snow' });
        let editorCargoDescription = new Quill('#editor-cargodescription', { modules: { toolbar: [['bold', 'italic', 'underline'], ['color'], [{ 'list': 'ordered' }, { 'list': 'bullet' }], ['align'], ['clean']] }, theme: 'snow' });

        function handleEditors() {
            document.getElementById('value-pretext').value = editorPreText.root.innerHTML;
            document.getElementById('value-posttext').value = editorPostText.root.innerHTML;
            document.getElementById('value-cargodescription').value = editorCargoDescription.root.innerHTML;
        }

        $(document).ready(function () {
            loadPosition();
        });
    </script>
}