btcpayserver/BTCPayServer/Views/Account/Register.cshtml

@model RegisterViewModel
@{
    ViewData["Title"] = "Register";
    var useBasicLayout = ViewData["UseBasicLayout"] is true;
    Layout = useBasicLayout ? "_Layout" : "_LayoutWelcome";
}
@if (TempData.HasStatusMessage())
{
    <div class="row">
        <div class="col-lg-12 text-center">
            <partial name="_StatusMessage"/>
        </div>
    </div>
}

<!-- We want to center the dialog box in case we are not using the Welcome layout -->
<div class="modal-dialog @(useBasicLayout ? "modal-dialog-centered" : "")">
    <div class="modal-content">
        <div class="modal-header">
            <h4 class="modal-title">Create account</h4>
        </div>
        <div class="modal-body">
            <form asp-route-returnUrl="@ViewData["ReturnUrl"]" asp-route-logon="@ViewData["Logon"]" method="post">
                <fieldset disabled="@(ViewData.ContainsKey("disabled") ? "disabled" : null)" >
                    <div asp-validation-summary="ModelOnly" class="text-danger"></div>
                    <div class="form-group">
                        <div class="input-group">
                            <div class="input-group-prepend">
                                <label for="Email" class="input-group-text">
                                    <span class="input-group-addon fa fa-user"></span>
                                </label>
                            </div>
                            <input asp-for="Email" class="form-control" placeholder="Email" required="required"/>
                        </div>
                        <span asp-validation-for="Email" class="text-danger"></span>
                    </div>
                    <div class="form-group">
                        <div class="input-group">
                            <div class="input-group-prepend">
                                <label for="Password" class="input-group-text">
                                    <span class="input-group-addon fa fa-lock"></span>
                                </label>
                            </div>
                            <input asp-for="Password" class="form-control" placeholder="Password" required="required"/>
                        </div>
                        <span asp-validation-for="Password" class="text-danger"></span>
                    </div>
                    <div class="form-group">
                        <div class="input-group">
                            <div class="input-group-prepend">
                                <label for="ConfirmPassword" class="input-group-text">
                                    <span class="input-group-addon fa fa-lock"></span>
                                </label>
                            </div>
                            <input asp-for="ConfirmPassword" class="form-control" placeholder="Repeat password" required="required"/>
                        </div>
                        <span asp-validation-for="ConfirmPassword" class="text-danger"></span>
                    </div>
                    @if (ViewData["AllowIsAdmin"] is true)
                    {
                        <div class="form-group">
                            <label asp-for="IsAdmin"></label>
                            <input asp-for="IsAdmin" type="checkbox" class="form-check-inline"/>
                            <span asp-validation-for="IsAdmin" class="text-danger"></span>
                        </div>
                    }
                    <div class="form-group">
                        <button type="submit" class="btn btn-primary btn-block btn-lg" id="RegisterButton">Create account</button>
                    </div>
                </fieldset>
            </form>
        </div>
            <div class="modal-footer"><span>Already have an account? <a id="Login" asp-action="Login" asp-route-returnurl="@ViewData["ReturnUrl"]">Login</a></span></div>
    </div>
</div>