@page "{userIndex}"
@model UserModel
@{
    ViewData["Title"] = "User #" + @Model.userId;
}

<div class="text-left">
    <form method="post">
        <label asp-for="UserNickName">Preferred Name</label>
        <input asp-for="UserNickName" />
        <br />
        <label asp-for="UserName">Contact Name</label>
        <input asp-for="UserName" disabled /> 
        <br />
        <input type="submit" title="Submit" />
    </form>
</div>