Identity razor login logout example, injecting services in view example
@using Microsoft.AspNetCore.Identity
@inject SignInManager<User> SignInManager
@inject UserManager<User> UserManager
@if (SignInManager.IsSignedIn(User))
{
<form asp-controller="Account" asp-action="LogOff" method="post" id="logoutForm" class="navbar-right">
<ul class="nav navbar-nav navbar-right">
<li>
<a asp-controller="Manage" asp-action="Index" title="Manage">Hello @UserManager.GetUserName(User)!</a>
</li>
<li>
<button type="submit" class="btn btn-link navbar-btn navbar-link">Log off</button>
</li>
</ul>
</form>
}
else
{
<ul class="nav navbar-nav navbar-right">
<li><a asp-controller="Account" asp-action="Register">Register</a></li>
<li><a asp-controller="Account" asp-action="Login">Log in</a></li>
</ul>
}