HyperCube/Pages/Account.razor.cs

using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.AspNetCore.Identity;
using HyperCube.Models;

namespace HyperCube.Pages
{
    public partial class Account
    {
        [Inject]
        public AuthenticationStateProvider AuthenticationStateProvider { get; set; }
        [Inject]
        public UserManager<IdentityUser> UserManager { get; set; }
        [Inject]
        AppData AppData { get; set; }

        private AccountModel account = new();
        string myBalance = "";

        protected override async Task OnInitializedAsync()
        {
            account = AppData.CurrentAccount;
            if (Blockchain.GetMain() != null)
                myBalance = await account.GetBalance();
        }        
    }
}