...

TaxPayerFull/Pages/Register.razor

@@ -2,6 +2,7 @@
 @using Shared.DTOs
 @inject HttpClient _hc
 @inject NavigationManager nav
+@inject UserAuthenticationDTO userinfo
 <PageTitle>ثبت نام</PageTitle>
 <main>
 
@@ -88,6 +89,9 @@
 
     protected override async Task OnInitializedAsync()
     {
+        if (userinfo!=null)
+        nav.NavigateTo("/");
+        
         editContext = new EditContext(model);
         messageStore = new(editContext);
         await base.OnInitializedAsync();