@page "/Account/Manage/Class" @using System.ComponentModel.DataAnnotations @using Entities.Contracts @using Microsoft.AspNetCore.Identity Profile @if (authenticationStateTask.Result.User.FindFirst("Class")?.Value == null) { @foreach (UserRoles item in Enum.GetValues(typeof(UserRoles))) { if (item != UserRoles.Administrator) { @item.ToString() } } @if (_userRegistrationToClassDto.Roles == UserRoles.Teacher) { @foreach (SubjectAreaEnum item in Enum.GetValues(typeof(SubjectAreaEnum))) { @item } } Register } else { 年级 : @authenticationStateTask.Result.User.FindFirst("Grade")?.Value.ToString() 班级 : @authenticationStateTask.Result.User.FindFirst("Class")?.Value.ToString() }