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我想用一個模型來創建一個用戶使用asp.net核心2 sql服務器和身份核心。但是我有一個註冊用戶的問題，下面是我的代碼和它產生的錯誤。我希望有一個人可以幫助我。身份核心2問題與註冊
這不僅僅是一個空問題，它是發佈表單時沒有得到正確模型的問題，所以人員間的錯誤是不正確的。
型號：
public class Register
{
[Required]
[EmailAddress]
[Display(Name = "Email")]
public string Email { get; set; }
[Required]
[StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
[DataType(DataType.Password)]
[Display(Name = "Password")]
public string Password { get; set; }
[DataType(DataType.Password)]
[Display(Name = "Confirm password")]
[Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
public string ConfirmPassword { get; set; }
}
，而我已經打上了post命令
[HttpGet]
[AllowAnonymous]
public IActionResult Register(string returnUrl = null)
{
ViewData["ReturnUrl"] = returnUrl;
return View();
}
//
// POST: /Account/Register
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Register(AppUser model, string returnUrl = null)
{
ViewData["ReturnUrl"] = returnUrl;
var user = new AppUser { UserName = model.Email, Email = model.Email };
var result = await _userManager.CreateAsync(user, model.Password);
if (result.Succeeded)
{
// For more information on how to enable account confirmation and password reset please visit http://go.microsoft.com/fwlink/?LinkID=532713
// Send an email with this link
//var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
//var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: HttpContext.Request.Scheme);
//await _emailSender.SendEmailAsync(model.Email, "Confirm your account",
// "Please confirm your account by clicking this link: <a href=\"" + callbackUrl + "\">link</a>");
await _signInManager.SignInAsync(user, isPersistent: false);
return RedirectToLocal(returnUrl);
}
// If we got this far, something failed, redisplay form
return View(model);
}
這是我的形式
@model solitude.models.Register
@{
ViewData["Title"] = "Register";
Layout = "~/Views/Shared/_LoginAdminLte.cshtml";
}
<body class="hold-transition register-page">
<div class="register-box">
<div class="register-logo">
<a href="../../index2.html"><b>Register</b></a>
</div>
<div class="register-box-body">
<p class="login-box-msg">Register a new membership</p>
<form asp-controller="Account" asp-action="Register" asp-route-returnurl="@ViewData["ReturnUrl"]" method="post" class="form-horizontal" role="form">
<div class="form-group has-feedback">
<input type="text" class="form-control" placeholder="Full name">
<span class="glyphicon glyphicon-user form-control-feedback"></span>
</div>
<div class="form-group has-feedback">
<input asp-for="Email" class="form-control" placeholder="Email">
<span class="glyphicon glyphicon-envelope form-control-feedback"></span>
</div>
<div class="form-group has-feedback">
<input asp-for="Password" class="form-control" />
<span class="glyphicon glyphicon-lock form-control-feedback"></span>
</div>
<div class="form-group has-feedback">
<input asp-for="ConfirmPassword" class="form-control" />
<span class="glyphicon glyphicon-log-in form-control-feedback"></span>
</div>
<div class="row">
<div class="col-xs-8">
<div class="checkbox icheck">
<label>
<input type="checkbox"> I agree to the <a href="#">terms</a>
</label>
</div>
</div>
<!-- /.col -->
<div class="col-xs-4">
<button type="submit" class="btn btn-primary btn-block btn-flat">Register</button>
</div>
<!-- /.col -->
</div>
</form>
HTML寄存器的動作，但我有以下錯誤問題
System.NullReferenceException：對象引用未設置爲對象的實例 。在 solitude.admin.core.Controllers.AccountController.d__6.MoveNext（） 在 C：\項目\ solitudeec2core \ solitude.admin.core \ solitude.admin.core \控制器\ AccountController.cs：線 - - 從拋出異常的上一個位置結束堆棧跟蹤---在System.Runtime的System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw（） System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification（任務 任務）處結束 。 CompilerServices.TaskAwaiter`1.GetResult（） at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.d__12.MoveNext（） ---從以前位置拋出異常的堆棧跟蹤結束---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw（）在
當我看行88它顯示了這一點，但我不明白爲什麼我有這個問題
VAR的結果=等待_userManager .CreateAsync（user，model.Password）;
我Startup.cs
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
var connection = @"Server=----SEVER NAME HIDDEN---;Database=solitude;Trusted_Connection=True;";
services.AddDbContext<SolitudeDBContext>(options => options.UseSqlServer(connection));
services.AddIdentity<AppUser, IdentityRole>()
.AddEntityFrameworkStores<SolitudeDBContext>()
.AddDefaultTokenProviders();
services.AddMvc();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
app.UseBrowserLink();
}
else
{
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();
app.UseAuthentication();
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
});
}
是否有身體有一個想法可能是錯誤的。
的可能的複製[什麼是一個NullReferenceException，我該如何解決它？]（https：// stackoverflow。com/questions/4660142/what-is-a-nullreferenceexception-and-how-do-i-fix-it） – Hintham
情況並非如此這是一個模型問題 – roguedb593