Update 07082021

WebFormApp/Account/Register.aspx.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Linq;
+using System.Web;
+using System.Web.UI;
+using Microsoft.AspNet.Identity;
+using Microsoft.AspNet.Identity.Owin;
+using Owin;
+using WebFormApp.Models;
+
+namespace WebFormApp.Account
+{
+    public partial class Register : Page
+    {
+        protected void CreateUser_Click(object sender, EventArgs e)
+        {
+            var manager = Context.GetOwinContext().GetUserManager<ApplicationUserManager>();
+            var signInManager = Context.GetOwinContext().Get<ApplicationSignInManager>();
+            var user = new ApplicationUser() { UserName = Email.Text, Email = Email.Text };
+            IdentityResult result = manager.Create(user, Password.Text);
+            if (result.Succeeded)
+            {
+                // Weitere Informationen zum Aktivieren der Kontobestätigung und Kennwortzurücksetzung finden Sie unter https://go.microsoft.com/fwlink/?LinkID=320771
+                //string code = manager.GenerateEmailConfirmationToken(user.Id);
+                //string callbackUrl = IdentityHelper.GetUserConfirmationRedirectUrl(code, user.Id, Request);
+                //manager.SendEmail(user.Id, "Konto bestätigen", "Bitte bestätigen Sie Ihr Konto. Klicken Sie dazu <a href=\"" + callbackUrl + "\">hier</a>.");
+
+                signInManager.SignIn( user, isPersistent: false, rememberBrowser: false);
+                IdentityHelper.RedirectToReturnUrl(Request.QueryString["ReturnUrl"], Response);
+            }
+            else 
+            {
+                ErrorMessage.Text = result.Errors.FirstOrDefault();
+            }
+        }
+    }
+}