How Do I Insert Information To Database Using Ef

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EF6.0

i want to insert users information to database using entity framework. i' am using CreateUserWizard.And event of this control as follow.

protected void RegisterUser_CreatedUser(object sender, EventArgs e)
        {
            Database1Entities db = new Database1Entities();
            Kullanıcılar kullanıcı = new Kullanıcılar();
            kullanıcı.AdSoyad = RegisterUser.UserName;
            kullanıcı.Şifre = RegisterUser.Password;
            db.Kullanıcılar.Add(kullanıcı);

            db.SaveChanges();


            FormsAuthentication.SetAuthCookie(RegisterUser.UserName, createPersistentCookie: false);

            string continueUrl = RegisterUser.ContinueDestinationPageUrl;
            if (!OpenAuth.IsLocalUrl(continueUrl))
            {
                continueUrl = "~/";
            }
            Response.Redirect(continueUrl);

           
            }

but when i check the Entity to see user information i see blank columns.how can solve this problem?