ASP.NET Identity Create an Account -

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I am using ASP.NET MVC 5.0 EF 6.0 and Identity 1.0.

I is a seed festival which currently runs successfully and incorporates various pieces of data such as 'teacher' into the database. I would like to expand the seed festival, so that when I make a new teacher, it also creates a new user account in the aspen's table.

I have tried the following code in the 'SampleData.cs' file: 

  Using the system. Colllections.Generic; Using System.Linq; Using System.Data.Entity; Using Oberhofen.EdNow.Data.Models; Using Oberhofen.EdNow.Model.Models; Using Microsoft.AspNet.Identity; Using Microsoft.AspNet.Identity.EntityFramework; Using the system; Nameshot Oberhofen.Adnov.Data {Public class Adenospledata: DropCreate DibSimedel Changes & lt; Adenovantitis & gt; {Personal User Manager & lt; ApplicationUser & gt; UserManager; Protected Override Zero Seed (EdenNews Reference) {// Create a new account String Username = "Volock"; String password = "password"; Var user = new applicationUser {user name = username, email = "zzzz@gmail.com"}; Var result = userManager.Create (user, password); Var userId = user.Id; // Create new teachers Var teacher = new list & gt; Teacher & gt; {New teachers {first name = "walter", last name = "lockhart", personalit id = 2, user id = user id}}; Teachers ForEach (tchr = & gt; Reference Tester. Add (TCR)); Context.Commit (); }}}   
 When I run the code on the line:  
  var result = userManager.Create (user, password);   
 I get the following exception:  
 
 Microsoft.AspNet.Identity.Core.dll & gt; Exception to a type 'System.ArgumentNullException' typed in. But the code that was not handled in the user code could not be zero. Parameter Name: Manager   
 Can someone please advise me what is missing in my code which can be an exception.  
 Thanks in advance.  
 Walter   
 
 
 Before you remove the result, Should:  
 / P>   User Manager = New User Manager & lt; ApplicationUser & gt; ();   
 or set to  null  in the declaration.

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