Assign a user to AspNetUserRole in Console Line Application C#

Question

I have a program where I read a CSV file of email addresses and user data, and bring it into a C# console line application, and write each one into the AspNetUser table (assuming it passes validation).

I can write in a new user via the following code:-

AspNetUser user = new AspNetUser();
user.Id = Guid.NewGuid().ToString();
user.UserName = username;
// More Code
db.AspNetUsers.Add(user);
db.SaveChanges();

How can I from here, assign them to a role, so adding a record in the AspNetUsersRole table? The table is not accessible through LINQ? I don't seem to have access to UserManager or ApplicationUser in the console line application?

Thanks in advance!

If you are using Identity, you should use the UserManager and RoleManager classes to manage your users/roles. — DavidG
– DavidG, Commented Aug 22, 2016 at 9:37
How can I access these from a console application though? Intellisense just offers me to create a new class of the same name? Is it a reference I need to add? — Mike Upjohn
– Mike Upjohn, Commented Aug 22, 2016 at 9:40

DavidG · Accepted Answer · 2016-08-22 09:43:50Z

1

If you are using Identity, you should use the UserManager and RoleManager classes to manage your users/roles:

var user = new AspNetUser
{ 
    Id = Guid.NewGuid().ToString(),
    UserName = username
};

var userManager = new UserManager<AspNetUser>();
userManager.Create(user, "password");
userManager.AddToRole(user.Id, "RoleName");

But if you really want to stick with your context, then you can use the navigation property of the user:

var user = new AspNetUser
{ 
    Id = Guid.NewGuid().ToString(),
    UserName = username
};

db.AspNetUsers.Add(user);
var role = db.AspNetRoles.Single(r => r.Name = "RoleName");
user.Roles.Add(role);
db.SaveChanges();

answered Aug 22, 2016 at 9:43

DavidG

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