// Enable initialization with an instance of ApplicationUser: public SelectUserRolesViewModel(ApplicationUser user) : this() { this.UserName = user.UserName; this.FirstName = user.FirstName; this.LastName = user.LastName; var Db = new ApplicationDbContext(); // Add all available roles to the list of EditorViewModels: var allRoles = Db.Roles; foreach (var role in allRoles) { // An EditorViewModel will be used by Editor Template: var rvm = new SelectRoleEditorViewModel(role); this.Roles.Add(rvm); } // Set the Selected property to true for those roles for // which the current user is a member: foreach (var userRole in user.Roles) { var checkUserRole = this.Roles.Find(r => r.RoleName == userRole.Role.Name); checkUserRole.Selected = true; } }