public static async Task Initialize(IServiceProvider serviceProvider) { byte count = 0; string userPASS = "******"; var context = serviceProvider.GetRequiredService <ApplicationDbContext>(); var userManger = serviceProvider.GetRequiredService <UserManager <ApplicationUser> >(); var roleManager = serviceProvider.GetRequiredService <RoleManager <IdentityRole> >(); var userMangerService = new UserManagerService(userManger); var roleManagerSerice = new RoleManagerService(roleManager); //var conetextIfExist = context.Database.EnsureCreated(); // var context = ApplicationDbContext.Create(); if (!context.Roles.Any()) { foreach (var role in roles) { await roleManagerSerice.CreateRoleAsync(new IdentityRole() { Name = role }); } } if (!context.Users.Any()) { var userList = new List <ApplicationUser>() { new ApplicationUser() { FirstName = "Bilal", LastName = "Aslam", UserName = "******", Email = "*****@*****.**", PhoneNumber = "03464131733" }, new ApplicationUser() { FirstName = "Abdul Rehman", LastName = "Ahsan", UserName = "******", Email = "*****@*****.**", PhoneNumber = "03464131733" }, new ApplicationUser() { FirstName = "Waleed", LastName = "Ahsan", UserName = "******", Email = "*****@*****.**", PhoneNumber = "03464131733" } }; foreach (var user in userList) { await userMangerService.CreateUserAsync(user, userPASS); await userMangerService.AssignRoleAsync(user.Id, roles[count++]); } } }