public void AddEmployee(Employee employee)
{
context.Employees.Add(employee);
context.SaveChanges();
}
public void AddBill(Bill bill)
{
context.Bills.Add(bill);
context.SaveChanges();
}
public void AddSIM(SIM sim)
{
context.SIMs.Add(sim);
context.SaveChanges();
}
public void AddPhoneNumber(PhoneNumber phoneNumber)
{
context.PhoneNumbers.Add(phoneNumber);
context.SaveChanges();
}
public void AddPhoneCall(PhoneCall PhoneCall)
{
context.PhoneCalls.Add(PhoneCall);
context.SaveChanges();
}
public void AddCustomer(Customer customer)
{
context.Customers.Add(customer);
context.SaveChanges();
}
