public void RentCar(CarRent carRent)
{
using (var ctx = new AppDbContext()) {
CarEntity car = ctx.Cars.First(x => x.ID == carRent.CarID);
car.ClientID = carRent.ClientID;
ctx.Rents.Add(carRent);
ctx.SaveChanges();
}
}
public void ReturnCar(Int32 leaseID)
{
using (var ctx = new AppDbContext()) {
CarRent exisitngRent = ctx.Rents.First(x => x.ID == leaseID);
ctx.Rents.Remove(exisitngRent);
CarEntity car = ctx.Cars.First(x => x.ID == exisitngRent.CarID);
car.ClientID = null;
ctx.SaveChanges();
}
}