public static Car getCar(int id)
{
string query = "SELECT Brand, Model, Price, Year, Volume FROM Cars WHERE Id = @Id";
using (SqlConnection conn = new SqlConnection(connStr))
{
using (SqlCommand cmd = new SqlCommand(query, conn))
{
cmd.Parameters.AddWithValue("Id", id);
conn.Open();
using (SqlDataReader reader = cmd.ExecuteReader())
{
if (reader.Read())
{
Car car = new Car();
car.ID = id;
string brand = reader.GetString(0);
car.Brand = brand.TrimEnd(' ');
string model = reader.GetString(1);
car.Model = model.TrimEnd(' ');
car.Price = reader.GetDecimal(2);
car.Year = reader.GetInt32(3);
car.Volume = reader.GetInt32(4);
return car;
}
else
{
return null;
}
}
}
}
}
public ActionResult SellCar(Car car)
{
if (ModelState.IsValid)
{
CarsDatabase.addCar(car);
return View();
}
return View("Index");
}
public static void addCar(Car car)
{
string query = ("INSERT INTO Cars (Brand, Model, Price, Year, Volume)");
query += " VALUES (@Brand, @Model, @Price, @Year, @Volume)";
using (SqlConnection conn = new SqlConnection(connStr))
{
using (SqlCommand cmd = new SqlCommand(query, conn))
{
cmd.Parameters.AddWithValue("@Brand", car.Brand);
cmd.Parameters.AddWithValue("@Model", car.Model);
cmd.Parameters.AddWithValue("@Price", car.Price);
cmd.Parameters.AddWithValue("@Year", car.Year);
cmd.Parameters.AddWithValue("@Volume", car.Volume);
conn.Open();
cmd.ExecuteNonQuery();
}
}
}
public static List<Car> getCars()
{
string query = "SELECT Id, Brand, Model, Price, Year, Volume FROM Cars";
List<Car> cars = new List<Car>();
using (SqlConnection conn = new SqlConnection(connStr))
{
using (SqlCommand cmd = new SqlCommand(query, conn))
{
conn.Open();
using (SqlDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
Car car = new Car();
car.ID = reader.GetInt32(0);
string brand = reader.GetString(1);
car.Brand = brand.TrimEnd(' ');
string model = reader.GetString(2);
car.Model = model.TrimEnd(' ');
car.Price = reader.GetDecimal(3);
car.Year = reader.GetInt32(4);
car.Volume = reader.GetInt32(5);
cars.Add(car);
}
return cars;
}
}
}
}
