public EngineModel Read(int id)
{
EngineModel model = null;
String sql = "select Name,brand,HorsePower from [Engine] where Id=@Id";
using (SqlConnection connection = new SqlConnection(connectionString))
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Parameters.AddWithValue("@Id", id);
command.Connection.Open();
SqlDataReader reader = command.ExecuteReader();
if (reader.Read())
{
model = new EngineModel();
model.Id = id;
model.Name = reader["Name"].ToString();
model.Brand = reader["brand"].ToString();
model.HorsePower = reader["HorsePower"].ToString();
}
}
return(model);
}
public List <EngineModel> List()
{
List <EngineModel> EngineList = new List <EngineModel>();
String sql = "select Id, Name, Brand, HorsePower from [Engine]";
using (SqlConnection connection = new SqlConnection(connectionString))
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Connection.Open();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
EngineModel model = new EngineModel();
model.Id = Convert.ToInt32(reader["Id"]);
model.Name = reader["Name"].ToString();
model.Brand = reader["Brand"].ToString();
model.HorsePower = reader["HorsePower"].ToString();
EngineList.Add(model);
}
return(EngineList);
}
}
public void Update(EngineModel model)
{
String sql = "Update [Engine] set Name=@Name,Brand=@Brand,HorsePower=@HorsePower where Id=@Id";
using (SqlConnection connection = new SqlConnection(connectionString))
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Connection.Open();
command.Parameters.AddWithValue("@Name", model.Name);
command.Parameters.AddWithValue("@Brand", model.Brand);
command.Parameters.AddWithValue("@HorsePower", model.HorsePower);
command.Parameters.AddWithValue("@Id", model.Id);
command.ExecuteNonQuery();
}
}
public bool Create(EngineModel model)
{
String sql = "insert into [Engine] (brand, Name, horsePower) values (@Brand, @Name, @HorsePower)";
using (SqlConnection connection = new SqlConnection(connectionString))
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Parameters.AddWithValue("@Name", model.Name);
command.Parameters.AddWithValue("@Brand", model.Brand);
command.Parameters.AddWithValue("@HorsePower", model.HorsePower);
command.Connection.Open();
command.ExecuteNonQuery();
return(true);
}
}
