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