public List <TedarikciFirmalar> GetTedarikciFirmalarTable()
{
ConnectionControl();
SqlCommand command = new SqlCommand("select * from TedarikciFirmalar", _connection);
SqlDataReader reader = command.ExecuteReader();
List <TedarikciFirmalar> t_firmalar = new List <TedarikciFirmalar>();
while (reader.Read())
{
TedarikciFirmalar tedarikciFirmalar = new TedarikciFirmalar
{
FirmaId = Convert.ToInt32(reader["FirmaId"]),
FirmaAdi = reader["FirmaAdi"].ToString(),
Ulke = reader["Ulke"].ToString(),
SehirMerkezi = reader["SehirMerkezi"].ToString(),
Hammadde = reader["Hammaddeler"].ToString(),
Miktar = Convert.ToInt32(reader["Miktar"]),
UretimTarihi = reader["UretimTarihi"].ToString(),
RafOmru = Convert.ToInt32(reader["RafOmru"]),
SatisFiyati = Convert.ToDecimal(reader["SatisFiyati"])
};
t_firmalar.Add(tedarikciFirmalar);
}
reader.Close();
_connection.Close();
return(t_firmalar);
}
public void AddTedarikciFirma(TedarikciFirmalar t_firma)
{
ConnectionControl();
SqlCommand command = new SqlCommand(
"insert into TedarikciFirmalar values(@FirmaAdi,@Ulke,@SehirMerkezi,@Hammadde,@Miktar,@UretimTarihi,@RafOmru,@SatisFiyati)", _connection);
command.Parameters.AddWithValue("@FirmaAdi", t_firma.FirmaAdi);
command.Parameters.AddWithValue("@Ulke", t_firma.Ulke);
command.Parameters.AddWithValue("@SehirMerkezi", t_firma.SehirMerkezi);
command.Parameters.AddWithValue("@Hammadde", t_firma.Hammadde);
command.Parameters.AddWithValue("@Miktar", t_firma.Miktar);
command.Parameters.AddWithValue("@UretimTarihi", t_firma.UretimTarihi);
command.Parameters.AddWithValue("@RafOmru", t_firma.RafOmru);
command.Parameters.AddWithValue("@SatisFiyati", t_firma.SatisFiyati);
command.ExecuteNonQuery();
_connection.Close();
}
public List <TedarikciFirmalar> GetEnUcuzC()
{
ConnectionControl();
SqlCommand command = new SqlCommand(
"select FirmaId,FirmaAdi,Hammaddeler,Miktar,SatisFiyati from TedarikciFirmalar t where t.Hammaddeler = 'C' and Miktar <> 0 and t.SatisFiyati <= all(select SatisFiyati from TedarikciFirmalar where Hammaddeler = 'C')", _connection);
SqlDataReader reader = command.ExecuteReader();
List <TedarikciFirmalar> t_firmalar = new List <TedarikciFirmalar>();
while (reader.Read())
{
TedarikciFirmalar tedarikci = new TedarikciFirmalar
{
FirmaId = Convert.ToInt32(reader["FirmaId"]),
FirmaAdi = reader["FirmaAdi"].ToString(),
Hammadde = reader["Hammaddeler"].ToString(),
Miktar = Convert.ToInt32(reader["Miktar"]),
SatisFiyati = Convert.ToDecimal(reader["SatisFiyati"])
};
t_firmalar.Add(tedarikci);
}
reader.Close();
_connection.Close();
return(t_firmalar);
}