private void button2_Click(object sender, EventArgs e)
{
uretim = new uretici();
uretim.Show();
tedarikci.Close();
mus.Close();
}
public void dgvDoldur()
{
string sorgu = "select firmaAdi,ulke,sehir,hammaddeAdi,hammaddeMiktari,uretimTarihi,rafOmru,satisFiyati from firma inner join hammadde on firma.firmaID=hammadde.firmaID order by satisFiyati";
SqlDataAdapter da = new SqlDataAdapter(sorgu, baglanti);
DataTable ds = new DataTable();
da.Fill(ds);
uretici f2 = (uretici)Application.OpenForms["uretici"];
f2.dataGridView1.DataSource = ds;
}