private void button2_Click(object sender, EventArgs e)
{
int id = (int)textBox1.Tag;
Firmalar sil = baglanti.FirmalarSet.SingleOrDefault(f => f.firma_id == id);
baglanti.FirmalarSet.Remove(sil);
baglanti.SaveChanges();
dataGridView1.DataSource = baglanti.FirmalarSet.ToList();
}
private void button4_Click(object sender, EventArgs e)
{
int id = (int)textBox1.Tag;
Firmalar guncel = baglanti.FirmalarSet.SingleOrDefault(f => f.firma_id == id);
guncel.FirmaTipi = textBox1.Text.ToString();
baglanti.SaveChanges();
dataGridView1.DataSource = baglanti.FirmalarSet.ToList();
}
private void button1_Click(object sender, EventArgs e)
{
Firmalar ekle = new Firmalar();
ekle.FirmaTipi = textBox1.Text.ToString();
baglanti.FirmalarSet.Add(ekle);
baglanti.SaveChanges();
dataGridView1.DataSource = baglanti.FirmalarSet.ToList();
textBox1.Text = "";
}