private void BtnSil_Click(object sender, EventArgs e)
        {
            int                satir = dataGridView1.CurrentRow.Index;
            string             id    = dataGridView1.Rows[satir].Cells["calisan_id"].Value.ToString();
            Personel_Islemleri pe    = new Personel_Islemleri();

            pe.personelSil(id);
            dataGridView1.DataSource = pe.tablolar();
        }
        private void BtnGüncelle_Click(object sender, EventArgs e)
        {
            Personel_Islemleri pe = new Personel_Islemleri();
            int    satir          = dataGridView1.CurrentRow.Index;
            string id             = dataGridView1.Rows[satir].Cells["calisan_id"].Value.ToString();
            string tc             = Convert.ToString(TbTc.Text);

            pe.personelGuncelle(tc, id, TbAd.Text, TbSoyad.Text, TbKullanici.Text, TbParola.Text);
            dataGridView1.DataSource = pe.tablolar();
        }
 private void BtnKaydet_Click(object sender, EventArgs e)
 {
     if (TbKullanici.Text == null || TbKullanici.Text == "" || TbKullanici.Text == " " || TbAd.Text == null || TbAd.Text == "" || TbAd.Text == " " || TbParola.Text == null || TbParola.Text == "" || TbParola.Text == " " || TbSoyad.Text == null || TbSoyad.Text == "" || TbSoyad.Text == " " || TbTc.Text == null || TbTc.Text == "" || TbTc.Text == " ")
     {
         MessageBox.Show("Boş Kutucuk Bırakmayınız");
     }
     else
     {
         Personel_Islemleri pe = new Personel_Islemleri();
         pe.ekle(TbTc.Text, TbAd.Text, TbSoyad.Text, TbKullanici.Text, TbParola.Text);
         dataGridView1.DataSource = pe.tablolar();
     }
 }
        private void PersonelEkran_Load(object sender, EventArgs e)
        {
            Personel_Islemleri me = new Personel_Islemleri();

            dataGridView1.DataSource = me.tablolar();
        }