private void ListemiGetir()
        {
            DataTable dtt = FStok.sekstre();

            for (int i = 0; i < dtt.Rows.Count; i++)
            {
                ListViewItem lolo = new ListViewItem(dtt.Rows[i][1].ToString());
                lolo.SubItems.Add(dtt.Rows[i][2].ToString());
                lolo.SubItems.Add(dtt.Rows[i][3].ToString());
                lolo.SubItems.Add(dtt.Rows[i][4].ToString());
                listView1.Items.Add(lolo);
            }
        }
        private void StoklariGetir()
        {
            DataTable dt = FStok.sekstre();

            dataGridView1.DataSource            = dt;
            dataGridView1.Columns[0].HeaderText = "stokid";
            dataGridView1.Columns[1].HeaderText = "Stok Kodu";
            dataGridView1.Columns[2].HeaderText = "Stok Adı";
            dataGridView1.Columns[3].HeaderText = "Stok Açıklama";
            dataGridView1.Columns[4].HeaderText = "Stok Miktar";
            dataGridView1.Columns[0].Visible    = false;
            dataGridView1.Columns[5].Visible    = false;
        }