private void button6_Click(object sender, EventArgs e) { if (dataGridView1.SelectedRows.Count > 0 && dataGridView1.SelectedRows[0].Index + 1 == dataGridView1.Rows.Count) { return; } Kayit.TahsilEt(Convert.ToInt32(dt_kayit.Rows[dataGridView1.SelectedRows[0].Index]["ID"].ToString())); MessageBox.Show("Tahsil Edildi !"); VerileriYukle(); }