private void txtArama_TextChanged(object sender, EventArgs e)
{
dataGridView1.DataSource = nesne.KitapArama(txtArama.Text);
dataGridView1.Columns[0].Visible = false;
dataGridView1.Columns[1].HeaderText = "Kitap Kod";
dataGridView1.Columns[2].HeaderText = "Kitap Adı";
dataGridView1.Columns[3].HeaderText = "Kategori";
dataGridView1.Columns[4].HeaderText = "Yazar Adı";
dataGridView1.Columns[5].HeaderText = "Raf Numarası";
dataGridView1.Columns[6].HeaderText = "Kitap Bilgisi";
dataGridView1.Columns[7].HeaderText = "Açıklama";
}
