void OkuyucuYukle() { dataGridView1.DataSource = nesne.TumOkuyucular(); dataGridView1.Columns[0].Visible = false; dataGridView1.Columns[1].HeaderText = "Tc Kimlik Numarası"; dataGridView1.Columns[2].HeaderText = "Adı Soyadı"; dataGridView1.Columns[3].HeaderText = "Öğrenci Numarası"; dataGridView1.Columns[4].Visible = false; dataGridView1.Columns[5].Visible = false; dataGridView1.Columns[6].HeaderText = "Telefon Numarası"; dataGridView1.Columns[7].HeaderText = "Eposta"; dataGridView1.Columns[8].HeaderText = "Cinsiyet"; }