private void IsciForm_Load(object sender, EventArgs e)
{
dataGridView1.DataSource = iscicmd.Select();
VezifeMethod vezifecmd = new VezifeMethod();
comboBox1.DataSource = vezifecmd.Select();
dataGridView1.Columns[0].Visible = false;
comboBox1.DisplayMember = "Ad";
comboBox1.ValueMember = "Id";
}