C# Access Database Connection grid error

[mondgott]

i found a blog but i have a problem. This code line makes me cancer i hope someone can help me. Code line doesnt work, or i didnt work.

griddoldur();
}
private void button1_Click(object sender, EventArgs e)// EKLE BUTONU
{
cmd = new OleDbCommand();
con.Open();
cmd.Connection = con;
cmd.CommandText = “insert into ogrenci (ogr_no,ogr_ad,ogr_soyad,ogr_tel) values (‘” + tbno.Text + “‘,'” + tbad.Text + “‘,'” + tbsoyad.Text + “‘,'” + tbtel.Text + “‘)”;

if someone wants full code line; http://opensourceprojects.org/c-acce...e-application/

[RedSon]

What is the error that you are getting?