private void textBox1_TextChanged(object sender, EventArgs e) { try { if (textBox1.Text != "") { OleDbConnection con = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0; Data Source=B13B14.accdb"); int br = 0; string uzmi = "Select Max(AutorID) From Autor"; OleDbCommand cmd1 = new OleDbCommand(uzmi, con); con.Open(); OleDbDataR...