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(); OleDbDataReader dr = cmd1.ExecuteReader(); while (dr.Read()) { br = Convert.ToInt32( dr[0]); } if (Convert.ToInt32(textBox1.Text) > br) { textBox2.Clear(); textBox3.Clear(); dateTimePicker1.Value = DateTime.Now; }
private void radioButton1_CheckedChanged(object sender, EventArgs e) { button1.Enabled = true; button2.Enabled=false; textBox1.Enabled=true; textBox2.Enabled = true; textBox3.Enabled = true; textBox5.Enabled = true; comboBox1.Enabled = true; List<string> kategorije = new List<string>(); string drl = "Select Naziv From Kategorija ORDER BY Naziv"; OleDbCommand komanda = new OleDbCommand(drl, con); con.Open(); OleDbDataReader reader = komanda.ExecuteReader(); while (reader.Read()) { kategorije.Add(reader.GetValue(0).ToString()); } comboBox1.DataSource = kategorije; con.Close(); } private void textBox1_TextChanged(object sender, EventArgs e) { OleDbConnection con = new OleDbCo