private void button1_Click( object sender, EventArgs e ) { try { OracleConnection conn = ConnectionOracle.creaConnection (); conn.Open(); OracleCommand cmd = conn.CreateCommand(); cmd.CommandText = "select count(*) from admins where id='" + Uname.Text + "'and psw='" + Psw.Text + "'"; OracleDataReader reader = cmd.ExecuteReader(); while (reader.Read()) { // int if (reader[0].ToString().Equals("1")) { MessageBox.Show("用户已找到,登陆成功"); MainForm main = new MainForm(); // this.Disposing(); this.Hide(); main.ShowDialog(); return; } } MessageBox.Show("没有找到你的记录,请检查输入,或联系管理员."); // cmd.ExecuteReader(str); } catch (Exception e1) { MessageBox.Show(e1.Message); throw; } // ConnectionOracle conn = // ConnectionOracle conn = new ConnectionOracle();/ }
private void button2_Click( object sender, EventArgs e ) { this.Hide(); MainForm ma = new MainForm(); ma.Show(); }