private void button1_Click(object sender, EventArgs e) { String constring = "SERVER=db4free.net;UID=internals;PWD=peaceinheaven;PORT=3306;DATABASE=internals;old guids=true"; MySqlConnection conDataBase = new MySqlConnection(constring); MySqlCommand cmdDataBase = new MySqlCommand("select CollegeCode,UserName,cast(aes_decrypt(Password,'SecretKey') as char(50)) as Password from internals.login where UserName='******' and Password=aes_encrypt('" + textBox2.Text + "','SecretKey') and CollegeCode='" + textBox3.Text + "';", conDataBase); MySqlDataReader myReader; try { conDataBase.Open(); myReader = cmdDataBase.ExecuteReader(); int count = 0; while (myReader.Read()) { count = count + 1; } if (count == 1) { MessageBox.Show("YOU ARE AN AUTHORIZED USER...ACCESS GRANTED."); this.Hide(); mainform f2 = new mainform(textBox1.Text, textBox3.Text); f2.ShowDialog(); } else if (count > 1) { MessageBox.Show("DUPLICATE USERNAME AND PASSWORD...ACCESS DENIED."); } else { MessageBox.Show("YOU SEEM TO BE AN UNAUTHORIZED USER...ACCESS DENIED."); } conDataBase.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }
private void button1_Click(object sender, EventArgs e) { String constring = "datasource=localhost;port=3306;username=root;password=root"; MySqlConnection conDataBase = new MySqlConnection(constring); MySqlCommand cmdDataBase = new MySqlCommand("select * from internals.login where UserName='******' and Password='******';", conDataBase); MySqlDataReader myReader; try { conDataBase.Open(); myReader = cmdDataBase.ExecuteReader(); int count = 0; while (myReader.Read()) { count = count + 1; } if (count == 1) { MessageBox.Show("YOU ARE AN AUTHORIZED USER...ACCESS GRANTED."); this.Hide(); mainform f2 = new mainform(); f2.ShowDialog(); } else if (count > 1) { MessageBox.Show("DUPLICATE USERNAME AND PASSWORD...ACCESS DENIED."); } else { MessageBox.Show("YOU SEEM TO BE AN UNAUTHORIZED USER...ACCESS DENIED."); } } catch (Exception ex) { MessageBox.Show(ex.Message); } }