private void btn_login_Click(object sender, EventArgs e) { connection = new MySqlConnection(ConnectionString); if (txt_uname.Text == "" || txt_pword.Text == "") { MessageBox.Show("Invalid Username or Password"); } try { connection.Open(); MySqlCommand cmd = new MySqlCommand("SELECT uname, pword From users Where uname = '" + txt_uname.Text + "' And pword ='" + txt_pword.Text + "'", connection); MySqlDataAdapter adapter = new MySqlDataAdapter(cmd); DataSet ds = new DataSet(); adapter.Fill(ds); cmd.ExecuteNonQuery(); connection.Close(); int count = ds.Tables[0].Rows.Count; if (count == 1) { //MessageBox.Show("Login Successfully!"); MainForm main = new MainForm(); main.FormClosed += new FormClosedEventHandler(mainformclosed); main.Show(); this.Hide(); } else { MessageBox.Show("Invalid Username or Password"); } } catch (Exception ex) { MessageBox.Show(ex.Message); } }
private void btn_login_Click(object sender, EventArgs e) { connection = new MySqlConnection(ConnectionString); try { connection.Open(); MySqlCommand cmd = new MySqlCommand("SELECT uname, pword From users Where uname = '" + txt_uname.Text + "' AND pword = '" + txt_pword.Text + "' and status = 'Active'", connection); MySqlDataAdapter adapter = new MySqlDataAdapter(cmd); DataSet ds = new DataSet(); adapter.Fill(ds); cmd.ExecuteNonQuery(); connection.Close(); int count = ds.Tables[0].Rows.Count; if (count == 1) { MainForm main = new MainForm(); main.FormClosed += new FormClosedEventHandler(mainformclosed); main.Show(); this.Hide(); } else { btn_cancel.PerformClick(); MetroMessageBox.Show(this, "Invalid Username or Password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } catch (Exception ex) { MetroMessageBox.Show(this, ex.Message); } }