private void btn_login_Click(object sender, EventArgs e) { Analyse_page newAnalysePage = new Analyse_page(); this.Visible = false; newAnalysePage.Visible = true; }
private void textBox3_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == '\r') { Analyse_page newAnalysePage = new Analyse_page(); this.Visible = false; newAnalysePage.Visible = true; } }
private void btn_login_Click(object sender, EventArgs e) { try { string MyConnection2 = "Server=127.0.0.1;Database=new_schema;Uid=root;Pwd=BlVH5thGSFfHE209Nt4E;"; string query = "SELECT * FROM users where username=@username"; MySqlConnection connection = new MySqlConnection(MyConnection2); MySqlCommand command = new MySqlCommand(query, connection); MySqlDataAdapter myAdapter = new MySqlDataAdapter(); command.Parameters.AddWithValue("@username", textBox4.Text); myAdapter.SelectCommand = command; DataTable table = new DataTable(); myAdapter.Fill(table); DataRow[] row = table.Select(); if (row.Length != 1) { MessageBox.Show("Username cannot be found!"); return; } string password = row[0]["password"].ToString(); string username = row[0]["username"].ToString(); UserNamePassword user = new UserNamePassword(); user.checkUserNamePassword(textBox4.Text, textBox3.Text, username, password); } catch (UserIsNotValidException ex) { MessageBox.Show(ex.Message); } finally { if (userLogged) { Analyse_page newAnalysePage = new Analyse_page(this); this.Visible = false; newAnalysePage.Visible = true; } } }