private void BackToMenu(object sender, RoutedEventArgs e) { string login = string.Empty; StreamReader streamReader = new StreamReader("UserLogin.txt"); login = streamReader.ReadLine(); streamReader.Close(); string mySelectQuery = "SELECT * FROM Users WHERE [UserLogin] = '" + login + "'"; using (SqlDataAdapter dataAdapter = new SqlDataAdapter(mySelectQuery, connectionString)) { DataTable table = new DataTable(); dataAdapter.Fill(table); if (table.Rows.Count > 0) { MainMenuEmployee mainMenuEmployee = new MainMenuEmployee(); mainMenuEmployee.Show(); this.Close(); } else if (table.Rows.Count == 0) { MainMenuGuest mainMenuGuest = new MainMenuGuest(); mainMenuGuest.Show(); this.Close(); } } }
private void Guest_Click(object sender, RoutedEventArgs e) { StreamWriter loginStreamWriter = new StreamWriter("UserLogin.txt"); loginStreamWriter.Write(""); loginStreamWriter.Close(); MainMenuGuest mainMenu = new MainMenuGuest(); this.Close(); mainMenu.Show(); }