public void validateStaff() { OleDbConnection dataConnection = new OleDbConnection(); DataTable dt = new DataTable(); dataConnection.ConnectionString = dataConnection.ConnectionString = (@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=..\..\..\database\\database.accdb"); string sql = "SELECT LAST(StaffID)FROM Registration"; OleDbDataAdapter adapt = new OleDbDataAdapter(sql, dataConnection); adapt.Fill(dt); string StaffID = dt.Rows[0][0].ToString(); if (StaffID == "") { MessageBoxResult linkoLogIn = MessageBox.Show("No staff on call. Please log in to proceed!", "Error", MessageBoxButton.OKCancel, MessageBoxImage.Error); if (linkoLogIn == MessageBoxResult.OK) { Employee_login loginScreen = new Employee_login(); loginScreen.Show(); } } else { BedsideMonitoringStation mainInterface = new BedsideMonitoringStation(); mainInterface.Show(); } }
private void btnCentralStation_Click(object sender, RoutedEventArgs e) { Employee_login loginScreen = new Employee_login(); loginScreen.Show(); }