protected override void OnAfterRender(bool firstRender) { try { //Function to check if XML file exists or not if it does exist load data into customers list if it does not exist create the document CustomerDatabase.LoadCustomerData(Configuration.CustomerFileLocation); //Function to see if Lash Data config file exists TreatmentDatabase.LoadLashData(Configuration.LashFileLocation, TreatmentDatabase.Treatments); } catch (Exception e) { Logger.Log("Intialisation: " + e.Message + e.StackTrace); } if (firstRender) { // Do work to load page data and set properties } }