Relation between Child and Parent Customers!
 Recently I had a task (Report) To filter on the customer and get the Data from the customer and the Data of the Parent Customers! The Invoice account in a customer is the Parent Customer.   Here is the code (in the process report)   public void processReport()  {      SalesLine salesLine;      LogisticsPostalAddress logisticsPostalAddress;      CustTable              custTable,custTable1,custTable2 ;      CustAccount             custAccount ;       ItemGroupId             itemGroupId ;      InventLocationId        inventLocationId,warehouse ;      CustInvoiceAccount      InvoiceAccount ;      InventTable             inventTable ;      InventDim               inventDim ;      S...