Data Entry System Accounting - WEB-ASP-SQL2008

We have advanced 80%, but we want to finish and do other 2 very similar. Advanced: Shopping, missing Data Entry: Sales and Service. All are made starting with the first. Records are made ​​directly on the following tables: CON_VoucherCabeceraDetalle CON_VoucherDetalle Once posted, go to update the tables CON_Mayor CON_Saldos Form Processing: It must design a form for each type of input data, to show the accounts pupup generated. In the first data is input header and detail. Contains header, which is fixed with most data coming from reading the table CON_ParametrosOperaciones (header). Part of detail, as if they were manually entered lines. After these lines are broken down into accounts, but within the system and are recorded in Tables of Details. These are just entering the popup if (Accounts). Will be in the bottom lines that are entering, which must be viewed with a listbox. We source the project. Architecture: SOA - WCF - N Layers - Oriented Services, Microsoft Visual Studio 2010 v Framework: 4.0, ASP.Net, C #, MS-SQL 2008 R2, Data Access: Enterprise Library, DevExpress 10.2.5 (not idispensable) and / or dynamic [login to view URL] para ingreso de datos Contables.