D365fo Technical Bank

 🔥 Sales Order Technical Flow in D365FO (Creation → Confirmation → Picking → Packing Slip → Invoice → Accounting) 1. Sales Order Creation Tables SalesTable → SO header SalesLine → SO lines CustTable → Customer master InventDim / InventDimCombination → Dimensions InventTable / EcoResProduct → Item master Framework Classes SalesTableType / SalesLineType Responsible for validation, defaulting, creation logic Key Methods SalesTable.initValue() SalesLine.initFromSalesTable() SalesTable.validateWrite() SalesLine.validateWrite() Events (Extensions) SalesTableType.createSalesTable() SalesLineType.createSalesLine() 2. Reservation (Optional) If reservation is done: Tables InventTrans (Reservation status) InventReservation Classes InventUpd_Reservation InventTransReservation Reservations impact picking and inventory availability. 3. Sales Order Confirmation Confirms order and freezes price/quantity. Posti...

  Purchase Order Technical Flow in D365FO (Step-by-Step) (From creation → approval workflow → posting → product receipt → invoice → accounting) 1. Purchase Order Creation Tables involved PurchTable → PO header PurchLine → PO lines VendTable → Vendor master InventDim / InventDimCombination → Item dimensions EcoResProduct / InventTable → Item master Classes / Framework PurchTableType / PurchLineType Framework that controls creation, validation, defaulting. Key methods PurchTable.initValue() PurchLine.initFromPurchTable() PurchTable.validateWrite() PurchLine.validateWrite() Events (Extension points) PurchTableType.createPurchTable() PurchLineType.createPurchLine() 2. Purchase Order Confirmation Document Status update PurchTable.DocumentState → Confirmation PurchParmBuffer tables used for versioning. Posting Class PurchFormLetter_Confirm Called internally via PurchFormLetter::construct(DocumentStatus::Co...

  SECTION 1 — X++ BASICS (10 Q&A) 1. What is X++? A proprietary object-oriented language used in Dynamics 365 Finance & Operations for business logic, similar to C# but integrated with D365 runtime. 2. What is a TableBuffer? It is an in-memory object referencing a table. Example: CustTable custTable; 3. What is difference between select and select firstonly ? select → returns all matching rows firstonly → returns only the first matched row 4. What is ttsbegin & ttscommit ? Used to wrap database transactions; ensures atomicity. 5. Can we write SQL queries directly in X++? No. X++ uses a database-abstracted select statement. 6. What is a container? A collection datatype used to store mixed data types. 7. Difference between container and map? Map stores key-value pairs; container is indexed and immutable. 8. What is a temp table? A table that stores data temporarily in memory or database depending on property. 9. What is recursion in X++? A method c...