19-20 November, 2008 | Copenhagen

NAV05 Ilana Smith Program Manager Microsoft Corporation

“Web services provide a standard means of interoperating between different software applications, running on a variety of platforms and/or frameworks” The World Wide Web Consortium (W3C )

●Leverage Industry Standard ●Leverage Existing Functionality ● Less development ● Faster development ● Cheaper development ●Leverage Developer Skills Sets ●Leverage Strategic Direction

Service Tier Web Services Client Services ApplicationApplication Meta data provider Class Library Client Tier Microsoft SQL Server Form Builder Data Binder Role Tailored Client Database Tier

●No new concepts; No new objects ● Pages and Codeunits are potential Web Services ●No replication of functionality ●Same ● Data ● Business Logic ● Security ● Validation

●High level abstraction ●Many provided features ● Default methods ● Optimistic Concurrency ● Triggers and validation ●All table-backed Pages supported ● Includes Pages with Sub-Pages (lines)

●Low level abstraction ●Provides targeted service or logic ●Limitations ● Simple types ● XMLPorts ●Considerations ● Concurrency ● Security

●Codeunit methods can extend page methods ●Each method’s first parameter of type matching Page’s table ●Register Codeunit under same name as Page Do not publish

PROCEDURE : Record 18); BEGIN Cust.Name := UPPERCASE(Cust.Name); Cust.MODIFY(TRUE); END;

●Security ● Windows integrated ● Access control consistent with client ●Transactions ● Per message/method

●Considerations ● Re-Use or Clone? ● UI management ● Errors thrown as exceptions

RoleTailored Client Classic Client Web Services GUIAllOWEDISSERVICETIER Pages: CurrFieldNo <> 0 (Not preferred)

●Putting Data into NAV ●Pulling Data out of NAV ●Running NAV business logic

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