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For some kinds of system - typically those which provide the same service to a number of different customer organisations - there may be a need to maintain multiple versions of some of the database tables, held within the same database server instance.
'''AJAX - Return Arrays and Structs to your JavaScript with XML'''
A typical example might be where the same database was to hold data for a number of customers, about their customers, but some of the tables would ideally be global - shared by all the customers.


('''[[Dynamic_Database_Switching|more...]]''')
The VDF AJAX Library provides the functionality for developers to call published methods within a WBO and receive a return value (for Functions). This is done using a Remote Method Invokation (RMI). Using RMI's for returning a single datatype is fairly straight-forward. If you want to return a Struct, Array , or an Array of Structs you need to do some more work. Remember, you are returning these datatypes to JavaScript and there is no direct translation from a Windows Struct or Array to a JavaScript Struct or Array.
 
..[[AJAX - Return Arrays and Structs to your JavaScript with XML|more]]

Latest revision as of 21:30, 20 November 2008

AJAX - Return Arrays and Structs to your JavaScript with XML

The VDF AJAX Library provides the functionality for developers to call published methods within a WBO and receive a return value (for Functions). This is done using a Remote Method Invokation (RMI). Using RMI's for returning a single datatype is fairly straight-forward. If you want to return a Struct, Array , or an Array of Structs you need to do some more work. Remember, you are returning these datatypes to JavaScript and there is no direct translation from a Windows Struct or Array to a JavaScript Struct or Array.

..more