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WebORB Data Management for Flex (WDMF)

The videos are meant to assist you with getting up to speed with WDMF. We recommend watching the videos in the same order they are listed on this page. The sample application discussed in the videos is available in the latest WebORB for .NET product distribution (4.1.0.0 or later). If you have any questions, comments or suggestions please post them to the WDMF discussion forum.

Sample WDMF Application Overview

The video demonstrates a sample application built using WDMF. The application showcases the following WDMF APIs:

  • Data binding
  • Paging
  • Data retrieval, creation, deletion and update (CRUD)
  • Client synchronization
  • Monitoring object changes (IsDirty)
  • Lazy retrieval of related data

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Using the WDMF Code Generator

The WDMF code generator is the most important component of the system. It is very powerful, yet easy to use. The video demonstrates the following:

  • Connecting to a database
  • Creating data model
  • Generating all the ActionScript and C# code used by the sample application.
  • Creating a Flex Builder project and importing all the generated code

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WDMF API Overview - Part 1

The first part of the two videos reviews the following:

  •  ActiveRecord pattern implemented in WDMF
  • Retrieving data using custom dynamic functions
  • Loading query results
  • Using WDMF to create new records

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WDMF API Overview - Part 2

The second part of the video explores the following topics:

  • Using findAll() to load all records from a table
  • Using data paging
  • Binding UI controls to the loaded data
  • Using the findOrCreate function
  • Fetching related data

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