How to develop and use loadvars—A foundational class of FLASH in RIA

What is the tendency of future software? From the view of Microsoft Long Horn, there will be no C/S or B/S in framework and C/S will be B/S. The growing tendency of view is that FLASH and FLASH PLAYER is the best tool which can realize the concept of Long Horn. However, if FLASH wants to make a change from catoon design tool into RIA exploder tool, it must be combined with database. So, a foundational class-loadVars must be used in daily programming. But, it´s a pity that this class which provided by MacroMedia is not so good that can satisfy all the situation. In the following words, I will expatiate how to develop and use the updated class in practice.