new GUI programming mode

Hi

a friend of mine shocked me sending this

http://www.esnips.com/nsdoc/c1f0b2b7-0660-4485-9842-756bc0355228

I was deploying a standard GUI apps to handle a ebook store but now I wonder if I should use this method to that allows clercks to perform advanced query on DB.

Has someone never used this methods?

Thanks

[351 byte] By [magaracjoea] at [2007-11-27 10:05:13]