I would like to create a ListGrid where the user can add columns to define some values row per column, just like an excel sheet. Adding values vertically should be as simple as vertically. I'm pretty new in web developing and I count on more experienced friends. I'm using SmartGWT together with grails framework so I don't need SmartGWT server since it costs a lot of money. So the type of datasource I'm using is RestDataSource. But there is the limitation that it cannot be modified dynamically.
As I searched the web for a solution, I saw that the smartGWT EE can do things such as providing xml datasource, which can be modified per request. Does someone have a clue how to achieve this effect without using commercial solutions like smartgwt server? I can even change the technology in the project just to get this done.
