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I have a application on ExtJs 3.4 and I need to create grid with ~30 000 rows. I see an example in sencha site. But there is use ExtJs 4.1. When I try do this with ExtJs 3.4 I get errors:
TypeError: Ext.require is not a function
TypeError: Ext.Loader is not a function
Can I do something like this using ExtJs 3.4? Or should I rewrite whole application on ExtJs 4.1?
As far as I know this is 4.1 feature only. In previous versions there was a product called LiveGrid but it may not have been free.