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myio

11 months ago

in How to Create a Remote Paging Listview Using GWT-Ext on Adrian Smith's Blog
Thanks for the great tutorial. I want to use the Grouping Grid in my application. My data set is pretty large (around 7000 rows). This amount of data seems to be way too much to transmit/display all at once. I was trying to think of how I could use the model you have demonstrated with the tree-like functionality of the Grouping view. It seems like I have to split the work into at least two pieces: collecting and presenting data for the initial collapsed tree; and secondly collecting and presenting the data as each node in the tree is expanded.

Is there a better way? Can you recommend an approach? Is this even possible since the root/first level of the tree looks different from a data perspective (i.e. fewer columns than an expanded node showing record details).

Any advice would be appreciated.
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