Thank you Y2i, Your messages are greatly help to me But there is an another problem stuck in... updataRowCount() and updataRowData should work with hasData, but cellTree doesnt implement it, so my requestion is, as to cellTree, how do both functions above work?
On 2010年12月30日, 下午12时39分, Y2i <yur...@gmail.com> wrote: > It can be populated dynamically. Please take a look at this post: > > http://groups.google.com/group/google-web-toolkit/msg/6a8f18668f046cc6 > > When the data provider receives results back it needs to populate > itself by calling > > updateRowCount() > updateRowData() > > On Dec 29, 7:12 pm, yeti <superi...@gmail.com> wrote: > > > > > > > > > Hi , > > > I wonder if celltree can be built dynamically... getNodeInfo is > > synchronous, so how to work with a asynchronous, that is , get node > > info via a request? > > > Someone said, > > > "pass a ListDataProvider or AsyncDataProvider into DefaultNodeInfo. > > Then you can return the NodeInfo synchronously, but populate the data > > provider asynchronously. " > > > Is it right when I return defaultNodeinfo , it will wait me to > > populate the dataprovider? > > > if not, could anyone show me more details? > > > thanks in advance -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
