It is possible to add removeAll method to DataSource, using large data it is very slow to remove each record by primary key...
Tanks, very mutch
Tanks, very mutch
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I recently was working on a problem that I needed this functionality. I ended up having to Hasbro some code together to clear my data-source. I essentially needed one data source( behind a form) to only have one record in it at a time and another related data source(for a grid) had some child records that needed to be cleared when the user was done with the record in the form. The data didn't need to be cleared on the server side so no RPC call was necessary.
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