Preserve existing selections on row click for CheckboxSelectionModel in grid
I am using CheckboxSelectionModel. After selecting some rows, clicking some other cell / row on the grid causes previously selected rows to be unselected.I know there is a checkOnly config option is available but that is only in in ExtJs 3.x versions. Can anyone please let me know how can I achieve this in ExtJs 2.x version ? \
I referred to checkOnly property's source code and found below code, will it work, please suggest.
Thanks in advance.
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