In order to use checklist filtering you need to handle the OnFilterCheckListItemsRequested
event. Note that it is fired for GridColumns where the FilterCheckListEnableLoadOnDemand
property is set to true
. Additionally, you need to ensure that the FilterType
property for RadGrid
is set to Combined
If you would like more information on CheckList Filtering you would find the following article interesting:
I am attaching a sample project where the approach is illustrated for one of the columns. Try using similar approach and you should be able to achieve the behavior you are looking for.
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