Hi Vinay,
Sorry for the delayed response. Here is one way to achieve this: get the selected filter value in the TableControlCurrentCellCloseDropDown event and accordingly filter it in the GroupingGrid2. Here is the sample which, demonstrates this functionality.
Also refer to our browser sample ( \\windows\Grid.Grouping.Windows\Samples\FilterBar\cs ) to get details on Filter Bar.
Let us know if this helps.
Best regards,
Madhan.
GGC_FilterCondition.zip