You can achieve this by adding filter template to GridBoundColumn/ GridTemplate column. The following documentation give more idea on this. Filter template
I have query in customizing the Grid FilterColumn. Can we have a combobox for filtering the Grid and a Button on the Filter column to clear the filters for the Grid? how ? any examples in the telerik site.
Venkatesh, examine the implementation for the 'clear filters' button residing in the first column header of the second grid in the demo Princy pointed. You can have the button reset all filters as shown there or do that on a per-column basis by erasing the filter function and filter value for a given column only (you can identify the column by its UniqueName value).