HI, I am really  happy to see those extra features in my favorite WPF grid. i would like to suggest foollowing thing to futher improve. Search Having Column selector so one can select word in particular column . Inbuild Filter (Filter From Hearder of Column : e.g Excel Like Filter) having more features like telerik ...

ok jenny was absolutely right, my above solution works, but it happens that some rows seem to dissapear ocasionaly,i think it's due loose of viewport or someth...anyway here's working example similar to what jenny was telling to do...it is done with filterRow, but the same way would work with groupByControl: 1.u need something where u will ...