RadGrid filtering issue when RenderMode is set to Mobile and the grid is bind on the client See the movie below: https://drive.google.com/file/d/0Bzhl0S7bXwuyYlZ1akFwdHZvWDg/view This can be replicated in the online demo below when edit mode is set to Mobile: http://demos.telerik.com/aspnet-ajax/grid/examples/data-binding/client-side/declarative/defaultcs.aspx