i updated my grid control from 2.5 to 3.2 version, when it is done. error happened with my application which is correct with 2.5 version grid   the error code is below: ...\Source\Main Application\Lib\Xceed.Grid.dll Referenced class 'Xceed.Grid.Collections.CellList' has base class or interface 'Xceed.Utils.Collections.ListBase' defined in ...