Added PipingSoilLayerTable control which shows PipingSoilLayer properties based on a collection of layers. Made it possible to show a readonly checkbox column in a DataGridViewControl. Related to Issue [WTI-1071] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@7715 5a3db67b-de53-47b5-99c8-a1c30a6650e2