private Grid<UserData> createGrid() { IdentityValueProvider<UserData> identityValueProvider = new IdentityValueProvider<UserData>("sm"); CheckBoxSelectionModel<UserData> selectionModel = new CheckBoxSelectionModel<UserData>(identityValueProvider); selectionModel.setSelectionMode(Style.SelectionMode.MULTI); List<ColumnConfig<UserData, ?>> columnConfigList = new ArrayList<ColumnConfig<UserData, ?>>(); columnConfigList.add(selectionModel.getColumn()); columnConfigList.add(new ColumnConfig<UserData, Long>(userProperties.id(), 20, "ID")); columnConfigList.add( new ColumnConfig<UserData, String>(userProperties.username(), 100, "Username")); columnConfigList.add( new ColumnConfig<UserData, String>(userProperties.firstName(), 100, "First Name")); columnConfigList.add( new ColumnConfig<UserData, String>(userProperties.lastName(), 100, "Last Name")); columnConfigList.add(new ColumnConfig<UserData, String>(userProperties.email(), 100, "Email")); // columnConfigList.add(new ColumnConfig<UserData, UserRoleTypes>(userProperties.role(), 100, // "Role")); ColumnModel<UserData> columnModel = new ColumnModel<UserData>(columnConfigList); ListStore<UserData> store = new ListStore<UserData>(userProperties.key()); Grid<UserData> userDataGrid = new Grid<UserData>(store, columnModel); userDataGrid.setLoadMask(true); userDataGrid.setHideHeaders(false); userDataGrid.getView().setAutoFill(true); userDataGrid.setSelectionModel(selectionModel); return userDataGrid; }