}
list.setVisibleColumns(new Object[] {"Type Name"});
// A groupsres feltoltese a csoportokkal
groupnumberres = -1;
try {
GroupDAO grdao = df.getGroupDAO();
ArrayList<Group> groupArray;
groupArray = grdao.getAllGroups();
groupsres.addContainerProperty("Group ID", String.class, null);
groupsres.addContainerProperty("Group Name", String.class, null);
// list.setVisibleColumns(new Object[] { "Type Name" });
for (int i = 0; i < groupArray.size(); i++) {