if( !isColumnBindingExist(map.get( level ).toString( ) )) { throw new DataException( ResourceConstants.COLUMN_BINDING_NOT_EXIST, map.get( level ).toString( )); }
	private void checkGroupNameValidation( ) throws DataException	{		HashMap map = this.getGroupKeys( );		Iterator it = map.keySet( ).iterator( );		while ( it.hasNext( ) )		{			Integer level = (Integer)it.next( );			exprManager.setEntryGroupLevel( level.intValue( ) );						if(!ExpressionCompilerUtil.hasColumnRow( map.get( level ).toString( ), exprManager ))			{				exprManager.setEntryGroupLevel( ExprManager.OVERALL_GROUP );				throw new DataException( ResourceConstants.INVALID_GROUP_KEY, new Object[]{ map.get( level ).toString( ), level});			}		}		exprManager.setEntryGroupLevel( ExprManager.OVERALL_GROUP );	}