else
else if ( columnIndex == 2 )
		public String getColumnText( Object element, int columnIndex )		{			String text = null;			ParamBinding parameterBinding = ( (ParamBinding) element );			if ( parameterBinding != dummyParameterBinding )			{				if ( columnIndex == 0 )				{					text = parameterBinding.getParamName( );				}				else				{					text = parameterBinding.getExpression( );				}			}			if ( text == null )			{				text = ""; //$NON-NLS-1$			}			return text;		}