11.0en:Tooltip groupingOptionsBookingList

When 'Nested sorting' is checked you can sort on 2 columns simultaneously. You will get a primary sorting on the first selected column and a secondary sorting on the second selected column. Click at the top on the arrow on the right hand side of the first column and then do the same for the second column. When you hover over the column with the mouse The numbers 1 en 2 appear in order to show which is the primary and which is the secondary column. <a href='http://support.bitbybit-is.nl/wiki/{namespace}:WebView_Bookinglist#Nested_sorting' target='_blank'>More...</a>