7. Master detail trees

Master detail relation among trees

• TreeGrid supports also simple master / detail relation between trees.
  A row in master grid can have set its attribute

  Detail

  to id of detail grid where the rows children will be displayed.
  
• It is possible to display the row's children in the detail grid only, in the master grid only, or in both grids. It is controlled by DetailExpand Cfg attribute of master grid.
  
• In this relation there is no copying values by CopyTo, the structure of all the grids should be the same, the rows are displayed in one or more grids.
• It is possible to moving rows between grids or inside one grid or copy rows inside grid or add or delete rows in any grid.