Required library edition:
Required library file: dhtmlxgrid_drag.js

switch to mode when draged item, droped in target location in same order as they was in source grid

• mode - true/false to enable/disable mode

   //enable drag order
   mygrid.enableDragOrder(true);
   //disable drag order
   mygrid.enableDragOrder(false);

See also: enableDragAndDrop, enableMercyDrag