Required library edition:
Required library file: dhtmlxgrid.js

sets id to every column. Can be used then to retreive the index of the desired colum

• ids - comma delimitered list of ids or empty if to use values set earlier

   mygrid.setColumnIds("sales,book,author,price,store,shipping,best,date");

See also: setColumnIds, enableCellIds, getColumnId, getColIndexById