Required library edition:
Required library file: dhtmlxgrid.js

sort grid

• col - index of column, by which grid need to be sorted
• type - sorting type (str,int,date), optional, by default sorting type taken from column setting
• order - sorting order (asc,des), optional, by default sorting order based on previous sorting operation

   //sort first column in grid
   mygrid.sortRows(0);
   //sort first column in grid by "str" type in "des" order
   mygrid.sortRows(0,"str","des");

See also: enableStableSorting, setCustomSorting, setSortImgState