Required library edition:
Required library file: dhtmlxgrid.js

sets the horizontal alignment in the cell

• value - (string) the horizontal alignment.
  Possible values:
  • 'r' or 'right' - the right alignment
  • 'l' or 'left' - the left alignment
  • 'c' or 'center' - the center alignment

mygrid.cells("row1",1).setHorAlign('r');

See also: getHorAlign