how to get value in a cell in dhtmlgrid

how i will get value of each cell ?

The most simplest way is to use cell.getValue() method.
for (i=0; i<grid.getRowsNum; i++){
   for (j=0; j<grid.getColsNum; j++){
        alert(grid.cellByIndex(i,j).getValue());
   }
}
More information about eXcells API you can find here dhtmlx.com/docs/products/dhtmlxG … excellsapi