var
 grid 
=
 .....;

var
 store 
=
 grid.store;

var
 rowCount 
=
 store.getCount(); 
//
記錄數

var
 cm 
=
 grid.getColumnModel();

var
 colCount 
=
 cm.getColumnCount(); 
//
列數

var
 view 
=
 grid.getView();

for
(i
=
0
;i
<
rowCount;i
++
){

for
(j
=
0
;j
<
colCount;j
++
){

var
 cell 
=
 view.getCell(i,j);

    alert(cell.innerHTML);
 

//
第i行j列的資料

  }

}