onCellClick: lang.hitch(this, function(event){						//单元格单击事件	var grid = dijit.byId("__geodisa_grid");	var rowIndex = event.rowIndex;	//如果已有选择的行则取消改行选中状态	if (grid.selection.selectedIndex >= 0) {		grid.selection.setSelected(grid.selection.selectedIndex, false);	}	//选择当前点击的行	grid.selection.setSelected(rowIndex,true);}