如何在GridView的RowDeleting事件中获得当前行的DataKey值

    //删除店铺之前，先把相关的分类数据从数据库中删除
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        int dietStoreID = Convert.ToInt32(e.Keys[0]);
        DietStoreClassDetails.DeleteDietStoreClass(dietStoreID);
    }