protected void deviceGrid_DeleteCommand(object sender, Telerik.Web.UI.GridCommandEventArgs e)
{
_device = new Device();
_device.ID = int.Parse(
(e.Item as GridDataItem)
.OwnerTableView
.DataKeyValues[e.Item.ItemIndex]["device_id"]
.ToString());
_device.LastChangedBy = User.Identity.Name;
int returnResult = _deviceDAO.Delete(_device);
BindData();
}