private void refreshChairEquipmentID()
{
Program.frmClassRoom.resetClassRoomState();
//有设备绑定的座位显示出绑定设备的ID
List <equipmentPosition> list = MemoryTable.getAllEquipmentConfigMapInfo();
foreach (equipmentPosition ep in list)
{
Program.frmClassRoom.changeChairState(ep.group, ep.formatedPosition(), ep.equipmentID);
}
Program.frmClassRoom.Refresh();
//Program.frmClassRoom.Show();
}