/// <summary>
/// clear the old data in sydb, then load new data from input file
/// </summary>
/// <param name="filefullname"></param>
public static void ReloadGlobalSydb(string filefullname)
{
GENERIC_SYSTEM_PARAMETERS sydbdata = FileLoader.Load <GENERIC_SYSTEM_PARAMETERS>(filefullname);
SyDB sydb = SyDB.GetInstance();
sydb.clear();
sydb.LoadData(sydbdata);
}