protected void SearchByMaintenaceClass()
{
MaintenanceCycleRepository reposittory = new MaintenanceCycleRepository();
IList<MaintenanceCycle> maintenanceCycles = reposittory.GetMuchByMaintenanceClass(int.Parse(ddlClass.SelectedValue));
rptCycle.DataSource = maintenanceCycles;
rptCycle.DataBind();
}
