public string DutyAddUpdate(int CustomerId, string DutyStatus, string DutyON, string DutyOFF)
{
int obj;
using (var entities = new SedapExpressEntities())
{
obj = entities.DutyAddUpdate(CustomerId, DutyStatus, DutyON, DutyOFF);
}
return(JsonConvert.SerializeObject(obj));
}
