//Update Note
 public int UpdateDetails(PromotionDB noteDB)
 {
     lock (locker)
     {
         return(sqlcon.Update(noteDB));
     }
 }
 //Insert Note
 public int InsertDetails(PromotionDB notesDB)
 {
     lock (locker)
     {
         return(sqlcon.Insert(notesDB));
     }
 }