void IService1.DeleteBoss(int bossID) // DeleteBoss
 {
     try
     {
         using (VinylRecordsShopEntities context = new VinylRecordsShopEntities())
         {
             tblBoss bossToDelete = (from r in context.tblBosses where r.BossID == bossID select r).First();
             context.tblBosses.Remove(bossToDelete);
             context.SaveChanges();
         }
     }
     catch (Exception ex)
     {
         System.Diagnostics.Debug.WriteLine("Exception" + ex.Message.ToString());
     }
 }
 // ADD , EDIT I DELETE ZA BOSS
 vwBoss IService1.AddBoss(vwBoss boss) // AddBoss
 {
     try
     {
         using (VinylRecordsShopEntities context = new VinylRecordsShopEntities())
         {
             if (boss.BossID == 0)
             {   // ZA ADD
                 tblBoss newBoss = new tblBoss();
                 newBoss.OfficeID       = boss.OfficeID;
                 newBoss.BossName       = boss.BossName;
                 newBoss.BossLastName   = boss.BossLastName;
                 newBoss.BirthDate      = boss.BirthDate;
                 newBoss.Address        = boss.Address;
                 newBoss.City           = boss.City;
                 newBoss.Mobile         = boss.Mobile;
                 newBoss.JobDescritions = boss.JobDescritions;
                 context.tblBosses.Add(newBoss);
                 context.SaveChanges();
                 boss.BossID = newBoss.BossID;
                 return(boss);
             }
             else
             {   // ZA EDIT
                 tblBoss bossToEdit = (from r in context.tblBosses where r.BossID == boss.BossID select r).First();
                 bossToEdit.OfficeID       = boss.OfficeID;
                 bossToEdit.BossName       = boss.BossName;
                 bossToEdit.BossLastName   = boss.BossLastName;
                 bossToEdit.BirthDate      = boss.BirthDate;
                 bossToEdit.Address        = boss.Address;
                 bossToEdit.City           = boss.City;
                 bossToEdit.Mobile         = boss.Mobile;
                 bossToEdit.JobDescritions = boss.JobDescritions;
                 //bossToEdit.BossID = boss.BossID;
                 context.Entry(bossToEdit).State = EntityState.Modified;
                 context.SaveChanges();
                 return(boss);
             }
         }
     }
     catch (Exception ex)
     {
         System.Diagnostics.Debug.WriteLine("Exception" + ex.Message.ToString());
         return(null);
     }
 }