public bool SalesTerritoryHistoryDelete(SalesTerritoryHistory salesterritoryhistory)
        {
            return Execute<bool>(dal =>
            {
                SalesTerritoryHistory salesterritoryhistoryDelete = dal.SalesTerritoryHistory.Where(x => x.BusinessEntityID == salesterritoryhistory.BusinessEntityID).FirstOrDefault();
                if (salesterritoryhistoryDelete != null)
                {
                    dal.SalesTerritoryHistory.DeleteOnSubmit(salesterritoryhistoryDelete);
                    dal.SubmitChanges();
                    return true;
                }
                return false;

            });
        }
        public bool SalesTerritoryHistoryUpdate(SalesTerritoryHistory salesterritoryhistory)
        {
            return Execute<bool>(dal =>
            {
                SalesTerritoryHistory salesterritoryhistoryUpdate = dal.SalesTerritoryHistory.Where(x => x.BusinessEntityID == salesterritoryhistory.BusinessEntityID).FirstOrDefault();
                if (salesterritoryhistoryUpdate != null)
                {
                    salesterritoryhistoryUpdate.BusinessEntityID = salesterritoryhistory.BusinessEntityID;
                    salesterritoryhistoryUpdate.TerritoryID = salesterritoryhistory.TerritoryID;
                    salesterritoryhistoryUpdate.StartDate = salesterritoryhistory.StartDate;
                    salesterritoryhistoryUpdate.EndDate = salesterritoryhistory.EndDate;
                    salesterritoryhistoryUpdate.rowguid = salesterritoryhistory.rowguid;
                    salesterritoryhistoryUpdate.ModifiedDate = salesterritoryhistory.ModifiedDate;

                    dal.SubmitChanges();
                    return true;
                }
                return false;

            });
        }
 partial void DeleteSalesTerritoryHistory(SalesTerritoryHistory instance);
 partial void UpdateSalesTerritoryHistory(SalesTerritoryHistory instance);
 partial void InsertSalesTerritoryHistory(SalesTerritoryHistory instance);
		private void detach_SalesTerritoryHistories(SalesTerritoryHistory entity)
		{
			this.SendPropertyChanging();
			entity.SalesTerritory = null;
		}
		private void attach_SalesTerritoryHistories(SalesTerritoryHistory entity)
		{
			this.SendPropertyChanging();
			entity.SalesPerson = this;
		}
 public void SalesTerritoryHistoryUpdate(SalesTerritoryHistory salesterritoryhistory)
 {
     adventureWorks_BC.SalesTerritoryHistoryUpdate(salesterritoryhistory);
 }