public bool Delete(pos.EL.Registrations.products productEL)
 {
     return(Helper.executeNonQueryBool("DELETE FROM products WHERE productid = '" + productEL.Productid + "' "));
 }
 public bool Update(pos.EL.Registrations.products productEL)
 {
     return(Helper.executeNonQueryBool("UPDATE products set productcode = '" + productEL.Productcode + "', productname = '" + productEL.Productname + "', price = '" + productEL.Price + "', stock = '" + productEL.Stock + "' WHERE productid = '" + productEL.Productid + "' "));
 }
 public long Insert(pos.EL.Registrations.products productEL)
 {
     return(Helper.executeNonQueryLong("INSERT INTO products (productcode, productname, price, stock) VALUES ('" + productEL.Productcode + "', '" + productEL.Productname + "', '" + productEL.Price + "', '" + productEL.Stock + "')"));
 }
 public bool Delete(pos.EL.Registrations.products productEL)
 {
     return(productDL.Delete(productEL));
 }
 public bool Update(pos.EL.Registrations.products productEL)
 {
     return(productDL.Update(productEL));
 }
 public long Insert(pos.EL.Registrations.products productEL)
 {
     return(productDL.Insert(productEL));
 }