i have collected supplier ids in a list called
List<long> lstSupplierIDs = Products.GetSupplierIDsByProductID(lgProductId);
have a supplier gridview with supplier id as row id
trying to remove rows that contains supplier ids that in the lstSupplierIDs first
and then add the existing suppliers in the lstSupplierIDs on TOP rows of the gridview which order by 'datemodified' and have them checkbox checked.
not sure how to use datarow add with the specification above.