Transactions in Typed DataSets
问题 Have a typed dataset with several related tables, and relations defined between those tables. As I process a datafeed, I'm adding, modifying, and removing records, then calling update on each table. Requests Reapprovals UserRole RequestId ----- RequestId ----- RoleId Reason RoleId ----/ UserId The reason for using a typed dataset is that I have to check existing data to determine whether I'm adding, modifying, or removing records... so I need the full dump of everything I'm working with (the