.net application architecture guidance -


i in confusion . please guide me.

see, have .net application (say web application). n-trier . 3-tier. usual. having presentation layer , business layer,data access layer. fetching records in data layer in dataset , data tables found sophisticated. when passing data data layer business layer have use there . because per thinking use of system.data in business layer not proper. may harms performance in case. should media transfer data between these 2 layers?

another question in same scenario , let have stored procedure in database having user information insertion functionality. want pass data presentation layer data later through business layer. correct way pass data vise versa between layers. may use user object. in architecture level if used user object pass data, need access user object in layers. should user object place in layers in application ?

question one: classes. create user class , return ilist<user> data layer business layer when reading users table.

question 2: use separate assembly/class library defines business objects.


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