Presentation - UI
Business - business rules but no tight coupling to Database Software
DataAccess - just gets DBMS stuff to business and/or UI. Internally
very tightly coupled to Database software.
On 7/1/05, Arindam <[EMAIL PROTECTED]> wrote:
>
> Hey Champs,
> can anyone explain me what all things i should consider
> while designing a N-tier architecture.
>
>
> like for example i have the folowing step from Datasource to
> Presentation layer
>
> how do differentiate the functionality between Dataaccess Layer and
> Businesslogic Layer
>
> Please have a look at following
>
>
>
> SQL Data source
> ||
> ||
> ||
> this function is written in Dataaccess Layer
> +++++++++++++++++++++++++++++++++++++++++++++
> public DataTable GetMyHotels(string UID)
> {
> DataTable objDT=new DataTable("Dt_HotelList");
>
> return objDT;
> }
> ||
> ||
> ||
> ||
> this function is written in Businesslogic Layer
> +++++++++++++++++++++++++++++++++++++++++++++
> public DataView GetHotelList(string UserID)
> {
> DataTable DT=objHotel.GetMyHotels(UserID);
>
> DataView DV= new DataView(DT);
> return DV;
> }
> ||
> ||
> ||
> ||
> Presentation layer
>
>
>
> Thanks & Regards
>
> Arindam
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