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New Message on BDOTNET
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From: LovedJohnySmith
Message 4 in Discussion
Deepak: I would like to recommend a two ways to achive your scenario. i)
You can achive exception handling using EMAB(Exception Management Application
Block) for more details on microsoft's pattern & practices' paper 'Exception
Management in .NET'.
Download it from this location:
www.msdn.microsoft.com/library/ en-us/dnbda/html/exceptdotnet.asp
Download it from this location:
www.microsoft.com/downloads/
details.aspx?FamilyID=8ca8eb6e-6f4a-43df-adeb-8f22ca173e02&DisplayLang=en ii)
This is one way of handling exceptions in different layers:
Data Layer: Place your code in try block in all functions. Dont provide
catch block.
Provide only finally block for cleanup code, so that errors will propagate to
the next layer (business layer)
Business Layer: Place the code in try block in all functions.
Throw any business specific user defined exceptions in try block.
Provide catch block. Translate any system exceptions to User defined exception
and throw that exception to the next layer (UI Layer)
UI Layer(ASP.NET): Place your code in try block in all functions. Dont
provide catch block. Provide only finally block for cleanup code,
so that errors will propagate to Application_Error Event.
Log the Errors here usually in windows event log and redirect the user to
common error page. Thanx, Smith
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