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ASP.NET MVC Storefront Part 4: Linq To Sql Spike

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Rob creates a "spike" - a bit of functionality to test a thought or inspiration - to make sure that Linq To Sql will work for my data access pattern.

Presented by Rob Conery

Duration: 14 minutes, 16 seconds

Date: 27 May 2008

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Comments : 3

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jmoviedo : On November 26, 2008 10:53 PM said:

I have a question (I'm VB.Net guy), in the

SQLCatalogRespository class, what does this line means?:

ParentID = c.ParentID ?? 0

The question is what is "??" for?

Thanks
jbaird-pa : On November 27, 2008 4:15 PM said:

Imoviedo:

The ?? is equivalent to an ISNULL.  Therefore if c.ParentId is null return 0.
padcom : On February 04, 2009 2:28 PM said:

Hi,

that thing with new Product in LINQ and the mapping the LINQ result to a self-defined class really rocks! I didn't know you can do that :D

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