Microsoft LINQ Books

agosto 2008 - Posts

• LINQ to SQL and the procedure cache of SQL Server

  I just received a mail from Adam Machanic that pointed me to this bug (I would call it a performance issue) about the construction of SQL statements generated by the LINQ to SQL engine. The issue: every string passed as a constant in the query will be Read More... Posted giovedì 28 agosto 2008 11.14 by Marco.Russo | 1 Comments

• IQueryable under the cover

  In the Programming Microsoft LINQ book we dedicated two whole chapters (76 pages) about the writing of a IQueryable LINQ provider: one is about expression trees and the other covers the several ways to extend LINQ, including the writing of an IQueryable Read More... Posted domenica 17 agosto 2008 20.07 by Marco.Russo | 0 Comments

• Important LINQ Changes in .NET 3.5 SP1

  Dinesh Kulkarni wrote an important post about changes in LINQ introduced by .NET 3.5 SP1 that has been released yesterday. One of the interesting changes is in the Cast<T> operator and its behavior is better described in this post by Ed Maurer. Read More... Posted martedì 12 agosto 2008 18.55 by Marco.Russo | 0 Comments

• Dangerous use of ArrayList in Lambda Expressions

  I have just validated this bug posted on Connect. It seems a compiler issue, I'd like to read a Microsoft answer about this. However, the general issue is that using ArrayList in a lambda expression with a collection initializer could be dangerous. There Read More... Posted venerdì 1 agosto 2008 21.53 by Marco.Russo | 0 Comments