FYI, LINQ does handle

honeymonster — Sun, 10 Feb 2008 23:23:36 -0500

FYI, LINQ does handle groupings and even complex query building naturally. There is both a SQL-like syntax and a methods-based syntax. The first is actually just a shorthand for the latter:

var q = from c in db.Customers where c.City=="London" group c by c.ZipCode

is equivalent to

var q = db.Customers.Where(c => c.City=="London").GroupBy(c => c.ZipCode)

Both will return a list of "groups" each with a Key property holding the zipcode. The individual customers for each zipcode can be accessed by enumerating over the group (it's an enumeration of "Customers"). I don't see any complex workarounds. Also (when performed against the database) it will retrieve all of the customers from London at once (building a query with a where clause) and perform the grouping on this set. Can you explain how this could possibly perform better?

You also misunderstand type inference. C# is still very much a statically typed language. When the compiler encounters var s = "Hello World"; it simply infers that the type of s is string just as if you had written string s = "hello World";

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FYI, LINQ does handle