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Stuart Leeks

Stuart Leeks - Application Development Consultant

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  • Blog Post: Get the Most out of WebGrid in ASP.NET MVC

    My first MSDN Magazine article is up: Get the Most out of WebGrid in ASP.NET MVC . So, if you want to find out how to make the WebGrid component from WebMatrix fit in with ASP.NET MVC then take a peek…. http://msdn.microsoft.com/en-us/magazine/hh288075.aspx . Thanks to Carl Nolan and Simon...
  • Blog Post: Cheating at Scrabble with LINQ to Objects

    I read an interesting post on Eric Lippert’s blog recently where he was using LINQ to Objects to find possible words from a set of letters in Scrabble (he wasn’t actually cheating – that just makes for a more interesting title!). Eric made a great follow-up post that highlights the need for both defining...
  • Blog Post: Creating database connections with Unity – part 2

    Last time we looked at how to set up the configuration file so that Unity would wire up an object that took an IDbConnection parameter in its constructor. Whilst the solution works, it is easy for the various connection strings to become buried away in the Unity configuration. Also, the application configuration...
  • Blog Post: Creating database connections with Unity

    I was adding dependency injection to an existing project and opted to use Unity configured via the application configuration file. As I was running through the configuration, I hit a type that required a  database connection which it took in as an IDbConnection reference in the constructor so I...
  • Blog Post: DataServiceQuery<T>.Expand

    ADO.Net Data Services allows you to expose your LINQ To Entities model (or LINQ To SQL model, or even your custom IQueryable model) via a REST ful API with minimal coding. For example, if you’re working with the Northwind database you can use the URL http://server/Service.svc/Customers(‘ALFKI’...
  • Blog Post: Improving ObjectQuery<T>.Include

    ** UPDATE: There’s a bug in the code below – see this post for the update! One of the great features of LINQ To SQL and LINQ To Entities is that the queries you write are checked by the compiler, which eliminates typing errors in your query. Unfortunately, the ObjectQuery<T>.Include function...
  • Blog Post: A closer look at yield – part 3

    This was only going to be two posts, but after my last post I’d been mulling over a post that looks at the compiler generated code in a more general way. Whilst catching up on blogs posts this morning I saw that Raymond Chen has written a blog post entitled ‘ The implementation of iterators in C# and...
  • Blog Post: A closer look at yield – part 2

    In part 1 , we took a quick tour of the yield keyword. In this post we’re going to have a look at the code that the compiler generates for us when we use yield. We’ll return to the first example from last time and insert a Console.WriteLine before the yield return statement: private static readonly...
  • Blog Post: Using let in LINQ to Objects – Part 3

    This is a follow-up to my two previous posts on the let keyword Using let in LINQ to Objects Using let in LINQ to Objects – Part 2 The real reason for this post is to link to a great post that K.Scott Allen has just published : Optimizing LINQ Queries . In his post, he shows an example where...
  • Blog Post: A closer look at yield

    The yield keyword in C# is pretty powerful and expressive, but it doesn’t seem to be very widely known about. In this post we’ll take a quick look at what yield does and then I’ll post a follow-up that looks at what the compiler generates for you. Let’s start by looking at a simple (and contrived) example...
  • Blog Post: Using let in LINQ to Objects - Part 2

    In my previous post , I looked at what the compiler generates when you use the let keyword in LINQ to Objects. This is a follow-up post slanted towards performance. To this end, I set up four tests: static void TestBaseline() { var q = from c in Customer .AllCustomers select c; int count ...
  • Blog Post: Using let in LINQ to Objects

    I've been delving into LINQ to Objects recently (and enjoying it), but had missed the 'let' keyword. A colleague Rupert Benbrook( http://phazed.com ) and I had been chatting about how to solve a particular issue using LINQ to Objects and he sent me a follow-up email with some code that used the 'let...
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