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Hydrating Objects With Expression Trees - Part III

To finalize this series on object hydration, I’ll show some performance comparisons between the different methods of hydrating objects. For the purpose of this exercise, I’ll use this class: class SomeType { public int Id { get ; set ; } public string Name { get ; set ; } public DateTimeOffset CreationTime...

Posted to Paulo Morgado by Paulo Morgado on Tue, Aug 17 2010
Filed under: Filed under: .NET, C#, MSDN, LINQ, .NET3.5, .NET4.0, CodeProject, C#4.0, ExpressionTrees, C#3.0
Playing With LINQ: Getting Interface Property Implementations

Today, my friend Nuno was writing some code to get the PropertyInfo s of a class implementation of an interface. Given this interface: public interface ISomeInterface { int IntProperty { get ; set ; } string StringProperty { get ; } void Method(); } and this class: public class SomeClass : ISomeInterface...

Posted to Paulo Morgado by Paulo Morgado on Tue, Jan 26 2010
Filed under: Filed under: .NET, C#, Microsoft, MSDN, LINQ, TipsAndTricks, .NET3.5, .NET4.0
How To Set Elements Of An Array Of A Private Type Using Visual Studio Shadows

Visual Studio uses Publicize to create accessors public for private members and types of a type. But when you try to set elements of a private array of elements of a private type, things get complicated. Imagine this hypothetic class to test: public static class MyClass { private static readonly MyInnerClass...

Posted to Paulo Morgado by Paulo Morgado on Mon, Jan 18 2010
Filed under: Filed under: .NET, C#, Microsoft, MSDN, VisualStudio, Testing, LINQ, VisualStudio2008, VisualStudio2010, TipsAndTricks, .NET2.0, .NET3.5, .NET4.0
Série LINQ to SQL Parte 6 - Atualizando registros com LINQ to SQL

Nesse post, para finalizar a série de LINQ to SQL, vou demonstrar como atualizar registros de uma tabela utilizando a query do LINQ. O Códgo abaixo atualiza os dados de um Produto que é recuperado através do seu ID. Veja como é simples a atualização do...

Posted to Andrey Sanches by andrey on Tue, Oct 6 2009
Filed under: Filed under: linq, MSDN
Série LINQ to SQL Parte 5 - Criando querys com JOIN entre tabelas

Como vocês já devem ter percebido, a linguagem LINQ é muito semelhante a uma query SQL e essa tem sido uma das grandes vantagens do LINQ. Nesse post vamos explorar mais um desses recursos, a utilização de JOIN entre duas tabelas em uma consulta e faremos o bind do resultado...

Posted to Andrey Sanches by andrey on Thu, Sep 24 2009
Filed under: Filed under: linq, MSDN
Série LINQ to SQL Parte 4 - Recuperando um registro específico com LINQ

Em continuação à série LINQ to SQL, nesse post veremos como fazer query dos dados em banco e o bind diretamente em controles ASP.NET. Nesse exemplo iremos: Codificar o método que retornará um objeto produto; Codificar o preenchimento do objeto na UI Query em...

Posted to Andrey Sanches by andrey on Mon, Sep 21 2009
Filed under: Filed under: linq, MSDN
Série LINQ to SQL Parte 3 - Inserindo registros no Banco de Dados SQL Server

Continuando a série LINQ to SQL , nesse post iremos incluir um registro de Produto na Base de Dados SQL Server utilizando LINQ. Crie uma nova página por nome /LINQ/Cadastro.aspx e desenho seu layout conforme mostra figura abaixo: Após a criação da Página, crie...

Posted to Andrey Sanches by andrey on Thu, Sep 17 2009
Filed under: Filed under: linq, MSDN
Série LINQ to SQL Parte 2 - Modelando objetos com LINQ

Mão na massa Continuando a série sobre LINQ to SQL , nesse post vou publicar como modelar os objetos no VS 2008 e preparar as classes para persistência dos objetos em Banco de Dados. Crie um banco de dados no SQLEXPRESS por nome BlodDemo e duas tabelas Produtos e CategoriaProdutos...

Posted to Andrey Sanches by andrey on Wed, Sep 16 2009
Filed under: Filed under: linq, MSDN
Playing With SQL Server CLR Integration – Part III

You might have noticed that I used LINQ in my last Playing With SQL Server CLR Integration posts ( Part I , Part II ). I couldn’t make it work with the standard Visual Studio 2008 SQL CLR project template. Changing the Target Framework to .NET Framework 3.5 wasn’t enough. I had to edit the .csproj file...

Posted to Paulo Morgado by Paulo Morgado on Thu, Jun 11 2009
Filed under: Filed under: .NET, SoftDev, Microsoft, MSDN, SQLServer, LINQ, SQLServer2008, SQLServer2005, SQLCLR
More On Another Way For Using The “using” Keyword

In the past I presented another possible use for the using keyword: as hints on LINQ . I’ve been giving some thought about this lately and refined my proposal. var q = from person in personCollection using MyEnumerableExtensions group person by person.LastName into g using new MyOtherComparer () orderby...

Posted to Paulo Morgado by Paulo Morgado on Sun, Aug 10 2008
Filed under: Filed under: .NET, SoftDev, C#, Microsoft, MSDN, LINQ
C# And Visual Basic Generate Different Expression Trees

(This was pointed out to me by Frans Bouma and explained by Jon Skeet ) Imagine you have this set of classes: public class A { public virtual string P { get { return "A" ; } } } public class B : A { } public class C : B { public override string P { get { return "C" ; } } } And this...

Posted to Paulo Morgado by Paulo Morgado on Sun, Aug 3 2008
Filed under: Filed under: .NET, SoftDev, C#, Microsoft, MSDN, LINQ, VisualBasic
Build Your Own LINQ Provider

Mehfuz has been building a toolkit for creating LINQ providers and it's available at CodePlex : LINQExtender He has even built a LINQ provider for flickr with it: LINQ.Flickr

Posted to Paulo Morgado by Paulo Morgado on Wed, May 7 2008
Filed under: Filed under: .NET, Architecture, SoftDev, Microsoft, MSDN, LINQ
TypeMock: How to Make Reflective Mocks More Natural

Like I said before , this as been on the back of my mind for a while. A while back I introduced a way to get the MethodInfo of a method in a strongly typed way using LINQ , and that's how I'm going to make Reflective Mocks more Natural . Well, it's as easy as this: public static class MockExtender...

Posted to Paulo Morgado by Paulo Morgado on Thu, Jan 31 2008
Filed under: Filed under: .NET, SoftDev, C#, Microsoft, MSDN, MVP, Tools, Testing, LINQ, UnitTests, TypeMock
Free e-books on the Visual Studio 2008 Learning Portal

Microsoft is offering free e-books (or, at least some chapters) in the Visual Studio 2008 Learning Portal .

Posted to Paulo Morgado by Paulo Morgado on Wed, Jan 2 2008
Filed under: Filed under: .NET, ASP.NET, SoftDev, Microsoft, MSDN, MVP, Web, Tools, VisualStudio, LINQ, AJAX, Silverlight
Visual Studio 2008 and .NET Framework 3.5 shipped!

Visual Studio 2008 and .NET Framework 3.5 has finally shipped. MSDN subscribers can download the final version of Visual Studio 2008 from MSDN Subscription Downloads , but anyone can get a trial version or an Express Edition . The .NET Framework 3.5 contains many new features building incrementally upon...

Posted to Paulo Morgado by Paulo Morgado on Tue, Nov 20 2007
Filed under: Filed under: .NET, WinForms, ASP.NET, SoftDev, C#, Microsoft, MSDN, SQLServer, XML, VisualStudio, WCF, WPF, WF, WindowsClient, LINQ
Getting MethodInfo using LINQ

At the last MVP Global Summit , Mads showed me and Rich a way to get the MethodInfo of a method in a strongly typed way using LINQ . Here is how you can do it: public static class TypeHelper { public delegate void Method (); public delegate void Method <TArg0>(TArg0 arg0); public delegate void...

Posted to Paulo Morgado by Paulo Morgado on Fri, Mar 23 2007
Filed under: Filed under: .NET, Community, SoftDev, C#, Microsoft, MSDN, MVP, LINQ

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