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6 Articles match "Class","LINQ"
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Related DevelopMentor Courses
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Essential LINQ with the Entity Framework
including extension methods and lambda expressions Use LINQ to filter, sort, and group in-memory collections of objects Create LINQ to SQL queries to execute SQL Server stored procedures and perform updates in real-world database applications Write LINQ to XML queries to search XML documents and save them to the file system Build a rich conceptual entity model using the EF and to visually map it to a database schema Use LINQ to Entities to write strongly typed queries against the Entity Data Model Detect and resolve concurrency conflicts with both LINQ to SQL and LINQ to Entities Execute business
DevelopMentor Courses
- Friday, June 12, 2009
Essential LINQ with the Entity Framework 4.0
including extension methods and lambda expressions Use LINQ to filter, sort, and group in-memory collections of objects Create LINQ to Entities queries to execute stored procedures and perform updates in real-world database applications Write LINQ to XML queries to search XML documents and save them to the file system Build a rich conceptual entity model using the EF and to visually map it to a database schema Learn how to implement Repository and Unit of Work design patterns with EF 4.0 Employ Test-Driven Development methodologies with the Entity Framework Detect and resolve
DevelopMentor Courses
- Monday, October 12, 2009
Mastering .NET 3.5 featuring LINQ, WPF, WCF & WF
Use LINQ to filter, sort, and group in-memory collections of objects Create LINQ to SQL queries to execute SQL Server stored procedures and perform updates Write LINQ to XML queries to search XML documents and save them to disk Build rich client applications with XAML and WPF that run standalone or in a browser Use WPF data binding and XAML to separate your code and UI elements Build service-oriented WCF services, as well as REST-based services and RSS / ATOM feeds Manage concurrency and state with WCF and handle exceptions appropriately Design robust workflow-oriented programs with Windows Workflow
DevelopMentor Courses
- Friday, June 12, 2009
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27 Articles match "Class","LINQ"
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The Latest from DevelopMentor
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Trackable DTO’s: Taking N-Tier a Step Further with EF4
If you look closely at the ObjectChangeTracker class that is generated for the client, you’ll see that it maintains metadata for navigation properties with items that have been added or removed, as well as original values and extended properties. About a year ago I wrote an article for MSDN Magazine on how to track change-state on the client and transmit it to a service for persistence using LINQ to SQL, Entity Framework, or some other data access stack. Download code for this post here .
Not long ago my friend and colleague Richard Blewett wrote a blog post on Self-Tracking
Tony and Zuzana's World
- Friday, February 19, 2010
Securing WCF Data Services using WIF
public class ProtectedDataServiceHostFactory : DataServiceHostFactory
{
protected override ServiceHost CreateServiceHost(
Type serviceType, Uri []
baseAddresses) class ProviderEntitiesWithToken : ProviderEntities
{
string _token;
string _tokenHeader
= "Authorization" ;
public ProviderEntitiesWithToken( Uri address, string token)
: This questions comes up every once in a while..
Since Since WCF Data Services is just a normal WCF service (using the web programming model),
all
www.leastprivilege.com
- Monday, February 15, 2010
ELINQ with EF 4.0 Course Update
I’ve been working feverishly the last couple of months to update my DevelopMentor course: Essential LINQ with Entity Framework 4.0 . LINQ to Objects 3. LINQ to XML
LINQ to SQL 5. Here is a breakdown of the course content:
Day 1:
1.
Tony and Zuzana's World
- Tuesday, December 29, 2009
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Processing Text Files with LINQ
Pretty boring stuff, so my mind started to wander and I started thinking about the loops I was writing and how I could replace them with LINQ.
With all of this information, we might write code like the following (without using any LINQ):
The first thing we need is a way to convert the lines in a text file into an IEnumerable<T> –without that, LINQ won’t be possible. I was recently writing some code to stream through a large text file, processing the lines it found that matched a regular expression. To demonstrate what I came up with, I thought I’d
Jason Diamond
- Sunday, September 7, 2008
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Dynamic Sorting with LINQ
I’ve been working with ASP.NET MVC and LINQ recently and was working on a controller action that “returned” a collection of objects (wrapped in a JsonResult ). Thanks to the way LINQ defers the actual execution of queries as late as possible, it’s possible to write code like the following to “dynamically” sort (using the Person.Contact table from the AdventureWorks database as an example):
Ever spend too much time working on a clever solution to a problem only to discover that your original approach was perfectly fine to begin with?
The action
Jason Diamond
- Monday, September 1, 2008
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Topological Sort Extension Method
Here’s the generic extension method I managed to come up with:
public static class TopologicalSorter
{ The Thingy class looks like this:
public class Thingy
{ NET C# LINQ Programmin I recently needed to sort a list of nodes by their dependencies. After a bit of Googling, I discovered this is called a topological sort .
Jason Diamond
- Sunday, June 7, 2009
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Using Rx (Linq to Events) with WPF
driven programming through LINQ. and disassemble all the classes into C#, placing them into a project file. A recent series of blog entries at http://themechanicalbride.blogspot.com/ introduced
the the Rx framework (System.Reactive.dll) which is an assembly used in the Silverlight
toolkit toolkit for UI testing purposes.
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LINQ to SQL to remain alive a little longer? LINQ to SQL changes in .NET 4.0
I guess the success for LINQ to SQL makes it hard for Entity Framework to absorb the
full LINQ
to LINQ to SQL class designer
Now longer fails when using clauses are added to the partial user class
VarChar(1) full feature set in a single (v2) release. The team has been working on a bunch of
fixes
The Blomsma Code
- Tuesday, June 2, 2009
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LINQ to SQL external mapping file
With LINQ to SQL you can choose to use an external mapping file, allowing you to map
SQL means you do not need to adorn your classes with attributes.
Here's public class Supplier
{
public int ID
{ Tags: C# LIN SQL statements to CLR objects (also referred to as POCO, Plain Old CLR Objects). Doing
so
The Blomsma Code
- Saturday, October 25, 2008
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Article: Building a Twitter Application in .NET
and LINQ to fully leverage the Twitter experience.
Whether similar classes? also a great set of classes for building REST clients. We will use these classes to
write After generating our status related types, we can use the HttpClient class to download
the I recently wrote an article for DevelopMentor 's
Developments Developments newsletter entitled Building a Twitter Application in .NET
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