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Hi all, I'm very new with C# programming and decided to learn this based on the .net 3.5 framework and VS 2008. The error is (as seen before): Error 1 The type or namespace name 'Linq' does not exist in the namespace 'System' (are you missing an assembly reference?) I installed the full VS 2008. To target the .NET Framework version 3.5. In Visual Studio, open a Visual Basic or C# project that was created in Visual Studio 2005 and follow the prompts to convert it to a Visual Studio 2008 or a Visual Studio 2010 project. For a C# project, click the Project menu, and then click Properties. It is already installed. Create a project targeting .NET 3.5 referencing the System.Core assembly and you should be ready to go. If you want to use Linq to SQL or Linq to XML you might need to reference additional assemblies. LINQ in Visual Studio 2008. 1. Language Integrated Query Mike Taulty Developer & Platform Group Microsoft Ltd [email_address] http://www.mtaulty.com; 2. Agenda Why LINQ? How are query capabilities added to the languages? What is LINQ enabled in VS2008. Microsoft enters the ORM (Object Relational Mapping) world with the introduction of LINQ (Language Integrated Query). This is provided as a built-in feature in Visual Studio 2008 and the .NET Framework 3.5 which was released to the public on November 19, 2007. Like most ORM data models, LINQ offers. 11 min - Uploaded by Ivan de LimaCreating an school application using visual studio 2008, WPF, SQL Server 2008, Linq to SQL. 10 min - Uploaded by Ivan de LimaCreating an school application using visual studio 2008, WPF, SQL Server 2008, Linq to SQL. This section of the Visual Studio 2008 Learning Guide looks at LINQ, which is arguably the most important new feature of VS 2008. 32 minEver wonder what really happens when you write a simple LINQ query? A lot of new language. Instructor-led Microsoft LINQ Using Visual Studio 2008 from SkillForge. Six months of instructor support after class, classes never cancelled due to low enrollment. Extension for Visual Studio - Visual LINQ Query Builder is an add-in to Visual Studio 2008 Designer that helps you visually build LINQ to SQL queries. 55 minHi and welcome to another Visual Studio 2008 Training Kit screencast. This session was. A newer version of this LINQ to SQL template is available. If you want to customize the LINQ to SQL code generation phase in your project without additional tool dependencies this could be what you're looking for. 11 Dec 2008 Fixes to association code with one-to-one's and with no serialization required. Visual Studio 2008 / C# 3.0 / VB.NET / LINQ (to SQL) Hands on Labs und Samples. Written on December 14, 2007. Microsoft hat diverse Hands on Labs und Beispiele zu o.g. Technologien veröffentlicht:. I developed some LINQ to SQL pages on my Vista machine running VSTS 2008. When I uploaded the files to the server running Visual Studio I received an error that said it could not find the System.Data.LINQ namespace. I went into the project and added a reference to this namespace; problem sovled. With Visual Studio 2008 and .NET 3.5, developer's data access options have increased substantially. In addition to using ADO.NET to create DataReaders or DataSets, Microsoft has added LINQ to SQL and Entity Framework as well as ADO.NET Data Services, which leverages those two. In addition to these new options,. Note: I still use VS 2008 for software development, as do several developers out there working for large corporate entities that are much slower to upgrade technologies. I've only really tested LINQ with VS 2008, although it is possible it might work the same way with newer versions. LINQ, or. If you are a bit new to programming LINQ, please consider reading my previous article titled "Beginning 'LINQ to SQL' using Visual Studio 2008." The entire source code for this article is available in the form of a free downloadable zip file. The solution was developed using Microsoft Visual Studio 2008. I'm currently building a desktop application that needs to store a bunch of data on the users computer, so I've decided to use SQL Server Compact 3.5 for this. There's only one problem, Visual Studio 2008 doesn't support using LINQ to SQL with SQL Server Compact. However, the .NET Framework does. Visual Studio 2008 SP1: LINQ to SQL and FILESTREAM. LINQ to SQL and FILESTREAM In Visual Studio 2008 and .Net Framework 3.5 SP1, not only that LINQ to SQL supports the new date and time types of SQL Server 2008, but is also supports forking with FILESTREAMs. Using the File Management. Well, you have a few interesting bits to overcome: Lambda syntax wasn't introduced until VS 2008, so you'd have to implement using anonymous delegates. You can't even simulate extension methods for .NET 2 with VS 2005. VS 2008 only. Func and its relatives weren't introduced until .NET 3.5; The Func delegates. Este artigo tem como objetivo apresentar uma visão geral do funcionamento do LINQ, a sintaxe básica da linguagem e montar um projeto no Visual Studio 2008 utilizando esta tecnologia. What is the relationship between this system and the MySql Connector NET we all know and love? Only I'm not getting very far with Linq and MySql Connector NET 5.1.6. From documentation I belive I should be able to use an open connection to my chosen MySql database using this call to initialise my. That your LINQ statement is displayed (in the method-based syntax) along with your connection string and related connection information is just icing on the cake. The only downside is that, while LInQ Visualizer works fine with my copy of Visual Studio 2008, I wasn't able to get it to work with Visual Studio. Many of the newest features in Visual Studio 2008 were added to support LINQ (Language Integrated Query). Extension methods, lambda functions, anonymous types, and many of the other features new to Visual Studio were added to make building LINQ easier. Visual Basic doesn't really execute LINQ queries. Instead it. NET Framework 3.5 que permitem a realização de consultas diretamente em base de dados , documentos XML , estrutura de dados , coleção de objetos ,etc. usando uma sintaxe parecida com a linguagem SQL. Atenção você precisa do Visual Studio 2008 ou o Visual Web Developer 2008 Express (.NET Framework 3.5). I forgot to mention that while I was at SQLSaturday in Tampa, Florida I ran into some very passionate database administrators (DBAs). They were more than happy to give me unsolicited opinions on the evils of O/R Mappers and Dynamic SQL as well as the importance of the DBA on development teams. VLINQ is a query building tool used to construct LINQ to SQL queries through a visual designer integrated with Visual Studio 2008. The product may be obtained at no cost; it can be found at this URL: http://code.msdn.microsoft.com/vlinq/Release/ProjectReleases.aspx?ReleaseId=810. A quick reference. Peter Monadjemi − Visual Basic-Spezialist der ersten Stunde − führt Sie mit diesem Kompendium auf bewährte Weise in die Software-Entwicklung mit Visual Basic 2008 ein und stellt alle Neuerungen ausführlich vor. Von LINQ über die Integration von XML in den Quellcode bis zu WPF mit dem neuem Designer. Auf über. I've recently upgraded from VWD 2008 Express to Visual Studio 2008 Professional edition, and installed Telerik's RadControls. Now, when I create a new Telerik project, I get the following errors: Namespace or type specified in the project-level Imports 'System.Xml.Linq' doesn't contain any public member. The classes must be defined before LINQ to SQL can be used. Visual Studio 2008 includes a mapping designer that can be used to create the mapping between the data schemas in the object as well as the relational domain. It can automatically create the corresponding classes from a database schema, as well as allow. Visual LINQ Query Builder is an add-in to Visual Studio 2008 Designer that's developed to help you build LINQ to SQL queries through a friendly interface. The tool can be seen in action here – http://blogs.msdn.com/mitsu/archive/2008/04/02/visual-linq-query-builder-for-linq-to-sql-vlinq.aspx and available. Now that we have LINQ in .NET Framework 3.5, I was thinking that Visual Studo 2008 will have the same thing. Unfortunately, out-of-the-box Visual Studio 2008 does not have it. Good thing Scott Guthrie, a program manager at Microsoft, blogged about LINQ to SQL Debug Visualizer. This is the ability to. I wrote an web app years ago in VS 2008 and originally SQL 2005. When we update to SQL 2008 there was update (SP1) which we were able to install which let me use and update SQL 2008. When we... Microsoft Visual Studio 2008 and Language Integrated Query (LINQ) queries convert Visual Basic and C# code into T-SQL–based database calls, which are executed against SQL Server. Your Microsoft Visual Studio 2008 projects will need to target the Microsoft .NET Framework 3.5 to use LINQ. SQLMetal. For those who haven't heard Visual Studio 2008 has officially been released! That also means that the .net Framework 3.5 has also been released! For those who have done the Beta's there is a couple of method renaming that has happened that will break your bits! Summary. To add a record .Add and . The LINQ runtime knows how to translate LINQ to SQL queries to T-SQL, the only language SQL Server knows! We can see the communication between the Runtime and SQL Server using several tools. Some tools are built into the Visual Studio 2008 sp1 for looking into the results of a LINQ query. This includes coverage of LINQ's extensibility, which allows querying more data sources than those supported by default. All code samples are built on a concrete business case. The running example, LinqBooks, is a personal book cataloging system that shows you how to create LINQ applications with Visual Studio 2008. To connect to the MySQL server, you need the server itself running, dotConnect for MySQL installed and IDE running. LinqConnect requires .NET Framework 3.5, Visual Studio 2008, and MySQL server 5.0 or higher. Note that the LinqConnect feature is only available in Professional and Developer Editions of dotConnect for. Visual Studio 2008 makes it easy to create LINQ to SQL entities. You create LINQ to SQL entities by using the Visual Studio Object Relational Designer (see Figure 2). To create new entities, simply drag database tables from the Server Explorer/Database Explorer window onto the Object Relational. Below is a class that contains a method that can create a DataTable object form Linq Query Results. I find the LINQToDataTable method really handy when I am creating Crystal reports. Crystal Reports love to report on DataTables. The Imports are essential to the LINQToDataTable method in the. In total, there are more than 250 new features added with significant enhancements across every version ranging from Express Editions to Visual Studio Team Systems (VSTS). A key addition in VS2008 is support for the new Language Integrated Query (LINQ), which is positioned as a technology for rapid. when opening LINQ to SQL file in VS2008. 8 May 2008 0 LINQ, Visual Studio. Today I get error The operation could not be completed when I was trying to open *.dbml LINQ to SQL file. I have this developement environment in virtual machine and I did no installs or updates. Event Log also wasn't saying anything that could. As I was testing the LINQ to SQL functionality in Visual Studio 2008, I found myself missing the SQL Query Builder. For the relatively simple three-table inner join SELECT queries I needed, I was able to write correct LINQ syntax myself with only a database diagram, IntelliSense and online help for guidance. VB9 support for XML is pretty sexy, as I've mentioned before. Specifically, the XML Literals may have me using VB more often, or, more likely, mixing VB9 and C# together. More on that soon. Here's some C# LINQ to XML: XDocument booksXML = XDocument.Load(Server.MapPath("books.xml")); var books. Visual Studio 2008 is certainly a worthwhile download and, although it does seeam to run a bit slower than VS2005, this seems to be because of the more frequent IntelliSense lookups it's doing. Creating an Ajax web application with dynamically updated areas on the page took me just a few clicks with no need to write any. Arrgh. Today I got back to a LINQ to SQL app that's been sitting idle for some time.. I sure hope that this problem doesn't show up like this out of the box after an install of VS 2008 SP1?. I'd really hate to total up the hours I spent tracking down some obscure Visual Studio bug or behavior in a year… LINQBridge is a reimplementation of all the standard query operators in Framework 3.5's Enumerable class. It's designed to work with the C# 3.0 compiler, as used by Visual Studio 2008. LINQBridge comprises a "LINQ to Objects" API for running local queries. (It doesn't include an implementation of LINQ to SQL, nor LINQ. Figure 11-1 shows LINQ's place in querying data. C# 2008 Visual Basic 2008 Others .NET Language Integrated Query (LINQ) LINQ TO Objects Objects LINQ TO DataSets LINQ TO SQL LINQ TO Entities LINQ TO XML Relational Data Stores XML Figure 11-1 Looking at the figure, you can see that different types of. En esta ocasión, vamos a desarrollar un ejemplo que es casi idéntico al ejemplo de LINQ y XML. Lo que vamos a hacer, es trabajar a partir de un documento XML que vamos a cargar en en un DataSet para trabajar con el DataSet de forma directa. Una vez más, vamos a elaborar un sencillo ejemplo del. A LINQ foi introduzida nas linguagens Visual Basic 9.0 (ou Visual Basic 2008) e C# 3.0 (Visual C# 2008), em novembro de 2007, com o .NET Framework 3.5 e o Visual Studio 2008. Diversos novos recursos foram introduzidos na versão 3.0 da linguagem de programação C#, sendo que grande parte deles voltados para. I've been working this weekend trying to get my samples for the upcoming Linq In Action book and other demos up and running with the recent Beta 2 drop. Below is a summary of some of the changes that I needed to make. In general, if you are able, I would recommend dumping your data mapping file. VS 2008でASP.NETは 2.0から3.5へとバージョンアップします。後篇ではASP.NET 3.5の新機能のうち、コーディングのサポート機能、LINQを扱うページの作成、新コントロールの利用方法などについて解説します。 Model your SQL Server databases using LINQ Visual Studio 2008 and the corresponding Express Editions come with a visual designer which makes it easy to model and visualize a database as a LINQ to SQL object model. Let's create a console project by following the steps outlined in the Introduction to. LINQ is the project name for a set of extensions to the .NET Framework that provide a generic approach to querying data from different data sources. LINQ made its debut in Visual Studio 2008, and became a must–have skill for .NET developers. For more information about LINQ, you can check out www.linqdev.com. Avec Visual Studio 2008 et .NET 3.5, Microsoft publie une nouvelle version de son framework d'accès aux données ADO.NET. Ce dernier propose de nouveaux mécanismes pour construire des applications évoluant dans des environnements hétérogènes tels ASP.NET, Winform ou WPF. Chaque environnement a ses. Dear Visual Studio: Stop Adding "using System.Linq;" to everything! Submitted by Xenoveritas on Mon, 2008-12-15 15:42. "The type or namespace name 'Linq' does not exist in the namespace 'System' (are you missing an assembly reference?)" Really? That's neat because I never added Linq in the first place! Visual. This is a Package / Add In for Visual Studio 2008 (should also run in VS2005 I think) that provides something I call "Method Injection" which is basically allowing multiple statements, Linq statements and Lambda expressions to be inserted and executed at a certain position in a debugged program. Actually it appears as an. With LINQ, a single syntax lets you access all of these flavors of data, and more. The syntax itself is similar to SQL, the database query language already familiar to you, your programming associates, and a team of hackers at the FBI. Visual Basic 2008 includes LINQ support for SQL Server database tables and objects. The first step to using LINQ to SQL is to build a DataContext , which contains all entity classes and their data access methods. You will generate one Entity class per table, e.g., the Page Entity class for the Page table in the database. Visual Studio 2008's ORM designer allows you to easily drag and drop tables onto a.
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