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  • Transitioning to asynchronous programming model

    - by Simone
    our team is mantaining and developing a .NET web service written in C#. We have stress tested the web service's farm and we have evidence that the actual architecture doesn't scale well, as the number of request are constantly increasing. We analyzed Martin Fowler's conclusion in this article, and our team feels that migrating to an asynchronous programming model such as the one described could be the right direction to point to for our service too. My question is: do you think that this "switch" needs a complete rewrite of the application? Has been someone of you been able to adopt APM without rewriting everything and has some insight to share? Thank you in advance

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  • SharePoint 2010 Leiria

    - by Ricardo Peres
    Ontem ocorreu o primeiro evento SharePoint 2010 Leiria, organizado pelo David Frazão, que me convidou, e no qual tive a honra de participar. Estavam presentes cerca de 12 pessoas, com experiências muito variadas de utilização do SharePoint. Foi muito interessante, sobretudo, se se vier a repetir! Fiz uma breve apresentação sobre os Business Connectivity Services do SharePoint 2010. Podem fazer download dos slides e do código fonte no meu SkyDrive.

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  • integrating cc.net with uppercut

    - by deepasundarip
    Hi, I installed uppercut in my system successfully, Then i installed cc.net, for automated build revision number, I followed all the steps in the following site, http://ferventcoder.com/archive/2009/05/21/uppercut---automated-builds---cruisecontrol.net-integration.aspx The same config code in that site i used to integrate but still i could find the following error when i run the cc.net svn folder Unable to execute file [D:\CodeBuild\abc\svn]. The file may not exist or may not be executable. --- System.ComponentModel.Win32Exception: The system cannot find the file specified.. Is there any different procedure to install cc.net?? I just run the exe and it said set virtual memory manually, When does the build and revision number increase?? Please help me......... I m n trouble

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  • Oracle ODP.NET und Windows PowerShell

    - by cjandaus
    In der Microsoft Welt wohlbekannt, in der Oracle Welt nur ein Schulterzucken hervorrufend - die sogenannten Scripting Guys. Wie der Name bereits vermuten lässt, geht es in deren Hey, Scripting Guy! Blog um Scripting. Und damit natürlich um die Windows PowerShell. Ja, die Zeiten des DOS-Kommandofensters und Batch-Dateien ist vorbei. Die PowerShell ist eine mächtige Scripting-Umgebung unter Windows, die selbst unter Unix/Linux-Administratoren Gefallen finden sollte. Dass man damit wunderbar auch auf Oracle Datenbanken zugreifen kann, haben wir bereits vor Jahren in einer Oracle Workshop Reihe bewiesen. Damals begleitete mich Klaus Rohe von Microsoft, der mit mir dann auch gemeinsam einen Vortrag auf DOAG Konferenz hielt. Unser gemeinsames Ziel war es damals wie heute, die Oracle Anwender von der hervorragenden Integration zwischen Oracle, Windows und .NET zu überzeugen. Was lag näher, als sich dies von beiden Herstellern gemeinsam bestätigen zu lassen? Vor allem die ewigen Zweifler begrüßten dies. Seither war die PowerShell bei mir nicht mehr auf dem Radar und auch Oracle Anwender haben das Thema nicht mehr aufgeworfen. Möglicherweise auch deshalb, weil es zu neu oder zu unbekannt ist? Eher unwahrscheinlich ... Vielleicht liegt es vielmehr daran, dass man einfach mal davon ausgeht, dass PowerShell nur für Microsoft Produkte richtig nutzbar ist? Oder man bekommt erzählt, dass nur die Integration mit der Microsoft-eigenen Datenbank SQL Server möglich ist? Und das ist natürlich nicht richtig - so wie immer (ich denke dabei unter anderem an das Microsoft Active Directory - aber dazu ein andermal mehr). Umso mehr freut es mich, einen brandneuen Blog-Beitrag zu genau diesem Thema zu lesen, auf den mich Alex Keh, (Produkt Manager für Windows und .NET im Oracle Headquarter in San Francisco) aufmerksam gemacht hat. Was die Sache noch besser macht, dieser Beitrag stammt aus der Microsoft Welt und belegt damit zwischen den Zeilen, dass die Oracle Datenbank und unsere .NET Integration via dem Oracle Data Provider for .NET (ODP.NET) auch hier eine bedeutende Rolle spielt. In diesem Sinne: Beide Daumen hoch für die Scripting Guys! Der Beitrag nennt sich Use Oracle ODP.NET and PowerShell to Simplify Data Access und trotz ein paar weniger Ausreißer, ist der Artikel sehr zu empfehlen, um in das Thema einzusteigen. Lassen Sie es mich wissen, wie Sie zu dieser Integration stehen, ob die PowerShell für Sie in der Praxis wichtig ist oder werden könnte, und falls Sie Features vermissen, die Oracle künftig umsetzen sollte. Danke!

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  • Identity in .NET 4.5&ndash;Part 1: Status Quo (Beta 1)

    - by Your DisplayName here!
    .NET 4.5 is a big release for claims-based identity. WIF becomes part of the base class library and structural classes like Claim, ClaimsPrincipal and ClaimsIdentity even go straight into mscorlib. You will be able to access all WIF functionality now from prominent namespaces like ‘System.Security.Claims’ and ‘System.IdentityModel’ (yay!). But it is more than simply merging assemblies; in fact claims are now a first class citizen in the whole .NET Framework. All built-in identity classes, like FormsIdentity for ASP.NET and WindowsIdentity now derive from ClaimsIdentity. Likewise all built-in principal classes like GenericPrincipal and WindowsPrincipal derive from ClaimsPrincipal. In other words, the moment you compile your .NET application against 4.5,  you are claims-based. That’s a big (and excellent) change.   While the classes are designed in a way that you won’t “feel” a difference by default, having the power of claims under the hood (and by default) will change the way how to design security features with the new .NET framework. I am currently doing a number of proof of concepts and will write about that in the future. There are a number of nice “little” features, like FindAll(), FindFirst(), HasClaim() methods on both ClaimsIdentity and ClaimsPrincipal. This makes querying claims much more streamlined. I also had to smile when I saw ClaimsPrincipal.Current (have a look at the code yourself) ;) With all the goodness also comes a number of breaking changes. I will write about that, too. In addition Vittorio announced just today the beta availability of a new wizard/configuration tool that makes it easier to do common things like federating with an IdP or creating a test STS. Go get the Beta and the tools and start writing claims-enabled applications! Interesting times ahead!

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  • .NET Reflector 7 Released

    - by Paulo Morgado
    This new version fixes a number of bugs and adds support for more high level C# features such as iterator blocks. A new tabbed browsing model was added and Jason Haley's PowerCommands add-in was included as an exploratory step for future versions. To find out more about version 7 just visit http://www.reflector.net/. The release of version 7 also means that the free version of .NET Reflector is no longer available for download. Maybe you can still get one of the give away licenses that Red Gate provided to communities and individuals.

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  • Code from my DevConnections Talks and Workshop

    - by dwahlin
    Thanks to everyone who attended my sessions at DevConnections Las Vegas. I had a great time meeting new people, discussing business problems and solutions and interacting. Here’s the code and slides for the sessions.  For those that came to the full-day Silverlight workshop I’ve included the slides that didn’t get printed plus a ton of code to help you get started with various Silverlight topics.   Get Started Building Silverlight Applications Building Architecturally Sound Silverlight Applications Using WCF RIA Services in Silverlight Applications (will post soon) Silverlight Data Integration Options and Usage Scenarios Silverlight Workshop Code

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  • Multi-level inheritance with Implements on properties in VB.NET vs C#

    - by Ben McCormack
    Let's say I have 2 interfaces defined like so: public interface ISkuItem { public string SKU { get; set; } } public interface ICartItem : ISkuItem { public int Quantity { get; set; } public bool IsDiscountable { get; set; } } When I go to implement the interface in C#, VS produces the following templated code: public class CartItem : ICartItem { #region ICartItem Members public int Quantity { get {...} set {...} } public bool IsDiscountable { get {...} set {...} } #endregion #region ISkuItem Members public string SKU { get {...} set {...} } #endregion } In VB.NET, the same class is built out like so: Public Class CartItem Implements ICartItem Public Property IsDiscountable As Boolean Implements ICartItem.IsDiscountable 'GET SET' End Property Public Property Quantity As Integer Implements ICartItem.Quantity 'GET SET' End Property Public Property SKU As String Implements ISkuItem.SKU 'GET SET' End Property End Class VB.NET explicitly requires you to add Implements IInterfaceName.PropertyName after each property that gets implemented whereas C# simply uses regions to indicate which properties and methods belong to the interface. Interestingly in VB.NET, on the SKU property, I can specify either Implements ISkuItem.SKU or Implements ICartItem.SKU. Although the template built by VS defaults to ISkuItem, I can also specify ICartItem if I want. Oddly, because C# only uses regions to block out inherited properties, it seems that I can't explicitly specify the implementing interface of SKU in C# like I can in VB.NET. My question is: Is there any importance behind being able to specify one interface or another to implement properites in VB.NET, and if so, is there a way to mimic this functionality in C#?

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  • Strategy for converting a VB6 app to .NET

    - by Craig Johnston
    Would it be a good idea to start converting forms into .NET one at a time which you would then invoke from the VB6 app via COM-interop. This way, by the end of the process you would just convert the 'shell' of the VB6 application into a new .NET app, and all your forms are ready to go in .NET. Is there a better strategy?

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  • Where to put data management rules for complex data validation in ASP.NET MVC?

    - by TheRHCP
    Hello, I am currently working on an ASP.NET MVC2 project. This is the first time I am working on a real MVC web application. The ASP.NET MVC website really helped me to get started really fast, but I still have some obscure knowledge concerning datamodel validation. My problem is that I do not really know where to manage my filled datamodel when it comes to complex validation rules. For example, validating a string field with a Regex is quite easy and I know that I just have to decorate my field with a specific attribute, so data management rules are implemented in the model. But if I have multiple fields that I need to validate which each other, for example multiple datetime that need to be correctly set following a specific time rule, where do I need to validate them? I know that I could create my own validation attributes, but sometimes validation ask a specific validation path which is to complex to be validated using attributes. This first question also leads me to a related question which is, is it right to validate a model in the controller? Because for the moment that is the only way I found for complex validation. But I find this a bit dirty and I feel it does not really fit a the controller role and much harder to test (multiple code path). Thanks.

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  • .NET 4.0 build issues on CI Server

    - by DMcKenna
    Anybody manage to get .net 4.0 applications compiling on a CI server without installing visual studio 2010 on a CI server. No SDK exists for .net 4.0. Have installed .NET 4.0 on CI Server. Msbuild.exe works for simple projects and give the following warning (GetReferenceAssemblyPaths target) - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(847,9): warning MSB3644: The reference assemblies for framework ".NETFramework,Version=v4.0" were not found. To resolve this, install the SDK or Targeting Pack for this framework version or retarget your application to a version of the framework for which you have the SDK or Targeting Pack installed. Note that assemblies will be resolved from the Global Assembly Cache (GAC) and will be used in placeof reference assemblies. Therefore your assembly may not be correctly targeted for the framework you intend.

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  • Best Practice: Legitimate Cross-Site Scripting

    - by Ryan
    While cross-site scripting is generally regarded as negative, I've run into several situations where it's necessary. I was recently working within the confines of a very limiting content management system. I needed to include database code within the page, but the hosting server didn't have anything usable available. I set up a couple barebones scripts on my own server, originally thinking that I could use AJAX to import the contents of my scripts directly into the template of the CMS (thus retaining dynamic images, menu items, CSS, etc.). I was wrong. Due to the limitations of XMLHttpRequest objects, it's not possible to grab content from a different domain. So I thought "iFrame" - even though I'm not a fan of frames, I thought that I could create a frame that matched the width and height of the content, so that it would appear native. Again, I was blocked by cross-site scripting "protections." While I could indeed load a remote file into the iFrame, I couldn't execute JavaScript to modify its size on either the host page or inside the loaded page. In this particular scenario, I wasn't able to point a subdomain to my server. I also couldn't create a script on the CMS server that could proxy content from my server, so my last thought was to use a remote JavaScript. A remote JavaScript works. It breaks when the user has JavaScript disabled, which is a downside; but it works. The "problem" I was having with using a remote JavaScript was that I had to use the JS function document.write() to output any content. Any output that isn't JS causes script errors. In addition to using document.write() for every line, you also have to ensure that the content is escaped - or else you end up with more script errors. My solution was as follows: My script received a GET parameter ("page") and then looked for the file ({$page}.php), and read the contents into a variable. However, I had to use awkward buffering techniques in order to actually execute the included scripts (for things like database interaction) then strip the final content of all line break characters ("\n") followed by escaping all required characters. The end result is that my original script (which outputs JavaScript) accesses seemingly "standard" scripts on my server and converts their standard output to JavaScript for displaying within the CMS template. While this solution works, it seems like there may be a better way to accomplish the same thing. What is the best way to make cross-site scripting work specifically for the purpose of including content from a completely different domain?

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  • .Net Compact Framework 2.0 touch and nice controls

    - by eridem
    Hello! I would like to know if somebody knows free custom nice controls for .NET Compact Framework 2.0. There are nice controls as Manila Interface SDK (http://forum.xda-developers.com/showthread.php?t=566188), Sense Interface SDK (http://forum.xda-developers.com/showthread.php?t=648906) and so on for free, but they work only on .NET CF 3.5. Furthermore, there are others that you have to pay for them and for .NET CF 2.0 and 3.5 (Resco or Touch Control Suite). And there is one called Fluid (http://fluid.codeplex.com/) but it's so complicated, there are not exactly controls (are classes added to a host control) and there is not much documentation to work with it. Any nice controls for free and working in .NET CF 2.0? And with list sliders if it's possible? Thanks!

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  • Fixing SharePoint 2010 Permission Problems on Windows 7

    - by Ricardo Peres
    I had a tough time trying to have SharePoint working perfectly on a Windows 7 development machine that was occasionally disconnected from the Active Directory (when I am home I must connect through a VPN). I mostly had problems with service applications such as User Profile, Managed Metadata, Business Connectivity Services and the like, and all I knew were cryptical messages such as “access denied” or “the service or application pool is not started”. I was sure that both the services and application pools were running under a domain account that had proper permissions on the SQL Server instance, and basically it was a fresh installation. Lots of people are having the same problem, apparently. After banging my head against the wall for several days, I remembered about farm (what I had) versus stand-alone (which I had never tried) installations. Bingo! Here’s what I did: I dropped all SharePoint databases and logins and reinstalled SP from scratch, only this time not in farm mode, but as stand-alone. After the SharePoint Configuration Wizard started, I cancelled it and started the Management Shell. I created the configuration database manually by using the New-SPConfigurationDatabase cmdlet where I specified a local account – something that the Configuration Wizard wouldn’t allow me to do. Then I restarted the Configuration Wizard and everything began working perfectly! Yes, I got some pre-configured service applications and also some content which I didn’t need, but I realized it was possible to drop and recreate everything the way I wanted to. All services and application pools are now running under local accounts, which is fine for my development needs. Really, Microsoft… I hope this will bring light to someone facing the same problems!

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  • Merge Word Documents (Office Interop & .NET), Keeping Formatting

    - by mbmccormick
    I'm having some difficulty merging multiple word documents together using Microsoft Office Interop Assemblies (Office 2007) and ASP.NET 3.5. I'm able to merge the documents, but some of my formatting is missing (namely the fonts and images). My current merge code is shown below. private void CombineDocuments() { object wdPageBreak = 7; object wdStory = 6; object oMissing = System.Reflection.Missing.Value; object oFalse = false; object oTrue = true; string fileDirectory = @"C:\documents\"; Microsoft.Office.Interop.Word.Application WordApp = new Microsoft.Office.Interop.Word.Application(); Microsoft.Office.Interop.Word.Document wDoc = WordApp.Documents.Add(ref oMissing, ref oMissing, ref oMissing, ref oMissing); string[] wordFiles = Directory.GetFiles(fileDirectory, "*.doc"); for (int i = 0; i < wordFiles.Length; i++) { string file = wordFiles[i]; wDoc.Application.Selection.Range.InsertFile(file, ref oMissing, ref oMissing, ref oMissing, ref oFalse); wDoc.Application.Selection.Range.InsertBreak(ref wdPageBreak); wDoc.Application.Selection.EndKey(ref wdStory, ref oMissing); } string combineDocName = Path.Combine(fileDirectory, "Merged Document.doc"); if (File.Exists(combineDocName)) File.Delete(combineDocName); object combineDocNameObj = combineDocName; wDoc.SaveAs(ref combineDocNameObj, ref m_WordDocumentType, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing); } I don't care necessarily how this is accomplished. It could output via PDF if it had to. I just want the formatting to carry over. Any help or hints that you could provide me with would be appreciated! Thanks!

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  • Making .net navigation menu role specific

    - by Ricardo Deano
    Hello all. I'm currently using the good ol login control, .net membership & role providers for a web app I'm building. I have a tabbed navigation menu that I want to make role specific i.e. everyones sees 'Home', one role would be able to see additional tabs, another would be able to see three, etc. Doe sthe allow for such a thing? Has anyone created such a navigation menu and could point a newbie in the right direction? Any help gratefully received.

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  • Looking for a .NET 3.5 / J2EE architecture concept comparison article/chart

    - by Edward Tanguay
    We are thinking about combining .NET technology with Java technology (WCF, JBoss/ESB, MOM, WPF, WF) and I need to have a high-level idea of what are the apples and oranges in the .NET 3.5 and Java worlds. Does anyone know of a good, clear article or better yet a simple chart which answers questions such as: WCF in the Java world is __ the equivalent of WPF in the Java world is _ the closes thing to JBoss in the .NET world is _ the JVM and CLR are essentially the same except for these differences: .... in the Java world you don't have the concept of WF/WCF/WPF, instead you have .... there is no "LINQ" in the Java world yet, but you can use ___ the closest you get to ADO.NET Data Services in the Java world is .... I'm not looking to debate this so I'm not looking for "fighting points", I just need a neutral what-is-what chart comparing the two worlds.

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  • How do I locate a particular word in a text file using .NET

    - by cmrhema
    I am sending mails (in asp.net ,c#), having a template in text file (.txt) like below User Name :<User Name> Address : <Address>. I used to replace the words within the angle brackets in the text file using the below code StreamReader sr; sr = File.OpenText(HttpContext.Current.Server.MapPath(txt)); copy = sr.ReadToEnd(); sr.Close(); //close the reader copy = copy.Replace(word.ToUpper(),"#" + word.ToUpper()); //remove the word specified UC //save new copy into existing text file FileInfo newText = new FileInfo(HttpContext.Current.Server.MapPath(txt)); StreamWriter newCopy = newText.CreateText(); newCopy.WriteLine(copy); newCopy.Write(newCopy.NewLine); newCopy.Close(); Now I have a new problem, the user will be adding new words within an angle, say for eg, they will be adding <Salary>. In that case i have to read out and find the word <Salary>. In other words, I have to find all the words, that are located with the angle brackets (<). How do I do that?

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  • How to stop .Net HttpWebRequest.GetResponse() raising an exception

    - by James
    Surely, surely, surely there is a way to configure the .Net HttpWebRequest object so that it does not raise an exception when HttpWebRequest.GetResponse() is called and any 300 or 400 status codes are returned? Jon Skeet does not think so, so I almost dare not even ask, but I find it hard to believe there is no way around this. 300 and 400 response codes are valid responses in certain circumstances. Why would we be always forced to incur the overhead of an exception? Perhaps there is some obscure configuration setting that evaded Jon Skeet? Perhaps there is a completely different type of request object that can be used that does not have this behavior? (and yes, I know you can just catch the exception and get the response from that, but I would like to find a way not to have to). Thanks for any help

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  • Telesharp – An Application Repository for .NET applications

    - by cibrax
    A year ago, we released SO-Aware as our first product in Tellago Studios. SO-Aware represented a new way to manage web services and all the related artifacts like configuration, tests or monitoring data in the Microsoft stack. It was based on the idea of using a lightweight SOA governance approach with a central repository exposed through RESTful services. At that point, we thought the same idea could be extended to enterprise applications in general by providing a generic repository for many of the runtime or design time artifacts generated during the development like configuration, application description or topology (a high level view of the components that made up a system), logging information or binaries. It took us several months to give a form to that idea and implement it as a product, but it is finally here and I am very proud to announce the release today under the name of “TeleSharp”. Telesharp provides in a nutshell the following features, 1. Configure your application topology in a central repository. Application topology in this context means that you can decompose your application and describe it in terms of components and how they interact each other. For example, you can tell that the CRM system is made up of a couple of WCF services and a ASP.NET MVC front end. 2. Centralize configuration for your applications and components.  You can import existing .NET configuration sections into the repository and associate them to the different components. In addition, environment overrides are supported for the configuration sections. We provide tooling and extensions in Visual Studio for managing all the configuration, and a set of powershell commands for automating the configuration deployment. 3. Browse all the assemblies and types remotely in your application servers in a web browser using an interface similar to any of the existing .NET reflection tools. You can easily determine this way whether the server is running the correct version of your applications. 4. Centralize logging and exception management into the repository. You get different reports and a pivot viewer experience for browsing all the different logging information generated by your applications. In addition, TeleSharp provides different providers for pushing the logging information to the central repository using well-known frameworks like ELMAH, Log4Net, EntLib or even Windows ETW.  The central repository itself is implemented as a set of OData services that any application can easily consume using regular Http. You can read more details in this introductory post If you think this product can be a good fit in your organization, you can request a trial version in our Tellago Studios website.

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  • Alternatives to CAT.NET for website security analysis

    - by Gavin Miller
    I'm looking for an alternative tool to CAT.NET for performing static security scans on .NET code. Currently the CAT.NET tooling/development is at a somewhat fragile stage and doesn't offer the reliability that I'm looking for. Are there any alternative static code analyzers that you use for detecting security issues?

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  • .Net User Messaging System

    - by bechbd
    I am wondering if there is a framework out there for .NET to help me with sending messages to users. I would love to be able to write all my messages to a single repository. I would then like to be able to send these messages out to a user based on preferences that they set. e.g. I would like to be able to send a Notification A out to user A via email and text message and send Notification B to user B via SMS and IM. Any thoughts on if something like this exists or would I need to write it?

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