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• ASP.NET Long Process and Sending updates to Browser

  - by user204588

  Hello, I've asked this before but I was hoping for another answer and perhaps some code samples because I've been having a difficult time with this. I have an asp.net page. The user hits the "Run" button and I have code IN AN ASSEMBLY, not in the APP_CODE folder that is called and runs a long process that moves product info from a file into the database. While the user waits, I would like them to see status updates like what product the import process in on and status info. I'm assuming I'd break off into another thread and use Ajax but I have no idea how to do this. Some code samples would be very helpful, thanks.

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• Binding Properties.Settings to Textbox fails

  - by user268098

  I would like to define a key & value in Settings.settings and bind the value by declaration in the XAML (not in the code behind by command). Here's what I've been trying in vain: Create a WPF project "Exp1" with Visual Studio Express 2010. Set one key named "TextFromSettings" to the value "Some Text from Setting". Add the attribute xmlns:p="clr-namespace:Exp1.Properties;assembly=Exp1" to the tag. Add Text="{Binding Path=TextFromSettings, Mode=TwoWay, Source={x:Static p:Settings.Default}}" to the tag Now, the preview window shows the text, however, the compiler fails: "Error 1 Cannot find the type 'Settings'. Note that type names are case sensitive." Where am I going wrong?

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• Looking for Info on a Javascript Testing framework

  - by DaveDev

  Hi Can somebody fill me in on JavaScript Testing Frameworks? I'm working on a project now and as the JS (Mostly jQuery) libraries grow, it's getting more and more difficult to introduce change or refactor, because I have no way of guaranteeing the accuracy of the code without manually testing everything. I don't really know anything about JavaScript Testing Frameworks, or how they integrate/operate in a .Net project, so I thought I'd ask here. What would a good testing framework be for .Net? What does a JavaScript test look like? (e.g. with NUnit, I have [TestFixture] classes & [Test] methods in a ProjectTests assembly) How do I run a javascript test? What are the conceptual differences between testing JS & testing C#? Is there anything else that would be worth knowing? Thanks Dave

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• Visual Studio - how to create two projects using the same sources

  - by mack369

  My solution consists of 2 executable projects and a couple dlls. Project1 is a Smart Device Project, Project2 is a Windows Forms Project. Both projects use the same libraries, the reason of that is I want to test my libraries on PC before I deploy it on the device. The problem is that the DLL project type can be Smart Device Class Library or Class Library, not both. I cannot add a reference from SD project to WF and vice versa. I was able to add reference from SD project to a dll file (generated from Class Library project) instead of the project itself, but for some reason I got the message "cannot load XXX type from YYY assembly". It doesn't depend on my code, because when I created separate project for the same sources, everything was fine. The only solution I've found is to create 2 types of projects for each library, but I don't know how to make 2 projects based on the same sources.

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• Dynamically create labels in gas macros?

  - by pgod

  Hi everyone, I would like to dynamically create a set of labels in an assembly function using a gas macro. I would like to do something like this: .macro set_up_jumptab_entry prefix, from=0, to=10 .quad \prefix_\item .if \to-\from set_up_jumptab_entry \prefix,"(\from+1)",\to .endif .endm set_up_jumptab_entry myfunc 0 10 Here \prefix_\item would be something like myfunction_7. Now, I can find lots of examples of recursive invocation, but I haven't found one of just label concatenation involving passed-in macro arguments. Gas is quite poorly documented, so answering this question is difficult for me. Can you concatenate arguments to macros with other tokens to make single tokens? What's your favorite gas assembler reference?

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• MacOSX: OSAtomic vs OSAtomicBarrier

  - by anon

  For the functions here: #include <libkern/OSAtomic.h> there are OSAtomic and OSAtomicBarrier versions. However, the documentation does not show sample code for: When is it safe to use just OSAtomic, without the OSAtomicBarrier version When is it that OSAtomic would be unsafe, but OSAtomiBarrier would be safe. Can anyone provide explainations + sample codes? [Random ramblings of "your opinion" without actual code is useless. Readers: please down vote such answers; and vigrously upvote answers with actual code.] [C/C++ code preferred; Assembly okay too.]

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• Generating dynamic C# based on textual data into the runtime?

  - by WeNeedAnswers

  Is there a quick and easy way to load textual C# into a program. I would like to load the LINQ from the database as an Expression and run it against some data (SQL or Array/List don't mind). I know I can do it using the C# CodeDom/ExpressionTree builder with Assembly Loading and Creating AppDomains, but this seems very long winded. Is there an easier way. I thought with the advent of .net 3.5 that the ExpressionTree would come to my aid, but I now realise that I have to write a parser to use this. Maybe there is a new trick in 4.0? Something along the lines of a dynamic languages Parse would be great. Any suggestions greatly appreciated.

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• ASP.Net MVC Web App not running

  - by Aidan Host

  Hi, I developed an ASP.Net MVC v1 web application and it ran fine on our server. The client wanted to move to another server, and the site does not run on the new host's server. The new server specs: Windows 2008 ASP.Net Framework v4 ASP.Net MVC 2 (afaik its included with .Net v4) IIS 7.5 (afaik) Error Message: Could not load file or assembly 'System.Web.Mvc, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified. My understanding is that it should be backwards compatible. Is the app really trying to run in ASP.Net MVC v1 when v2 is available? I have already tried deploying the MVC .dlls to the Bin folder, but it did not work. I also tried changing all the system.Web.Mvc Version values (in the web.config for the web app) from 1.0.0.0 to 2.0.0.0, which also did not work. Any assistance will be greatly appreciated.

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• Value cannot be null in sportstore exampe

  - by Naim

  Hi everyone, I am having this problem when I want to implement IoC for sportstore example. The code public WindsorControllerFactory(){ container = new WindsorContainer( new XmlInterpreter(new ConfigResource("castle")) ); var controllerTypes= from t in Assembly.GetExecutingAssembly().GetTypes() where typeof(IController).IsAssignableFrom(t) select t; foreach (Type t in controllerTypes) container.AddComponentLifeStyle(t.FullName, t, LifestyleType.Transient); } protected override IController GetControllerInstance(Type controllerType) { return (IController)container.Resolve(controllerType); } } The error said that the value cannot be null in the GetControllerInstance Any help will be appreciated ! Thanks! Naim

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• Why only the constant expression can be used as case expression in Switch statement?

  - by sinec

  Hi, what is bothering me is that I can't found an info regarding the question from the title. I found that assembly form the Switch-case statement is compiled into bunch of (MS VC 2008 compiler) cmp and je calls: 0041250C mov eax,dword ptr [i] 0041250F mov dword ptr [ebp-100h],eax 00412515 cmp dword ptr [ebp-100h],1 0041251C je wmain+52h (412532h) 0041251E cmp dword ptr [ebp-100h],2 00412525 je wmain+5Bh (41253Bh) 00412527 cmp dword ptr [ebp-100h],3 0041252E je wmain+64h (412544h) 00412530 jmp wmain+6Bh (41254Bh) where for above code will in case that if condition (i) is equal to 2, jump to address 41253Bh and do execution form there (at 41253Bh starts the code for 'case 2:' block) What I don't understand is why in case that,for instance, function is used as 'case expression', why first function couldn't be evaluated and then its result compared with the condition? Am I missing something? Thank you in advance

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• Self Modifying Code

  - by Betamoo

  I am recently thinking about writing self-modifying programs, I think it may be powerful and fun... So I am currently looking for a language that allow modifying program own code easily.. I read about C# and the ability to compile -and execute- code in runtime, but that is too hurting.. I am also thinking about assembly... it is easier there to change running code but it is not very powerful... Can you suggest me a powerful language -or a feature- that support modifying code in runtime..? Hint: That what I mean by modifying code in runtime Start: a=10,b=20,c=0 label1: c=a+b .... label1= c=a*b goto label1 Thanks

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• Where does the compiler store methods for C++ classes?

  - by Mashmagar

  This is more a curiosity than anything else... Suppose I have a C++ class Kitty as follows: class Kitty { void Meow() { //Do stuff } } Does the compiler place the code for Meow() in every instance of Kitty? Obviously repeating the same code everywhere requires more memory. But on the other hand, branching to a relative location in nearby memory requires fewer assembly instructions than branching to an absolute location in memory on modern processors, so this is potentially faster. I suppose this is an implementation detail, so different compilers may perform differently. Keep in mind, I'm not considering static or virtual methods here.

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• Losing scope for DataContex using LINQToSQL intermediately

  - by greektreat

  I am having a weird Situation with my DataConext. All My code is in C# I have a DLL project for my data access layer and business Layer which and Winforms project for my UI layer. My Data access Layer's Namespace is xxx.Data this is where have my xxx.dbml I also have xxx.Data.BusinessObjects name space of course for my business object in that project In my UI Layer I have these namespaces xxxApp(for Forms), xxxApp.Controls (For Controls) I have lost scope of the DataContext, it was accessible now when I do a Rebuild Solution I sometimes get compile errors saying for example: Error 34 'xxx.Data.xxxDataContext' does not contain a definition for 'SubmitChanges' and no extension method 'SubmitChanges' accepting a first argument of type 'xxx.Data.xxxDataContext' could be found (are you missing a using directive or an assembly reference?) Also intelisense doesn't recognize the methods and table classes from my xxxDataContext anymore I can access all object fine when I am in the DLL project but now in the Winforms project this is very strange. If anyone can help me out I would be extremely grateful!

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• How to setup Expression Blend 3 add-in window at certain position ?

  - by j23tom..pl

  For example in Sketchflow add-in there is ApplicationFlowPane (derrived from PrototypingPane) which registers itself using IWindowService like this: service.RegisterPalette(this.PaletteRegistryName, this, this.Caption, this.KeyBinding); But i can't see where it is defined that it is docked on bottom pane. Before someone replies that it's at: %AppData%\Microsoft\Expression\Blend3\Workspaces No it's not there because those files do not exists at first run. The question is how can i put my window at certain position with Expression Blend 3 plug-in api ? update 1: It seems that to achive what i want i have to change design.xaml (where workspaces are defined) which is loaded from satellite assembly Microsoft.Expression.Blend.resources.dll (method load in class FrameworkPackage in Microsoft.Expression.Blend.dll). But since this dll is strongly named i can't change it. So now the question is. Is there any other way I can change Design Workspace at runtime ?

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• Is there a way to reference a certain class/interface/... by enclosing it with its namespace rather than a using directive "using namespace_name" ?!

  - by Ahmed

  Is there a way to reference a certain class/interface/... by enclosing it with its namespace rather than a using directive "using namespace_name" ?! As, I'm working on a website, which uses SAP .NET connector. I already added a reference for connector ddl, and while referencing its namespace "using namespace_name", or set class namespace to another one rather than connector namespace, I got error regarding connector classes with that error message "The type or namespace couldn't be found, are you missing a using directive or an assembly reference?". But while changing namespace name to connector namespace, everything is going well?! // Set namespace to be IDestinationConfiguration interface namespace. namespace SAP.Middleware.Connector { public class ConnectorConfiguration : IDestinationConfiguration { } } So, connector types forced me to set namespace of class to their namespace! Is this possible? If so, how?

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• Choosing between assembler and COBOL

  - by Azares Cob

  I have to rewrite and greatly modify parts of a legacy COBOL application. The COBOL source-code is available (around 100.000 lines of copy & pasted code mixed with GOTOs). Some more details on the system: It is a general management system controlling transactions, bank management, customer data and employees of the company I work for. The COBOL-powered database is about 4 Terabytes distributed over 50 old HDDs. (But messing around with them is the sysadmins job) They are using COBOL85 only. Now I have two options: Rewrite and refactor 50% of the old COBOL system, or use X86 assembly. Should I use X86 assembler or COBOL?

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• What's the "right" way to get Win32 p/Invoke declarations?

  - by Daniel Earwicker

  I typically use the site http://www.pinvoke.net/ to grab a DllImport declaration whenever I need to call a Win32 API, and I've noticed it's the de facto standard response on Stack Overflow to API interop questions. Is this what "everyone" does? Is there a better way? Does Microsoft offer an alternative? e.g. a tool that reads .h files and outputs an assembly. Why aren't there some standard assemblies that just expose all the Win32 APIs? What would be the barrier to creating them and using them, as an alternative to a site like pinvoke.net?

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• .Net - interop assemblies taking 15 seconds to load when being referenced in a function

  - by Jon

  This is a C# console application. I have a function that does something like this: static void foo() { Application powerpointApp; Presentation presentation = null; powerpointApp = new Microsoft.Office.Interop.PowerPoint.ApplicationClass(); } That's all it does. When it is called there is a fifteen second delay before the function gets hit. I added something like this: static void MyAssemblyLoadEventHandler(object sender, AssemblyLoadEventArgs args) { Console.WriteLine(DateTime.Now.ToString() + " ASSEMBLY LOADED: " + args.LoadedAssembly.FullName); Console.WriteLine(); } This gets fired telling me that my interop assemblies have been loaded about 10 milliseconds before my foo function gets hit. What can I do about this? The program needs to call this function (and eventually do something else) once and then exit so I need for these assemblies to be cached or something. Ideas?

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• C# COM+ component isn't getting the constructor string

  - by Kyle W

  I've created a COM+ component in C# with a strong name, COM Visible, ProgId, etc... I've then registered the assembly with regasm, and imported it into the COM+ Applications in Component Services. It runs just fine, and loads up the DLL, except that the constructor string that is passed in is always empty. The method signature is protected override void Construct(string constructString), and it is being called before the method on the actual component. In the component details in COM+ Applications, the constructor string is checked and a value is entered. Any help is appreciated.

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• WiX - How do I prevent ComPlusAssembly being unregistered during uninstall?

  - by Duncan Watts

  As part of my Installer, I am adding files to an existing COM+ package. I have defined a ComPlusApplication underneath my Product element, which has the name set to a property - I then have a custom action which looks up that property - all good so far. When the installer adds the files, within the same component I have added a ComPlusAssembly which adds the assembly to the ComPlusApplication I defined above - this is also working correctly. When uninstalled however, I am receiving an error related to being unable to find the COM+ application, this is because I am not running my custom action to look up the name of the COM+ package. Basically I do not want to remove my files or unregister the component package as part of the uninstallation process - How do I achieve this? I am using WiX 3.0 with VS2008. Thanks

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• Performance problem loading lots of user controls

  - by codymanix

  My application is loading a bunch of the same user control into a ScrollPanel. The problem is, this is very slow. The profiler show that the method Application.LoadComponent(), which is called internally by in the designer code in the constructor of my user control, is the bottleneck. The documentation of this method says, that this method load XAML files. I alway though the compiler compiles XAML to BAML and embedds it into the assembly. So the question is, how can I use BAML instead of XAML? Is there another way to make loading my user controls faster?

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• Can an appdomain be restricted to one directory?

  - by Caerbanog

  I am developing a plugin host. The plugins should have as little trust as they need, however I want to have the possibility for a plugin to read and write files. Can the AppDomain where the assembly will be loaded be restricted to have access to only one directory for reading and writing? Other options and ways to go about this are also appreciated like for example easy ways to stream file data from the host to the plugin (reading) and from the plugin to the host (writing). If its relevant: I am using the MAF infrastructure for the plugins. http://msdn.microsoft.com/en-us/library/bb384200.aspx

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• Asp.net project is not recognising one of the folders in my class library.

  - by Rachel

  I am developing a project using Visual Studio 2008 in C#, I have added the class library within the project and set up the relevant references and used the relevant using statements. It seems to be a problem with just this one folder. can anyone help? this is the error message: Error 28 The type or namespace name 'Domain' does not exist in the namespace 'Forestry.SchoolLibrary' (are you missing an assembly reference?) C:\Projects\SchoolofForestry\trunk\Source\School\Account\Presenter\EditAccountPresenter.cs 26 40 School these are my using statements: using System; using System.Collections.Generic; using System.Configuration; using System.Linq; using System.Data.Linq; using System.Text; using System.Xml; using Forestry.SchoolLibrary.Core.Domain; using Forestry.SchoolLibrary.Properties;

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• .NET 3.5 SP1 Code from Network - "The system cannot find the file specified."

  - by DaMoose

  This issue has nothing to do with whether the assemblies have been signed or caspol has been run for the shared network folder. Apparently, the location of the files is the issue, but I cannot find what the real problem is. I have one executable that references 5 dll's. I can run the app from a local drive without any problem. When I run the app from a network share, I get an error stating that "Could not load file or assembly 'homer, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified." If all the files are in the same folder, what is the error really telling me? I should note also that the framework used is 3.5 SP1, which does not require changing code access policy. I had tried that anyhow, and I received the same error in both cases. Thanks, DaMoose

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• Visaul Studio 2010, TlbImp generates .net 4.0 interops in 2.0 projects

  - by DJScrib

  In a C# project we add a reference to a COM object via the Add References setup pointing to a COM object which results in the IDE auto-generating the interop assembly. So this is fine and good, but we are building based on .net 3.5 SP1 aka CLR 2.0, and the generated interops are using the 4.0 CLR making them incompatiable. Is there a way to prevent this? I assume the other option is in our build script to try using tlbimp.exe with the /references parameter? to point to mscorlib v2.0? Anyhow, I'm hoping there's a flag somewhere to allow this.

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