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• XAML Namespace http://schemas.microsoft.com/winfx/2006/xaml is not resolved

  - by Justin Poliey

  I'm using Visual Studio 2010 Express, working on a Silverlight 4 project in C#. This started happening all of a sudden in my project, I get the error that this XAML Namespace is not resolved: XAML Namespace http://schemas.microsoft.com/winfx/2006/xaml is not resolved If it helps, here is the section of the XAML file in which the error is being raised: <ResourceDictionary xmlns:my="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Toolkit" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:GetGlue="clr-namespace:GetGluePlugin;assembly=GetGluePlugin" xmlns:System="clr-namespace:System;assembly=mscorlib" xmlns:utils="clr-namespace:Seesmic.Sdp.Utils;assembly=Seesmic.Sdp.Utils"> What could the problem be?

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• Install windows service without InstallUtil.exe

  - by annelie

  Hi, I'm trying to deploy a windows service but not quite sure how to do it right. I built it as a console app to start with, I've now turned it into a windows service project and just call my class from the OnStart method in the service. I now need to install this on a server which doesn't have Visual Studio on it, which if I've understood it correctly means I can't use the InstallUtil.exe and have to create an installer class instead. Is this correct? I did have a look at a previous question, http://stackoverflow.com/questions/255056/install-a-net-windows-service-without-installutil-exe, but I just want to make sure I've understood it correctly. If I create the class that question's accepted answer links to, what is the next step? Upload MyService.exe and MyService.exe.config to the server, double click the exe file and Bob's my uncle? The service will only ever be installed on one server. Thanks, Annelie

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• Any reason why NGEN should hang and never complete for a particular assembly?

  - by Lasse V. Karlsen

  I have a class library project for .NET 3.5 built with Visual Studio 2008. If I try to NGEN the core assembly in this solution file, NGEN never completes, or at least not in the time I've bothered to let it run (like overnight). Has anyone else experienced this? And if so, did you solve it? And if you did, how? What steps did you take? If this is a bug in NGEN, how do I post this to Microsoft? I have a connect account, but where do I post a bug-report for this particular product, instead of a .NET class (which I know where to go for.) The class library in question can be found here: http://svn.vkarlsen.no:81/svn/LVK/LVK_3_5/trunk (subversion 1.6 repository) The problematic assembly is the LVK.Core assembly.

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• LInq to SQL - Partial Class - C#

  - by Mark Comix

  Hi, I have a system with 2 different projects, one is called LINQ_Extensions and the other is ORM_Linq. On ORM_Linq i have the LINQ diagram with the SQL tables "converted" in clases. One of the Class is called "Tipos_Pago" In the other project i have another class (partial class) "Tipos_Pago". I want to use the method OnValidate to validate the properties include in the class "Tipos_Pago", so i create this partial class. In the 2 projects i put the same NameSpace "ORM_Linq"(I changed the NameSpace of the project "LINQ_Extensions" to have the same of the project "ORM_Linq") After those chages, Visual Studio give me this error: Error 1 No defining declaration found for implementing declaration of partial method 'ORM_Linq.Tipos_Pago.OnValidate(System.Data.Linq.ChangeAction)' C..\Tipos_Pago.cs 13 22 Extensiones_Linq I don't have any Idea of what happend, can someone help me? Thanks, sorry for my poor english This is the code in the partial class: namespace ORM_Linq { public partial class Tipos_Pago { partial void OnValidate(System.Data.Linq.ChangeAction action) { //Valid code } } }

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• Problem in running website project

  - by Durga Dutt

  When a run my website project then it gives me error of 'Unable to connect to asp development server'. I am using Visual Studio 2010. Only my website projects are having these prblems. I have tried reinstalling vs2010 . But again & again i m having same problem. Please help me. Thanks in advance & Happy New Year 2011. I wish this will bring a lot of happiness and prosperity in everyone's life.

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• Consuming WCF REST service in multiple ways (.Net, plain XML)

  - by Jan Jongboom

  I have become quite frustrated of WCF as I just want to use this simple scenario: Provide a webservice using REST, with a UriTemplate like /method/{param1}/{param2}/ and a 3th parameter that is sent to the service as XML as POST data. Use just plain XML, no SOAP overhead. Be able to generate a proxy in Visual Studio so a .Net using client can easily use the service (don't care about SOAP overhead here). I can create 1. and 2. but no way I can use 3. I tried adding both webHttpBinding and basicHttpBinding endpoints in my services config; I fooled around with the <services/> tag, but I just can't get this working. What am I missing here?! N.B. I checked out this article: http://stackoverflow.com/questions/186631/rest-soap-endpoints-for-a-wcf-service but nothing what is described there seems to work here?!

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• Operating System Widget Side Project

  - by Calpis

  I want to start on a side project and here's my idea: Whenever the user's mouse is pressed down, I want a small ring around the cursor to show up. I'm mainly doing this to learn more about programming and get myself to think outside of work related materials. My questions are: 1) is there a good source I can reference to start a project that deals with something like this? 2) Is visual studio a sufficient software to create such an application? Or would I need some other tool to do this. 3) What language should I choose to do this task? Thanks in advance!

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• Windows azure deployment

  - by smoothe

  I just built a simple hello world windows azure service containing just one web role, I used visual studio 2008 and Windows azure tools for VS 1.2 I am pretty new to this and I have been trying to deploy an application all afternoon now. I'm in australia and deploying in the region Asia anywhere. I have pretty much followed the info provided on MSDN and it says uploaded 95% then after about ten minutes the deployment disappears. I have tried using the old windows azure developer portal and 30minutes later I can not access the service and it's status is either busy or stopped. I have the introductory offer for an extra small compute instance on the subscription I am deploying to. Can anyone with experience with windows azure elaborate on the subject of deploying apps and the status on my application, I am very keen to get into the platform and this issue has just about spoiled my weekend.

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• some verd problems in qt

  - by prabhakaran

  I am very new to qt, So whatever I facing is either errors or problems. Here goes some of them, 1)Just try to install it in VisualStudio, you will got enough for the day. 2)After you installed it as a separate qt(without embedding it inside visual studio).Open a c++ file in qt, = then you won't get any option to compile it. 3)Create a empty qt4 project like below #include<iostream> using namespace std; int main(int a,char * argv[]) { } Then build it, you will get a error like this C:\qt-greenhouse\Trolltech\Code_less_create_more\Trolltech\Code_less_create_more\Troll\4.6\qt\src\winmain/qtmain_win.cpp:131: undefined reference to `qMain(int, char**)' Can anybody clear any of these problems to me.

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• How do you manage your sqlserver database projects for new builds and migrations?

  - by Rory

  How do you manage your sql server database build/deploy/migrate for visual studio projects? We have a product that includes a reasonable database part (~100 tables, ~500 procs/functions/views), so we need to be able to deploy new databases of the current version as well as upgrade older databases up to the current version. Currently we maintain separate scripts for creation of new databases and migration between versions. Clearly not ideal, but how is anyone else dealing with this? This is complicated for us by having many customers who each have their own db instance, rather than say just having dev/test/live instances on our own web servers, but the processes around managing dev/test/live for others must be similar.

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• Oracle data provider hangs IIS worker process when web site is stopped

  - by Greg

  We're experiencing a nasty issue in Oracle 11g Release 2 where the w3wp process takes over and entire processor core, and debugging shows that the Oracle data provider is throwing ThreadAbortExceptions infinitely. A developer found this issue by doing the following: 1) Browse a web site that uses Oracle data connections locally (http://localhost/OracleWebSite) - we use IIS, not the ASP.NET dev server, for all of our sites. This ensures that the w3wp process is running and that an active Oracle pool of connections exists in the app pool. 2) Stop the web site (or perform a Rebuild All operation in Visual Studio on the web site in question). Our Oracle connection handling in the affected applications (all Oracle web apps) is well-established and robust. This issue does not occur if we disable connection pooling. This issue does not occur in Oracle 11g Release 1.

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• C++ : size of int, long, etc...

  - by Jérôme

  I'm looking for detailed informations regarding the size of basic C++ types. I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler. But are there any standards ? I'm using Visual Studio 2008 on a 32 bit achitecture. Here is what I get : char : 1 byte short : 2 bytes int : 4 bytes long : 4 bytes float : 4 bytes double : 8 bytes I tried to find, without much success, reliable informations telling the sizes of char, short, int , long, double, float (and other types I don't think of) under different architecture and compiler.

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• Create Access databases programatically through vb.net

  - by user87225

  Let me preface this by saying that I know this is a stupid way to go about this, but it needs to be handled in this way. I need to make an application that from a master database creates a number of access database files (tables of a larger db), then these are manually given to users who fill in data, the database files are emailed back to a user who, through the application, combines them again. The only part of this that I am unsure about is problematically creating the access db's. I have read that through Microsoft Jet OLE DB Provider and Microsoft ADO Ext I can create them (the tables and data), but I also need forms. I have yet to start writing anything and this is away from my area of work, so any insight/links would be much appreciated. Also, I would hope to be able to write this in the free express version of visual studio. Are there components needed that would prevent me from this? Thanks.

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• Document key usage in Dictionary

  - by phq

  How can I document the key usage in a Dictionary so that it shows in Visual studio when coding using that object? I'm looking for something like: /// <param name="SpecialName">That Special Name</param> public Dictionary<string,string> bar; So far the best attempt has been to write my own class: public class SpecialNameDictionary : IDictionary<string, string> { private Dictionary<string, string> data = new Dictionary<string, string>(); /// <param name="specialName">That Special Name</param> public string this[string specialName] { get { return data[specialName]; } } } But It adds a lot of code that doesn't do anything. Additionally I must retype every Dictionary method to make it compile. Is there a better way to achive the above?

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• Looking for examples of good IDEs to analyze for Form/Report design

  - by Paul Sasik

  I am working on a basic form/report designer. Some of the features i'm looking to implement are: Single or multiple selection of objects Alignment of objects (when several are selected) Same-sizing of objects (when several are selected) Moving/dragging of selected object(s) Selected object resizing in eight directions (using object grips) For features and look-and-feel I've analyzed and used a mixture of ideas from: MS Visual Studio 200x (most useful so far) Visio Crystal Reports My question is: Have I overlooked some other IDEs that provide these kinds of features that are better and user-friendlier examples of what to do than others i've looked at? (They don't have to be Microsoft products. That's just what i have ready access to.)

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• ssrs column groups disable multiple columns

  - by DKS

  I'm using ASP.NET 4.0 Visual Studio 2010 RC version Sql Server Report Services (SSRS) ReportViewer and are aware that columns only display on PDF export - not the preview. I want to use a matrix embedded in a table on a page that has multiple columns. I've done some testing and frustratingly found that if you have a tablix with at least one grouped column (even if there is only one displayed matrix-like column group) the columns seem to be disabled. Once I remove the tablix with a grouped column from the tablix from the report the report does multiple-columns. Does anyone know a way around this?

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• Suggestions for a C++ IDE?

  - by AedonEtLIRA

  I know this is is a shifty question and really isn't easy to answer, but bare with me. For a while now I have been using Eclipse and doing Java programming. Now that I reach a point where I'm comfortable in Java, I wish to move on back into C++ and actually make something more than a single class that prints to terminal; and work in OpenGL :). So I wonder if anybody has a recomendation of IDE's that resemble or are as fluid as Eclipse? I am aware that Eclipse has a C++ plugin, but it really doesn't feel user friendly (at least to a pampered java programmer!). I have (I think I still have it?) a copy of Visual Studio 2005, but want to see if anyone has any better ideas. Thanks ~Aedon

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• MS WebBrowser + Embedded HTML Resource + res:// Protocol

  - by letthewookiewin

  Hi, I have an embedded HTML resource (helloworld.htm) inside my Visual Studio project. (Ie, I've added an HTML file to the project and set its properties to "Embedded Resource". Within the same application I have a WebBrowser control. I'd like to direct the WebBrowser control to display the HTML resource using the res:// protocol. But I can't figure out the exact format needed to address an embedded resource using this style of URL. Any ideas? Thanks!

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• How to initialise a STL vector/list with a class without invoking the copy constructor

  - by Warpspace

  I have a C++ program that uses a std::list containing instances of a class. If I call e.g. myList.push_back(MyClass(variable)); it goes through the process of creating a temporary variable, and then immediately copies it to the vector, and afterwards deletes the temporary variable. This is not nearly as efficient as I want, and sucks when you need a deep copy. I would love to have the constructor of my class new something and not have to implement a copy constructor just to allocate my memory for the second time and waste runtime. I'd also rather not have to immediately find the class instance from the vector/list and then manually allocate the memory (or do something horrible like allocate the memory in the copy constructor itself). Is there any way around this (I'm not using Visual Studio BTW)?

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• How can I specify a single .config file for multiple EXE projects in .NET

  - by Russ

  I have a project that I am breaking up into multiple .exe projects. I still plan on publishing them, using click once, into the same location at the same time, and I would like to use the same config file. I have added the app.config to each project using the "Add link" option in Visual Studio, which is great for debugging, but in production, when I compile each exe project, the app.config is not copied into the "master project"'s bin folder. example: master.exe with master.exe.config master.exe may launch order.exe based on user settings master.exe may launch returns.exe based on user settings master, order, and returns will all reside in the same folder, and should share a single config file.

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• Entity Framework 4.1 auto generate with DbContext when creating ADO.NET Entity Data Model

  - by smudgedlens

  I would like to work with DbContext instead of ObjectContext. I updated EF so now I have the DbContext, but I want to generate my strongly-typed context based on the DbContext and not the ObjectContext. When I add new ADO.NET Entity Data Model, it is still based on the ObjectContext. Is it not possible to have it base off of DbContext in Visual Studio 2010 with EF 4.1? UPDATE: Okay, I followed the directions in this link and was able to generate the DbContext template objects. However, now it is saying there is ambiguity between the template entities and the entities in my .edmx file. How do I resovle this? Do I blow away the ones in the .edmx file?

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• How do I find the root path of a website from a dll?

  - by Biff MaGriff

  I have a C# website. It references several compiled dlls. My dlls need to access folders on the website. How do I find the root path of the website from the dlls? I've tried System.Environment.CurrentDirectory - "C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE" Assembly.GetExecutingAssembly().Location - C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files...... I was going to use System.Web.HttpContext.Current.Server.MapPath() but System.Web.HttpContext.Current is null. Thanks!

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• "Use windows xp style dpi scaling" disables automatic auto-hide of taskbar on W7. Workaround?

  - by Pelle

  We noticed that on W7 with DPI set to 125% or to 100% with ("Use windows xp style dpi scaling") turned off, our fullscreen mode (which sets the client rect of our window = desktop rect of the main monitor) no longer hides the task bar like it does for other settings. (The setting can be found in the Control Panel\Appearance and Personalization\Display section after clicking on the "Set custom text size (DPI)" link) I found the following interesting article: http://www.mathies.com/weblog/?p=908 So I set out to try to work around the bug in other means than manually hiding/restoring the taskbar visibility but so far I've failed and currently believe it's a bug in W7 (and possibly vista). The following applications also fail to work properly in fullscreen mode (the taskbar is still visible): * Microsoft Visual Studio 2008 * Microsoft Word 2007 * Adobe Reader 9.1.3 These apps work (probably by hiding the task bar through the WIN32 API): * Powerpoint Slide Show I also tried creating a brand new MFC-based app and use its "SetFullScreenMode()" functionality but it fails in the same way as all other apps on the list. Does anyone know of a workaround? Thanks, Per

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• Background thread in C#

  - by Xodarap

  When the user saves some data, I want to spin off a background thread to update my indexes and do some other random stuff. Even if there is an error in this indexing the user can't do anything about it, so there is no point in forcing the main thread to wait until the background thread finishes. I'm doing this from a ASP.NET process, so I think I should be able to do this (as the main thread exiting won't kill the process). When I set a breakpoint in the background thread's method though, the main thread also appears to stop. Is this just an artifact of visual studio's debugger, or is the main thread really not going to return until the background thread stops?

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• 64 bit COM(ActiveX) server

  - by Velja Radenkovic

  Hello, I have activex server exe that was building and registering fine on 32bit OS. I wanted to make 64 bit version of that exe by upgrading project to Visual Studio 2010 and changing platform to X64 which apparently doesn't work. Application itself works but I don't see it registered after running That.exe /RegServer I would appreciate any usable advice on migrating activex from 32 to x64. Code that is processing /RegServer param is below: if(lstrcmpi(lpszToken, _T("RegServer")) == 0) { _Module.UpdateRegistryFromResource(IDR_OUTDISKSARG, TRUE); nRet = _Module.RegisterServer(TRUE); bRun = false; break; } 32 bit activex is unuable for me since I have to load it in x64 .NET process.

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