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  • "Reference required" error when referencing NServiceBus assembly from another project

    - by cwegrzyn
    We are trying to write an application that uses the NServiceBus library in a VB.NET environment. We've been stymied by errors similar to the following: Reference required to assembly 'NServiceBus, Version=2.0.0.1071, Culture=neutral, PublicKeyToken=9fc386479f8a226c' containing the implemented interface 'NServiceBus.IMessageHandler`1'. Add one to your project. Our project already includes references to NServiceBus.dll and NServiceBus.Core.dll from the same NServiceBus 2.0 RC2 distribution. Steps to reproduce: Create a new VB Class Library Project (.NET 3.5) Add NServiceBus.dll and NServiceBus.Core.dll as References. Put the following code in Class1.vb: Imports NServiceBus.Sagas.Impl Class Test Public Function Foo() As SagaMessageHandler Return Nothing End Function End Class You should now see the compiler error mentioned above. An identical project written in C# has no compile errors. Any ideas about how to solve this problem? (And, yes, my preferred solution is switching to C#, but no, that's not an acceptable one at the moment.)

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  • Storing a reference to an object in C#

    - by Jack
    I was wondering how one could store a reference to an object in .net. That is, I would like something like the following code (note, of course, that the following code may be way off from how to actually do it): class Test { private /*reference to*/ Object a; public Test(ref int a) { this.a = a; this.a = ((int)this.a) + 1; } public Object getA() { return this.a; } } /* * ... */ static void Main(string[] args) { int a; a=3; Test t = new Test(ref a); Console.WriteLine(a); Console.WriteLine(t.getA()); Console.ReadKey(); } To produce the following output: 4 4 Ideally, I would like to do this without writing a wrapper class around the integer. In other words, I think I want pointers in .Net.

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  • I Clean Solution'd my Winform App and now it's broken...

    - by Refracted Paladin
    I have a Winform App that uses a 3rd Party Library of Controls, DevExpress. I also created a bunch of Controls myself, extending those controls. Everything has been working fine when all of a sudden I opened VS today and on the Design Page all my extended controls were missing. I then tried rebuilding to no avail. Then I tried Cleaning and Rebuilding and made it even worse. Now I have tons(520) of erros stating things like -- Error 179 The name 'datBirthDate' does not exist in the current context D:\Documents\Visual Studio 2008\Projects\MatrixReloaded\MatrixReloaded\Controls\Member\ucGeneral.cs 339 17 MatrixReloaded also if I try to open a form or user control in Design Mode I first get this -- could not find type, "MyType" please make sure that the assembly that contains this type is referenced and then, if I click Ignore and Continue I get this for all Forms and Contros when I try and look at them in Design Mode -- Exception of type System.OutOfMemoryException was thrown Help!?!? When I googled I came across mostly references to VS 2003...I am on 2008 sp1.

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  • c# const in jQuery?

    - by Cristian Boariu
    Hi guys, I have this piece of code in javascript: var catId = $.getURLParam("category"); In my asp.net and c# code for "category" query string i use a public const: public const string CATEGORY = "category"; so if i want to change the query string parameter to be "categoryTest" i only change this const and all the code is updated. Now the question is: how can i do something similar for the javascript i have in the same application (so i want to use the same constant)? I mean i want something like this: var catId = $.getURLParam(CQueryStringParameters.CATEGORY); but because there are none asp.net tags, my const is not interpreted... Any workaround?

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  • Are view models used in rails?

    - by Valentin Vasilyev
    I'm starting to develop a small application in ruby on rails and many questions arise. I should say that I have about 1 year of experience with ASP.NET MVC and feel at home with models views and controllers. I've been using view models extensively (with the help of AutoMapper) and now wondering if view models are used similarly in rails camp. From various examples (rails casts mainly) I've gathered that it is common to either combine data from multiple models right in your view (which is frowned upon in ASP.NET MVC), or to use virtual attributes on models to obtain "missing" data. I know that business model should not be modelled after UI needs, for example there should not be a 'password confirm' property in your model, this should be a view model property. Rails virtual properties seem to violate this principle. How is it done in rails? Thanks.

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  • Visual Studio: What approach do you use to 'template' plumbing for similiar projects?

    - by Sosh
    When building ASP.NET projects there is a certain amount of boilerplate, or plumbing that needs to be done, which is often identical across projects. This is especially the case with MVC and ALT.NET approaches. [I'm thinking of things such as: IoC, ORM, Solution structure (projects), Session Management, User Management, I18n etc.] I would like to know what approach you find best for 'reusing' this plumbing accross projects? Have a 'master solution' which you duplicate and rename somehow? (I'm using a this to a degree at the moment, but it's fairly messy. Would be interested how people do this 'better') Mainly rely on Shared Library projects? (I find this appropriate for some things, but too restrictive for things that have to be customised) Code generation tools, such as T4? (Similar to the approach used by SharpArchitecture - have not tried this myself) Something else? Thanks for sharing your experiences!

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  • PagedDataSource does not support serialization - how can I enforce this ?

    - by Darkyo
    Sounds like I want to override a physics law, but at least it is the most reasonnable solution, cpu / HDD and Ram effective for my asp.net project. In fact, I got a pageddataSource and a customDataReader that supports paginated data. The truth is my data are in a viewstate variable, because it is re-used in an update panel. When I intend to use it into my pageddatasource, asp.net 3.5 kills me with a System.Web.UI.WebControls.PagedDataSource' in Assembly 'System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' is not marked as serializable. cool exception... So I'd rather not offend newton because I know he'll always win, but I would need some help to enforce this pagedDataSource law, that seems so unbelievable, except if someone has an explanation.

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  • Windows installer problem

    - by Nagu
    Hi I've deveoped a windows setup applicaiton using c#. When I try to install it in one of my friend's system it is asking about windows installer is not installed and .net framework also not installed messages. How can I install those two things before I install my application. I want to integrate those values into my setup application. How is it possible? Thank you

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  • Get CruiseControl to talk to github with the correct public key.

    - by Danny Lister
    Hi All, Has anybody installed git and ControlControl and got CruiseControl to pull from GitHub on a window 2003 server. I keep getting public key errors (access denied) - Which is good i suppose as that confirms git is talking to github. However what is not good is that I dont not know where to install the rsa keys so they will be picked up by the running process (git in the context of cc.net). Any help would save me a lot of hair! I have tried installing the keys into; c:\Program Files\Git.ssh Whereby running git bash and cd ~ take me to: c:\Program Files\Git Current error from CC.net is Error Message: ThoughtWorks.CruiseControl.Core.CruiseControlException: Source control operation failed: Permission denied (publickey). fatal: The remote end hung up unexpectedly . Process command: C:\Program Files\Git\bin\git.exe fetch origin Thanks in advance

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  • DataType for storing a long serial number (10 bytes)

    - by CrimsonX
    We have a device which has a 10 byte serial number which must be read into our application and stored into a .net datatype. In the device it is stored as an unsigned 10-byte (80-bit) number. I don't expect we will be performing any mathematical operations on this number, but only displaying it to the user. The .NET framework doesn't have a built in UNIT128 to store this datatype. My suggestion for storing this datatype is to create a 10 element byte array and read in the data into this array. Are there any better solutions to this problem? Note: I have seen in this question that a GUID is a 128 byte signed integer, but it seems like a bad idea to use a GUID in this fashion. Any other suggestions?

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  • ValidatorEnable is not defined when rolled with AJAX

    - by tigermain
    I have some webforms which have been working fine with various static and dynamically generated validators. For some reason now that I have implemented UpdatePanels on the forms, when I manually call the ValidatorEnable() method on one of them (when I click a checkbox) I get the "ValidatorEnable is not defined" error message. I am passing the same clientID etc into the method that I was using before I implemented the AJAX.net controls It would seem .net isnt rendering the /WebResource.axd?d=aUu4P3dfjWWyw3KQ9t2ZdqxnzYhrtq9uWWiRZduXE-g1 script to the page, adding it manually I get other missing JS objects. So how can I force it to register the relevant scripts? N.B. The validators in question are being rendered in a repeater

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  • SQL Server and iPad app interaction

    - by Phanindar
    I have to write an app for iPad that would take data from SQL Server and post it to the iPad. I looked up on this over the Internet and found that i have to write a web service to expose the data from SQL server using ASP.NET. I did an app previously in android that would take data from my dropbox a/c and display it to the user. I made use of the drop-box api available. I was wondering if anything like that exists for SQL? Also, i have to code in Obj-C for the iPad, so how will i write ASP.NET code? I have more doubts. Thanks in advance.

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  • Performance problem Loading Dataset inside a virtual.

    - by ShaneH
    Host Configuration: HP EliteBook 8530w 4G Ram Win7 Ultimate 64Bit RC SQL Server 2005 64bit Developer Edition Virtual: Windows Virtual PC 1G Ram allocated Integration Services installed Windows XP 64bit Up to date service packs and .Net framework through 3.5 SP1 Sharing the Gigabit network adapter of the Host I have a simple .Net console application which loads a dataset of approximately 37K rows. Running the application on the host executes in approximately 4 seconds. Running inside the virtual takes 729 seconds. The size of the application grows to about 65Mb when the dataset is finished loading, no calculated columns or event handlers are attached. [edit] I changed the virtual to use a loopback adapter to communicate with the host and performance is now on par with running on hardware. Any ideas as to why it would going over the network adapter be almost 200x longer? TraceRt shows that the connection is only one hop. Thanks, Shane Holder

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  • Beginning VSTO development

    - by idazuwaika
    Hi, I'm quite confused with what are the necessary tools for VSTO develpment. Specifically I want to manipulate Excel 2003/2007 documents programmatically. I did quite a lot of VBA before, if you want to relate any answer to that. Few questions I have about VSTO: Can I use Visual Studio 2008 Express Edition C#/C++ for this? Do I need to have .NET framework installed? Does the resulting VSTO program need to have a copy of Office installed in the same system to run? Direct links to the relevant tools/plugins/IDE will be appreciated. Note: I'm totally new to VSTO and .NET but an Office power user. Have experience with COM programming. Thanks.

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  • Is Lightweight Code Generation (LCG) dead?

    - by Greg Beech
    In the .NET 2.0-3.5 frameworks, LCG (aka the DynamicMethod class) was a decent way to emit lightweight methods at runtime when no class structure was needed to support them. In .NET 4.0, expression trees now support statements and blocks, and as such appear to provide sufficient functionality to build just about any functionality you could require from such a method, and can be constructed in a much easier and safer way than directly emitting CIL op-codes. (This statement is borne from today's experimentation of converting some of our most complex LCG code to use expression tree building and compilation instead.) So is there any reason why one would use LCG in any new code? Is there anything it can do that expression trees cannot? Or is it now a 'dead' piece of functionality?

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  • Problem deriving a user control from an abstract base class in website project

    - by Sprintstar
    In a Visual Studio website, I have created a user control. This control is derived from a class (in App_Code) that is itself derived from System.Web.UI.UserControl. This is an abstract class with an abstract method. I then try to implement that method in the user control, but I get the following errors from Visual Studio: Error 1 'WebUserControl.AbstractMethod()': no suitable method found to override C:\Users\User\Documents\Visual Studio 2010\WebSites\Delme\WebUserControl.ascx.cs 10 28 C:\...\Delme\ Error 2 'WebUserControl' does not implement inherited abstract member 'AbstractBaseClass.AbstractMethod()' c:\Users\User\AppData\Local\Temp\Temporary ASP.NET Files\delme\0eebaa86\f1a48678\App_Web_nrsbzxex.0.cs 14 Error 1 says that my override of the abstract method is invalid, it doesn't recognise the abstract method in the base class. Error 2 says that the partial class automatically built by asp.net doesn't implement the abstract method! Note that this works fine when the code is used in a Web Application project. Why is this happening?

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  • How do I stop server control attributes being HTML encoded?

    - by Billious
    I'm trying to alter the onmouseover attribute of a HyperLink server control, but when I do so the JavaScript call I'm entering gets HTML encoded. For example: linkBooks.Attributes("onmouseover") = "changeImages(""books"", ""/images/common/books-dark.png""); return true;" Gets converted to: onmouseover="changeImages(&quot;books&quot;, &quot;/images/common/books-dark.png&quot;); return true;" How do I prevent this? The same code worked fine under VS2005 and .NET 2.0, I'm currently using VS2010RC and .NET 4.0.

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  • class vs structure c#

    - by Enriquev
    I'm doing course 3354 (Implementing System Types and Interfaces in the .NET Framework 2.0) and it is said that for simple classes, with members variables and functions, it is better to use a struct than a class because of overhead. I have never heard of such a thing, what is the validity of this claim?

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