IDE :: Inconsistent Error "Reference Required To Assembly Containing The Base Class?
Mar 3, 2009
I have a Visual Studio 2008 solution with project A referencing project B as a project reference. Project B references System.Data.Linq, but project A does not. Everything compiles and runs fine. I like this arrangement because avoiding a reference to System.Data.Linq in project A ensures that it uses project B methods instead of directly accessign System.Data.Linq methods, which I want to avoid.
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Jan 25, 2011
I have managed to get ASP.NET Membership mainly working with my SQL server.The problem i'm having is I get an error in VS2010 in my code behind file when attempting to create a user. I get a Red Exclamation mark appear on .CreateUser on the code below.
Error Message:Reference required to assembly 'System.Web.Security.ApplicationServices, Version=4.0.0.0, Culture=neutral,PublicKeyToken=31bf3856ad364e65' containing the type 'System.Web.Security.MembershipUser'. Add one to your project.
Code:
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Try
Membership.CreateUser(r_user_name.Text, r_password.Text)
Label1.Text = "User created"
[code]....
I've tried adding the following to the web.config:Not sure if thats correct!! but i get an error message when I open the page:Parser Error Message: Could not load file or assembly 'System.Web.Security.MembershipUser, System.Web.ApplicationServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e65' or one of its dependencies. The given assembly name or codebase was invalid. (Exception from HRESULT: 0x80131047)
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Oct 27, 2009
im building an application i started it in VB 2008 and i upgraded to VB 2010
then i made some mods and tryed to run the application and then
i get this error
Error2Reference required to assembly 'System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' containing the type 'System.Windows.Forms.Form'. Add one to your project.C:UsersAdminDesktop
[Code].....
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Feb 3, 2010
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.
[Code]...
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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Dec 10, 2010
If we are within the derived class then ofcource we can use MyBase keyword to access base class's object reference . That's fine , how can we take that base class's object reference outside that derived class's definition.My following code will explain what i want . Actually that is giving error right now, but it is explaining my requirement .
Public Class Base
Public x As String
End Class
[code]....
Actually there is error in ReadOnly Property BaseReference's Getter . Error is "Error 1 'MyBase' must be followed by '.' and an identifier. " how can i get base class object reference in Main method ?
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Feb 13, 2012
If we are within the derived class then ofcource we can use MyBase keyword to access base class's object reference . That's fine , how can we take that base class's object reference outside that derived class's definition.
My following code will explain what i want . Actually that is giving error right now, but it is explaining my requirement .[code]...
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Mar 12, 2010
When I do this
Public Class cInherits : Inherits Panel
I get this: Base class 'System.Windows.Forms.Panel' specified for class 'MenuButton' cannot be different from the base class 'System.Windows.Forms.UserControl' of one of its other partial types.
How do I inherit?
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Oct 20, 2010
When I try to compile my VSTO Outlook addin, I get this error:
Reference to class 'RibbonBase' is not allowed when its assembly is linked using No-PIA mode
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Sep 25, 2010
after being disappointed with VB2010, and with the lack of vb support for windows 7 phone, I thought I'd be happy now that vb is going to be supported after all.So, I downloaded the trial version of vs 2010, to run these new tools.Several hours later it finishes installing, and I start a new project only to run into the error: Error: this template attempted to load component assembly "Microsoft.VisualStudio .SmartDevice.ProjectSystem.Base".
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Oct 9, 2008
I've got an exception when I deployed my application: "the located assembly's manifest does not match the assembly reference" What I remember is changing the project name from the previous source code, does it affect that much?
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Apr 8, 2011
I have a class set up to hold values on a registration form (VB.NET, MVC), and among the properties is a Password property:
[Code]...
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Apr 15, 2010
I have put this code in the global form Inherits System.Windows.Forms.Form. And then in the form that will inherit this from the global Inherits MenuStrip. "MenuStrip" is what the global form is called. But keep getting this error: Error1Base class 'MenuStrip' specified for class 'Lesson2' cannot be different from the base class 'System.Windows.Forms.Form' of one of its other partial types.
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Jul 14, 2011
"Warning1Could not resolve this reference. Could not locate the assembly "Dotnetrix.TabControl". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors." and i have no idea how to fix it. i need to use the dotnetrix.tabcontrol.dll for what im trying to do, but i can't build the program. i can debug it though. haha i am a complete newbie to visual basic but this seems to be my only problem so far.
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Apr 17, 2011
I wrote a software for auto-generating some lines of code. However when I do a copy and paste of that code in a class after reopening it again I confront an Inconsistent Line Ending Erros.[code]...
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Oct 1, 2008
I've been creating short test apps repeatedly to try to understand some of the concepts in VB.NET.For the most part it has been illuminating.I read Bucky's .NET knowlegebase tutorial on passing objects as parameters to newly created forms. He shows how to create a new class that inherits from the base form class and define a New() method with parameters Extending the concept I thought about doing the same thing with a form that was created at design-time (In this case Form2).
[Code]...
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Apr 22, 2012
Base class has one field to hold numeric balance value. With 2 methods that accept arguments for adding and subtracting the new input calculating new balance. Sub class has four fields dates, transaction, memo and amount.I have a deposit form, and withdraw form. Each time one transaction is entered it creates an object with sub class fields, then adds to the account collection. My problem is not understanding how to call the deposit/withdraw method and pass the current transaction amount back to the base class to alculate the new balance. Does anyone have any links to information/tutorials on how to perform something like this? As you can see with my code I have tried various different approaches without any success.
[Code]...
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Apr 7, 2011
Supose a base class
Public Class airplane
Private var_num_seats As Integer
Private var_num_engines As Integer
[code]....
Obviously, I don't wish that the class Glider has the method "start_engines" neither the property "num_engines". Otherwise, other child classes may have. How can I supress these property and method in child class, not just ignoring (if I can)?
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Apr 9, 2010
I am trying to create a class in VB.NET which inherits a base abstract class and also implements an interface. The interface declares a string property called Description. The base class contains a string property called Description. The main class inherits the base class and implements the interface. The existence of the Description property in the base class fulfills the interface requirements. This works fine in C# but causes issues in VB.NET.
[Code]...
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Dec 29, 2010
This is another one of my "I think it's not possible but I need confirmation" questions.I have a base class for a bunch of child classes. Right now, this base class has a few common properties the children use, like Name. The base is an abstract class (MustInherit)Technically, this means that everytime a child class is instantiated, it lugs around, in memory, its own copy of Name. The thing is, Name is going to be a fixed value for all instances of a given child. I.e., Child1.Name will return "child_object1", and Child2.Name will return "child_object2".
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Jun 10, 2011
Suppose I have piece of code like this:
Public Interface ISomething
....
End Interface
[code]....
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Sep 25, 2009
I suspect I am being very silly here but I have the following setup
Class MustInherit myBaseClass
'some stuff
End Class
Class myInheritedClassA
[code]....
Running this results in the following error
Unhandled Exception: System.InvalidOperationException:
There was an error generating the XML document. --->
System.InvalidOperationException:
[code]....
is there any way of 'Widening' the inherited class to the base class so this would work?
EDIT:regarding XmlInclude(typeof inheritedClass), currently this method could potentially return a number of types of inherited class (i.e myInheritedClassA and myInheritedClassB) is it case of simply having to add each of the inheritedTypes in this tag?
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Oct 22, 2010
How do I access the base class inside a derived class?
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Sep 3, 2010
What does this error mean? I havent modified anything in the designer code, but its giving me an error? WithEvents variable 'Move' conflicts with event 'Move' in the base class 'Control' and should be declared 'Shadows'. The error relates to Friend WithEvents Move As System.Windows.Forms.DataGridViewCheckBoxColumn
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Jul 19, 2010
[code]The reason that this is a problem is that this is a collection of EventBase objects, but I'm trying to populate it with child classes instead. For example, I might have a JumpEvent class that inherits EventBase, and this is being put into the EventBaseCollection. That means that value.GetType() returns the type of JumpEvent, which as you might guess does not equal the type of EventBase.The goal of course is to simply loop through all of the various events without having to know anything about the sub-classes. Is there a way to determine the type of the base class so that the OnValidate call will work? Or is this just the wrong way to go about it altogether?
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Jun 2, 2009
I understand that inherited classes can't be converted from base classes. But is there any way to write a conversion sub, so that the base class gets assigned to MyBase, then extra properties are added?[code]...
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Nov 18, 2010
I made my first WPF control:
[code]...
On the DataGrid control it says: "the type datagrid was not found, Verify that you are not missing an assembly refernece" I'm creating the control within a Win Forms app. What assembly to I need to include and how do I do that in XAML?
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Sep 28, 2009
I have VS 2005. I am creating a VB .NET class that will interop with a COM app. I want to add a reference to a type lib file (.tlb). So I run the add reference command and use the browse button. I browse to the .tlb file I want and ok out. When I am done, the reference I have is to an assembly in the GAC. But I don't want that assembly as a reference. I want to have the IDE create a private interop assembly that I will deliver with my .NET object.
So how do I avoid hvaing VB .NET pull in an assembly from the GAC instead of creating an interop asm from the typelib I have browsed to?
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Dec 19, 2006
I am using VB.NET 2002 and we have set up a test environment running SQL Server 2005. I am trying to add a reference to Microsoft.SQLServer.ManagedDTS.dll which is required to run a DTS/SSIS package from VB.NET. However the dll does not show in my add reference listing so when I select BROWSE and select the actual DLL I get a rather long error message telling me that only 'dll' and COM components can be referenced.
The exact message is: A reference to 'C:Programs FilesMicrosoft SQL Server90SDKAssembliesMicrosoft.SQLServer.ManagedDTS.dll' could not be added. This is not a valid assembly or COM component. Only assemblies with extension 'dll' and COM components can be referenced.make sure that the file is accessible, and that it is a valid assembly or COM component.
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Aug 13, 2009
I have a pretty complicated project with lots of class files, code modules, etc. There was a changed to one of my referenced DLLs that requires an isolated change in a single Sub within my solution. Unfortunately, this new Sub is not compatible with most of my clients' configuration but is required by some of my other clients. So now I must keep two versions in Source Safe of my solution - which I do not want to do. What I would like to do is to be able to determine which DLL is running and flip a switch to use the either the old Sub or the new Sub. Currently the sub is in a class, but I could break it out. Is it possible to determine which assembly version DLL is running? Also, if I reference the new DLL, the old Sub will not build. If I reference the old DLL, the new Sub will not build. So is there a way to keep both Subs in the same project?
Can I use reflection to know what is the assembly version of a loaded DLL?
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Sep 30, 2010
I have created a shared assemby MyLibray version 1.0.0.1 and installed it in gac. Again I created MyLibrary version 1.0.0.2 and installed it in gac.
See the gac screen shot.
But in Add Reference dialog box only older version 1.0.0.1 is available.
See the screenshot.
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