Asp.net - Added Reference Class Is Still Not Defined?

Oct 28, 2010

I have a web site project where I need to use the System.Security.Cryptography.Xml.SignedXml class. I added the Dll System.Security as a reference and imported the namespace into my project. It compiles successfully but when I debug the project I get a compilation error:

Compiler Error Message: BC30002: Type 'System.Security.Cryptography.Xml.SignedXml' is not defined.

What gives? Edit: I run Windows XP Pro 64bit OS

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Reference To Test.dll But An Error Messege Was Appear A Reference To Test.dll File Could Not Be Added?

May 25, 2009

[code]...

and from VB6 project I reference to Test.dll but an error messege was appear A reference to Test.dll file could not be added (If I create VB NET project and reference to file Test.dll it OK )

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Creating Object Defined In DLL With No Reference

Jul 23, 2010

I have the full path to a dll, but not a reference, where I need to instantiate an object that implements an interface that I've defined. I do have control over the other dll, so I am able to do things like stick a static function in the dll that returns the object I need. I'm just not sure how to call that function, or even if I'm approaching this right.

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Uncaught Reference Error: Activexobject Is Not Defined?

Jun 29, 2011

I am using the activexobject in my project it works fine in IE. I know this is the microsoft control. I want to run the project in Mozila and Chrome but it showing the error as Activexobject is not defined.

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Error - A Reference To C:ProgramFilesMyExes....dll Could Not Be Added

Jan 6, 2011

I'm trying to learn how to call functions in C DLLs from Visual Basic programs. I'm new to VB but have years of experience in C programming & want my functions to be usable by people who are more familiar with VB.

I managed to create a C DLL & call the functions from a C program. One difficulty I had was that I wanted to put my DLLs in a MyExes directory so I could easily have several unrelated programs call them. It was far from obvious how to tell the compiler & linker to look for the DLL in some arbitrary folder but I eventually found out.

[URL]

Now one of my difficulties with DLLs & Visual Basic is how to tell Visual Basic 2010 Express to look for functions in a DLL in some arbitrary folder. I tried to use Project->Add Reference, then in the Browse tab went to the folder & DLL I wanted to use, but got the message box:"A reference to C:ProgramFilesMyExes....dll could not be added. Please make sure that the file is accesible and that it is a valid assembly or COM component."I've tried to find a walkthrough to take me through the steps of using C DLLs in VB 2010, but so far had no luck.

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VS 2008 Reference A New Record Added To SQL?

Aug 12, 2009

What is the best method to reference a new record added to SQL?

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[2008] Reference With Added Control?

Feb 20, 2009

I have two FlowLayoutPanels in a Form. The first read images from a DIR and expose them generating so many PictureBoxes are necessary. The user can drag an image and drop into the second Panel. All works fine. Now the problem is how can I know the name of the image contained in the PictureBox in the dropped Panel so that I can save it? I tried to recover in a ListBox the name of the images during the population of the first Panel but I don�t know witch may be the reference with the dropped PictureBox.

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Added A Reference To System.Data.SqlClient But Cannot Use It

Aug 7, 2010

I have added a reference to the System.Data.SqlClient, but i am not able to use its components while coding, But when i import it in the form class i able to use the component.

So,Is importing a namespace and adding a reference two different things?

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Added Reference; Microsoft Internet Controls (COM Tab)

Jan 8, 2012

I was trying to make my program see if facebook.com was running in internet explorer.

I added the following

Private Function isFaceBookOpen() As Boolean
For Each ie As SHDocVw.InternetExplorer In New SHDocVw.ShellWindows()
Dim filename As String = System.IO.Path.GetFileNameWithoutExtension(ie.FullName).ToLower()
If filename = "iexplore" Then

[code]...

And added reference; Microsoft Internet Controls (COM tab) but i also need to add this reference; Microsoft.mshtml (.NET tab)

Problem is that i can't find that reference. BTW, I want the function to be triggered by a timer.

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ManagementObjectSearcher Is Not Defined Even After Adding System.Management Reference In VB2005 Project?

Oct 18, 2011

I have the following code on the code behind file for a .aspx page in a project:

Dim searcher As New ManagementObjectSearcher("SELECT RemoteName FROM win32_NetworkConnection WHERE LocalName = '" & sFilePath.Substring(0, 2) & "'")
For Each managementObject As ManagementObject In searcher.[Get]()

[code]....

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How To Assign A Different Reference To A Class Instance From Inside The Class Code

Jan 18, 2011

my proble is the following: I have a class MyClass and another class Modifier, which has a method ModifyMyClass(ByRef mc as MyClass) that receives a MyClass instance as ByRef parameter to modify it. A smell of the code is:

[Code]...

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VS 2008 Reference Parent Class From Inside Child Class?

Apr 11, 2009

I have a 'property management class' that contains several functions and properties. I have several other classes that use the 'management class' as a property to derive the value of several of its other properties.Is there a way for me to reference the outer class from the 'management class' functions without having to pass it as a parameter? I ask because several different classes can have this 'management class' as a property and am having a hard time typing the parameter.

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Class With Class Properties: AObject Reference Not Set To An Instance?

Aug 19, 2009

I have a class in which some of the fields are also classes.I can put values in the "normal" properties, but in the others when o try to assign values it gives the: "Object reference not set to an instance of an object"But the code compiles fine.

dados_Defenicao = New ServiceReference1.draftClaimEntryDefinition
dados_Defenicao.arCode = "123"
dados_Defenicao.claimMarket.warrantyType = "w" - Here it gives the error

How can i fix this ?

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Class With Class Properties: Object Reference Not Set To An Instance

Aug 19, 2009

I have a class in which some of the fields are also classes.

I can put values in the "normal" properties, but in the others when o try to assign values it gives the: "Object reference not set to an instance of an object"

But the code compiles fine.

dados_Defenicao = New ServiceReference1.draftClaimEntryDefinition
dados_Defenicao.arCode = "123"
dados_Defenicao.claimMarket.warrantyType = "w" - Here it gives the error

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Get Base Class Object Reference Outside The Class's Definition?

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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Reference A Parent Class Object From A Child Class?

Jan 2, 2010

I have a Parent Class Called Fuselage that containsfour child classes called Forebody, CenterBody, AftBody, and CrossSection. CrossSection classcontains objects common to Forebody, CenterBody, and Aftbody (example: width). How do I access thewidth property in CrossSection from within the classForebody?

Public Class Fuselage
Dim Forebody As ClsSection
Dim Centerbody As ClsSection

[code].....

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Filesystemaccessrule Has Not Been Defined As A Class?

Mar 20, 2010

I have been looking at some sample code, which includes the following line

Dim rule As FileSystemAccessRule = CType(Me.ACEDetails.SelectedNode.Tag, FileSystemAccessRule)

I'm a bit confused, because filesystemaccessrule has not been defined as a class anywhere in the code.

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.net - Using A Class Defined In App_Code In Web.config

Sep 6, 2011

I have a class named CustomWebAuditEvent defined in App_Code/CustomWebAuditEvent.vb and I'm trying to use it in a eventMappings of my Web.Config

[Code]...

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BitmapPalette Class Is Not Defined In VB (express)

Oct 31, 2011

BitmapPalette class is not defined in VB (express). What should I do ? Add a reference (which one) ? Declare myself the class in my project but that won't be the common class ?

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VS 2008 : Set A Property From Within The Class It Is Defined In?

Aug 7, 2009

How do I set a property from within the class it is defined in?

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VS 2010 Type CLASS Not Defined?

May 29, 2010

I have been having some trouble today with a User-Control of mine. Is what is happening is when I try to build an application with the control in it, the Form.Designer has an Error saying that Namespace.ControlClass is not defined. I have no idea what the problem might be and hope that one of you do.The weird thing is that the Control Builds just fine and I can drag it from toolbox to the form and THAT works. Also, it works just fine in Design-time. It didn't start erroring until either, I upgraded it to VS2010 or until I changed it a bit today. If necessary, I can post it here.

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Get A Reference To The Class That Creates An Instance Of Another Class?

May 20, 2010

I need to create a new instance of a class that needs a member of the calling class. But i can't pass a reference to the calling class through the constructor.The solution i am looking for is something like this:

Public Class ChildClass
Public Sub New(args)
_MyMember = GetMemberFromCallingClass()

[code]....

I want this to work without having to manually pass any references or variables from the calling class to the new instance of ChildClass.

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Cant Set Value On A Class Property Thats Defined As A String Array

Nov 3, 2009

I have created a class that contains a property array, but I cant use the setters and getters.

[Code]...

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Copy User-Defined Class Object?

Mar 12, 2010

I would like to make a "deep copy" of a class object that I have defined. See Visual Basic 2005 Code below

Dim MyStuff1 as new MyClass
Dim MyStuff2 as new MyClass
mystuff1.getbyID(anID)
mystuff2 = mystuff1

Unfortunately the statement "mystuff2 = mystuff1" makes a "shallow copy" of mystuff1. Therefore, if mystuff1 is redefined then so is mystuff2. What do I have to do in MyClass to implement a deep copy method such that operations on mystuff1 and mystuff2 are independent?I would prefer something like

mystuff1.deepcopy(mystuff2)
or
mystuff2 = mystuff1.deepcopy()

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Dynamic Array Variable Defined In Class ?

Dec 25, 2010

I have a small problem, classes and threading with classes. The problem I have is a dynamic array variable defined in class. In the code below, when error pauses the code, I can see the data in the correct form but I can't write rigth code that writes the data to richtextbox.

Public Class Form1
Public k() As Integer
Private Class zaratma

[CODE]....

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Type Not Defined Error When Creating Class

Feb 26, 2012

First I put it inside a Module and it works just fine. However when I created a Class and put it inside it, it showed up some errors. (they are in the code's comments)

Public Class MyImageClass
'function to merge 2 images into one
Public Function Merge(ByVal img1 As Image, ByVal img2 As Image) As Image 'Type 'Image' is not defined
Dim bmp As New Bitmap(Math.Max(img1.Width, img2.Width), img1.Height + img2.Height) 'Type 'Bitmap' is not defined
[Code] .....

I tried importing the System.Drawing namespace to this class which didn't change anything either. I've never really touched the OOP side of VB.NET before, this is my first attempt creating a class.

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Added To Each UserControl (different Instances Of The Same Class), A Little Map?

Apr 28, 2009

I have a form whose purpose is to let the user to load map files.The form may manage a variable classes of maps, and each class have his own UserControl.To make it more user friendly, I added to each UserControl (different instances of the same class), a little map, showing a small picture of the map, and some data, as bound coordinates.

The problem is, that it looks really ugly. The maps are so big, compared with the rest of the UserControl (who contains just a button and a textbox to search for files).I wish to fix it, but I din not see an elegant way to include the pictures and info.I attach a form screen capture with two UserControl.I would like to get some tips for more experienced users. There are some guidelines?

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Using Class Function Added As Resource

Jun 7, 2009

I have created a class and I have added it as a resource and imported yet I don't seem to be able to use any of its functions.

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Apply For Each Loop On An Array Of User Defined Class?

Jul 18, 2011

I was knowing that For Each loop can only be applied to those classes that implement IEnumerable interface . But recently i accidentally wrote a code that is using For Each on my class's objects collection and my that class is not implementing IEnumerable interface .Below is the sample code that i am testing on :

Sub Main()
Dim personList() As Person = New Person(2) {}
personList(0) = New Person("s1", "s2")

[code].....

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How To Group Properties End Fields In User Defined Class

Mar 21, 2011

Suppose I want to build a class like

Class MyClass inherit Something

Dim A as string Bim B as integer

End Class When I am writing code, and i want to use thesenew properties or fields, the intellisense shows me the new properties and fields mixed with those inherited. Is there a way to show them all grouped togheter separated from those inherited ( a part giving them a common prefix in the name)?

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