Communications :: Missing Reference To System.Net.NetworkInformation?
Jun 29, 2010
I must be missing something very obvious...Using Visual Studio 2005 to write a vb app for Windows CE. I'm trying to use the NetworkInformation namespace of System. I can see it in my object browser, but when I try to use it in my form, it doesn't come up in the autocomplete and the compiler complains that "NetworkInformation is not a member of Net".
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Dec 2, 2011
#1 is C# Class Library, where I have my EF model defined (3.5 sp1) and some public methods.#2 is a VB winforms app.In the winforms app, I have referenced the C# library and added the connection string for the EF model. The problem I am having is that I have a form where the user selected a .txt file to import. On the VB side, I create a byte() from the file, then pass it to a public method cleverly called Process. In Process(), everything runs smoothly until I instantiate the EF model.
using (WorkersCompImportEntities context = new WorkersCompImportEntities()) { ....
Where I receive this error:
Could not load file or assembly 'System.Drawing, Version=1.0.3300.0,
[code]....
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Jan 6, 2012
Is there any way I can do this
Dim ipv4Stats As System.Net.NetworkInformation.IPv4InterfaceStatistics
ipv4Stats = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces(0).GetIPv4Statistics
TextBox1.Text = ipv4Stats.BytesReceived.ToString / 1048576
TextBox1.Text = FormatNumber(TextBox1.Text, -1)
But for a specific program that is running? Like Iexporer, or Explorer, or whatever, is it posible to monitor the packages being recieved by only one program?
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Oct 1, 2010
I tried every trick in the book, creating a new object, instantiating it (even tho it says i can't) and just trying to create a reference to use it, and then also trying to call the .Address value inside it while using it like i would use a shared member (without instantiation) and nothing is working, msdn sample/help is useless... i even tried inheriting it and useing it like that, none of them worked, i am sure i am missing something, can anyone give me some code samples? here is the msdn docs on it to to give you an overview.url...although i like vb.net more i can read and coded in both c# and vb.net so either will be fine.url...
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Jan 7, 2010
I'm currently working on a project I've just received that is asp.net + vb.I have to add a gridview in one part of the page, but it simply won't let me set the datasource
<%@ Page Language="VB" MasterPageFile="~/Common/Common.master" title=whatever" %>
<%@ Register TagPrefix="uct" TagName="SubmenuControl" Src="whatever.ascx" %>
[code].....
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Apr 12, 2010
Using VB.NET 2008 SP1 on Windows XP Pro SP3:
I am using an existing COM dll that works fine in VB6, on the same development machine. The VB6 app compiles and uses this dll without issue.
I start from scratch to design a new Windows Form application in VB.Net. Then when I try to add a reference to this dll, the reference is added to the references list but the path shows as <The system cannot find the reference specified>. If I select this reference in the list, the properties window shows a blank for both the reference name and the path. At the same time, a reference is added for VBA, and it shows the reference name (Interop.VBA) and path correctly.
I used dependencywalker to find the dependencies for this dll. It has 3: user32.dll, kernel32.dll, and msvbvm60.dll. So presumably I have all necessary dependent files.
I have tried un-registering, re-registering the dll. I have tried the command line switches for devenv.exe to reset settings and to launch in safe mode. I created a new user account to see if it was related.
I have tried picking the dll from the Add References, COM tab and also via the Browse tab to select the file directly. Same result all cases. I also tried putting the dll and msvbvm60.dll in my bin folder.
I don't understand how the reference name and path are missing in the properties window when the reference name is right there in the list and I select the path directly when I added it. There are no other instances of this dll registered.
I tried using tlbimp from the command prompt with verbose switch, I get the error:
System.Runtime.InteropServices.COMException - Error loading library/DLL. (Exception from HRESULT: 0x80029C4A (TYPE_E_CANTLOADLIBRAY)). I wish it would tell us what is missing.
It must be registered properly and all dependencies available for it to work in my VB6 app, Re-writing the dll is not currently an option.
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Jun 14, 2009
I have installed WCF / WPF Extension with Visual studio 2005.
I developed the sample WCF services and to consume it I have developed the client project.
In client project I need to give the service reference, however I noticed here Add service reference option is missing.
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Jan 24, 2012
I have been using the VB IDE for many months on a VB6 translation to vb.net 2010. I have had no troubles building and running in debug,until the message below just appeared. This now prevents me from running in debug. I have not used Publish in the Build menu or used ClickOnce. The Project - application page has "enable XP visual styles" checked. I do not want this unchecked, which will remove the error message below.
The error message is:
Error 2 Could not find file 'Microsoft.Windows.Common-Controls, Version=6.0.0.0, Culture=*, PublicKeyToken=6595b
[code].....
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Sep 11, 2011
I have been getting a lot of crash reports sent from my application that describe System.Web not being found.
I was able to reproduce the problem, and at first it seems that it would be caused by not running .NET 4.0, however, my test machine is running Windows 7 SP1 with .NET 4.0,
How would I go about fixing this problem? Was System.Web deprecated?
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Aug 12, 2009
Do anybody have sample code for mailing using System.net.Mail
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Dec 4, 2011
I changed target framework from 3.5 to 4.0, no other changes. A simple ping which worked with 3.5, now with 4.0 the result gives Canceled=True. what may cause this?
Public Sub StartInternetConnectionCheckEvery(ByVal seconds As Integer)
Dim timer As New Timer()
timer.Interval = seconds * 1000
[code].....
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Nov 3, 2009
I am trying to execute a VB .net console application called Application1 that I created using Visual Studio 2008 with .net framework 3.5. When I run it under the windows scheduler or from a command prompt it works fine. When I try to run it under a purchased job scheduler, I get a message stating that directory APPLIC~1.config is missing. What properties does system.configuration use when it tries to find an application's .config file? Can these be set when my application starts?
Note: I was able to use ConfigurationManager.OpenExeConfiguration(My.Application.Info.DirectoryPath & "" & My.Application.Info.AssemblyName & ".exe") to get around this issue but would like a cleaner solution. I do not want to do this each time I want to retrieve an appSetting entry.
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Dec 11, 2009
System.Runtime.Serialization is ok but System.Runtime.Serialization.Json is missing.
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Mar 18, 2009
Ok so I have a small problem with an error I am catching. It only produces the file name and not the actual path of the file.I want to delete a folder and all the files and folders inside of it. However an error is thrown when a file is "read-only". A quick fix would be to set the attributes of that file to normal and then try again, the only problem is the error doesn't give you the location of the file.
2008
Module Module1
Sub Main()
[code]....
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Jul 13, 2010
Why isn't this seemingly simple piece of code working?
Code: Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
For Each sp As String In My.Computer.Ports.SerialPortNames
ListBox1.Items.Add(sp)
Next
End Sub
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Dec 14, 2010
I have tried several versions of this with no luck. The casting of the worksheet works as my data is entered in other parts, but I have a section where I need to add data 1 column right of the cell containing the 'str(0)' value. Most of these parameters are optional. I have even tried the System.Reflection.Missing object.
[Code]...
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Jan 26, 2009
I am using VB2008 Express and am curious how to send a command via RS232 communications. The string that I need to send is 02h PON 03h. The start and end bits are 02h and 03h.
How can I convert 02h and 03h to its ascii form. In hyperterminal, I use the sequence {(hold)ALT 0 0 2} on the number pad to send the start bit.
I am using this code currently without the start and end bits
Code:
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Sep 28, 2010
I want to add a reference for System.Web.dll
But thats targeted only on 3.5 right? so what is the equilivent when using vs2010 as thats defaulted to 4.0???
If Not String.IsNullOrEmpty(txtAttached.Text) Then
Dim tAttach As MailAttachment = New MailAttachment(txtAttachment.text)
NewEmail.Attachments.Add(tAttach)
End If
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May 21, 2012
I'm upgrading my site and pasted some code into a new form in VS 2011 Express beta. I get the standard error below: Namespace or type specified in the Imports 'System.DirectoryServices' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases.
I went ahead and added a reference for system.directoryservices. Still, the errors remain. I go back to references to make sure it's been added, and it is no longer checked. Repeated tries and the same results.
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Dec 7, 2011
In my project i had an added reference which has always worked,, today and out of the blue i start getting this error
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Apr 22, 2010
I have a Windows Forms application built in VS2005 and migrated to VS2008. I copied this application from one development computer to another, and now it states <the system cannot find the reference specified> for every single reference. These references are basic things like System, System.Data, System.Windows.Forms, etc. I cannot even look at the forms since it cannot find the reference to the DLL.
The computer the application was copied to has VS2008 installed and I can find the references in the appropriate location of (C:WindowsMicrosoft.NETFrameworkv2.0.50727) and also in the GAC (C:Windowsassembly)
However, even if I try to remove the references and add them back in again it still says it cannot find the specified references.
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Mar 5, 2012
When I add a new, empty form to my VB.NET VS9 project, the linenherits System.Windows.Forms.Formis missing.What am I doing wrong here?I thought it would be added automatically.I experienced that some thing get weird if this line is not there (Form_Load is not firing, I think).
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Sep 13, 2011
How do I add an explicit reference to system.drawing in visual basic 2010 express console application?
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Mar 14, 2011
System.ServiceModel.Web can be seen from Silverlight projects, however I cannot add a reference to it from a console app, because the assembly is not displayed. It contains the JSON Deserialier which I need. How can I add the assembly so that Console Apps can add a reference to it?
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Sep 5, 2011
I want to add reference system.net.mail but I am not finding it my reference liberary. How can I Import that reference.
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Jul 13, 2010
in the ReadFile() Sub, if the user tries to read a file that is not there he gets an exception
which results in the 2nd line in the Catch being executed. So far so good. But the 2nd line of
code in the mnuOpen_Click then gets a System.NullReferenceException which I don't understand since
the mnuOpen_Click code all works fine when called from the Open menu item. The exception
information suggests I use the "new" keyword to create an object instance, but in all my reading
and all the different ways I've applied the keyword New to the code, I've not been able to figure
out how to do this.[code...]
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Sep 19, 2011
I've created a class library in Visual Studio 2008, and when I try to add the dll as a reference, I get the message in the title for the Path field in my project references. I've been going for a week trying to figure out this issue, and I haven't been able to come up with anything. The strange thing is I can add the same reference to a Visual Studio 2010 project, and it works perfectly fine.I used VS 2008 to build it because the dll isn't used in house and needs to be compatible with .Net 3.5.
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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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Apr 18, 2011
I installed .net 2010 ultimate but my proble is i cannot find a reference to System.Data.OracleClient.
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Sep 21, 2011
I am planning to use a List in my application but when I was searching for System.Collections.Generic, it only has System.Collections. I tried to look it up in the "add reference" and its not there.
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