VS 2008 Changing The Target Framework?
Jan 26, 2011
I developed an app using the .net framework 3.5 sp1. I have now been told that the published version must not require sp1 but just the 3.5 framework.
So I uninstalled sp1 from my pc but not cannot publish the app. The app code will run without error but when I build it for publishing I get the error The "RequiresFramework35SP1Assembly" task was not found. Check the following: 1.) The name of the task in the project file is the same as the name of the task class. 2.) The task class is "public" and implements the Microsoft.Build.Framework.ITask interface. 3.) The task is correctly declared with <UsingTask> in the project file, or in the *.tasks files located in the "C:WINDOWSMicrosoft.NETFrameworkv3.5" directory.
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Dec 14, 2010
I started a project in VB 2008 and the target Framework was obviously not 4, like it forces in VB 2010. The issue is the computers this application is being deployed to have 3.5 as the latest .NET Framework.
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May 21, 2010
I've been working on a new application and realised that I want the target framework to be 3.5 (4.0 isn't rolled out yet). So, I changed it and now when I try and debug I get the following error:
"An error occurred creating the form. See Exception.InnerException for details. The error is: Unable to cast object of type 'System.Windows.Forms.SplitContainer' to type 'System.ComponentModel.ISupportInitialize'."
I really don't want to have to delete and recreate the splitContainer....
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Dec 6, 2011
Problem: A 2 year old solution made in VS2010 with vb .net 2.0. We are going to convert it on 4.0. So, the question is how? On a C# solution is quite simple since there is the compile tab where you can change the target framework, but here on vb net i can't find it.
Here it is what i see on project properties[URL]..
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Nov 11, 2009
I have built a Dll and a Windows Service in vs2010. Both are targeting the .net 3.5 framework, but when I install it on the server it installs fine, but for some reason it targets the 2.0 framework and any time the methods fire that are using linq it crashes out with a clr20r3 error system.nullreferenceexception. Not really sure why it's not targeting .net 3.5.
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Aug 15, 2010
I am attempting to write a program in Visual Basic Express 2010 that uses .NET Framework version 3.5 instead of 4. (The computers that I plan to use this program on only have .NET 3.5 SP1, and are painfully slow, so I don't want to upgrade them to .NET 4.)I have seen in the documentation that the Express edition does not have the option to change the target framework in the "New Project" dialog. However, when I go to the Project Properties window, there is not a drop-down list for the target framework, either.Can I change the target framework version in Visual Basic Express 2010?
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Nov 8, 2010
I upgraded a solution with multiple projects from VS2008 to VS2010.One of the projects, a class library project, won't compile, although there are no errors in the error list.On the References tab of the project properties, the above error is displayed: "Could not resolve mscorlib for target framework '.NETFramework, Version-v4.0'.This can happen if the target framework is not installed or if the framework moniker is incorrectly formatted." .NET framework 4 v4.0.30319 is installed, and so is v3.5.All other projects build and work fine.Not all workstations experience this - some workstations can open the same solution without this problem occurring.Computers which have this problem also have VS2008 installed, and the same project compiles without issue in VS2008 on the same machine which has the problem in VS2010.
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Aug 18, 2011
I created a VB Console app and it defaulted to .NET 4 but I need it to be .NET 3.5. I've been looking but all the references I find say to change it on the 'Compile' tab in properties but I don't have a compile tab or anything else that lets me change the target framework.
Note: I'm using VS2010 Ultimate
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May 6, 2009
I'm programming in VB using Visual Studio 2005 Professional. I have a code munger perl script that generates some of the *.vb files that I want to compile. The script and the associated files are in my project directory, and when I run the script from the OS command prompt, it writes the files in the same directory, which is what I want. Rather than do this, I want to invoke the perl script as a pre-build event. I've gotten it to work ... almost. The only issue now is that the files are now deposited in TargetDir (/bin/Release e.g.) instead of ProjectDir. I could just change TargetDir to be ProjectDir, but that seems like I'm asking for trouble. Is there a way to separately specify the target directory for pre-build commands? Or change it to ProjectDir, then change it back after I'm done with the pre-build?
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Feb 4, 2010
What actually happens when you target the .NET 3.5 framework in Visual Studio? What does that actually do? Does it somehow "flag" any of the output files and associate them with the framework version?
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Nov 16, 2010
All my application does is downloading files and doing string manipulation. I don't think I need .NET 4.0 for that. I changed the framework to 2.0, so more people can use my application without having to install a newer version.[code]...
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Apr 14, 2010
I've developed an application using VB 2008 Express and there are some customers using it,of course they have framework 3.5 installed.Can I upgrade to VB 2010 but keep target of my project to framework 3.5 (there is a option on Compile tab to chose target framework version),is it a good idea or not ?
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Mar 12, 2012
How to migrate .RESX file when changing .NET Framework... I was changing the .NET framework from 4.0 to 3.5 (because of an incompatbility we discovered in a third party dll) and everything went fine except some .RESX file got messed up. I was starting to fix them manually but is there some tool I can use for this?
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May 21, 2010
I am work on VB.net 2003 Framework 1.1 for last 3.5 years in windows Application.We are currently migrating to VB.net 2008 framework 3.5, but i don't know about the features which related to ADO.net and which is important to performance. I know linq to SQL but our architecture is made in .net 2003 so we should follow this.Any features which is very important to enhance the performance?
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Mar 14, 2010
when I go to the advanced compile options the dropdown box (and label with info) to change the target cpu missing.Do I need to change a setting, or is there an other way to change the target cpu?
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Oct 25, 2011
I am developing an application that can export a DGV to excel file, so i have some references to MS Office and excel. How can I develope the program to be deployed on a machine that doesnt have Excel.. When I ran it on a new Win7 machine I have without office I couldnt even run debug because office isnt on the computer.I am not asking to be able to create an excel export on a machine without excel, just be able to run the program? Or do I need tow version of the program one for and one without excel
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Mar 25, 2009
While I can do DoDragDrop() to initiate a FileDrop from a listview to Windows Explorer, how can I tell anything about the target of the drop? For instance if I wanted to find the path where my files were dropped to?
Example:
1) User clicks and drags listviewitem which turns into a FileDrop with a file's path.
2) DoDragDrop completes and the file is moved.
3) ?? How do I tell where it was moved to ??
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Aug 12, 2011
I'm not a daily programmer so these nuances regarding VBnet drive me crazy. I've written my app with a P4, XP, dotnet 3.5 PC using VB express 2008.Does that mean are not NOT compatable with any machine running dotnet 3.5?
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Jul 20, 2009
When I have the following code, I get an "Expression is a value and therefore cannot be the target of an assignment." error as shown:
Public Class Form1
'Test Project
Public Structure Blah
Public ID As String
[code].....
But when I change the structure to a class, this works fine:
Public Class Form1
'Test Project
Public Class Blah
Public ID As String
[code].....
What connection am I missing between the two? I don't understand why the first example doesn't work, but the second does. Everything I know says they should both work just fine.
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Jan 12, 2011
Public Sub MoveMouseCursor(ByVal NewMousePoint As Point)
Cursor.Position.X = NewMousePoint
End Sub
Expression is a value and therefore cannot be the target of an assignment.
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Jul 19, 2009
I've intrested how make webbrowser know the targets and know what to do when the link has got the target. I don't know how to make new window form too because there are functions with targets (sizeable, Adressbar, width,
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Mar 25, 2009
I want to refactor my existing application to work with as a client/server app, and was looking at introductions to Remoting.I got a simple system up and running 2 days ago, and haven't touched it since until just now, but now I'm getting an error message when trying to instantiate a class from the remoted DLL : "No connection could be made because the target machine actively refused it".The server and client are both actually running on the same machine for simplicity at the moment. I have three "applications" involved - a class library containing the server functionality, a listener application sitting with the server, and then a client applicaition.Most of the articles I can find online referring to this error seem to apply primarily to asp.net but I'm just using traditional vb.net (2008)I initially suspected the cause may be firewall related (as when I first got it running I was prompted to allow access) but I've turned off my McAfee firewall and also my Windows firewall with no joy, and besides - the error message seems to imply that communication with the server has been established but that it doesn't want to play ball.
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Dec 8, 2010
94.69.250.128:8888 ( My external IP:Port that I've configures the task ) I'm kinda stuck in it, whilst my Chat application is ready, it seems it can't connect to the Internet now. The error is happening on the line :
[Code]...
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Aug 20, 2010
Error: Trying to revoke a drop target that has not been registered (Exception from HRESULT: 0x80040100 (DRAGDROP_E_NOTREGISTERED))
I am trying to dynamically zoom inout of a pdf document that i'm viewing in a WebBrowser 2.0 control in VB NET 2008. If I navigate to a web URL the following code works fine but if I try the same code while viewing a pdf file the above exception is thrown.
Try
Dim MyWeb As Object
MyWeb = Me.WebBrowserPDF.ActiveXInstance
[code]....
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Aug 16, 2010
When using Sendkeys with vb.net, is it possible to tell if the target of the Sendkeys has changed between sendings?
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Nov 21, 2009
I get this error every time I try to debug.But, I do not know how to fix it or why it started occurring.
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Apr 15, 2011
I'm calling the following method from a button click event to export a datatable to excel. After the export is completed, the excel application object is quit, released and assigned to nothing. But in reality it's not getting released and stays active unless the entire application is closed. So every time the button is clicked for export, a new excel application object keeps on running. The problem doesn't occur if two of the lines from the method below are not used. But I can't omit them as they are really needed. Check the * marked lines.
Code:
''' <summary>
''' Exports data from a datatable to excel.
''' </summary>
[code]....
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Dec 10, 2009
I'm creating a shortcut with my application, and its working successfully, except that the "Target" line is being cut off. Not all the arguments are listed. When I run the target application of this shortcut using process.start and these arguments, it runs fine. Is this simply a limitation of the "Target" textbox? Is it simply not displaying all the arguments, or is it functionally limited in this way?EDIT: I have determined that it is simply not displaying the full string, but seems to work correctly. I would still like to fix this somehow, but if not, not a big deal.There are 259 characters in the textbox, including spaces. Doesn't seem like a significant number to me.Here is the code, but it doesn't really matter, it is working fine:
[code]...
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Feb 13, 2010
I recently tried to reinstall visual studio 2008 Prof. But every time I start theinstallation it fails after installing the .Net framework 3.5. The framework doesn'tsucsessfuly install and it gives me the 1603 error. I think I have the .Net framework 2.0 running right now but the setup for that gave me an error to but it is in add and remove programs.
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May 31, 2009
i developed a program using vs 2008 and works well. now i want to distribute to my friends for that which version of .net framework i have to give along with this?
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