Global Assembly Cache (or Not?)
Dec 1, 2010
If you build and deploy UserControls, Components etc do you give them strong names and put them in the GAC or do you simply place them in the same folder as the executable?I've made a component that will be given to other developers and they will, in turn, deploy it with their own applications. If I give my component a strong name and install it into the developer's GAC then I assume that the developer using my component will also need to place it in 'his' customer's CAG when he deploys his own application containing my component.
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Dec 28, 2005
When running setup to install published program, the following message occurs: System Update Required: Unable to install or run the applicaiton. The application requires that asssembly CrystalDecisions.CrystalReports.Engine Version 10.2.3600.0 be install in the Global Assembly Cache (GAC) first. This version is listed in the references of the program and in my mind, be included in build. How do I get by this error?
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Apr 18, 2012
When running setup to install published program, the following message occurs: System Update Required: Unable to install or run the applicaiton. The application requires that asssembly CrystalDecisions.CrystalReports.Engine Version 10.2.3600.0 be install in the Global Assembly Cache (GAC) first. This version is listed in the references of the program and in my mind, be included in build. How do I get by this error?
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Jul 14, 2009
I have been able to deploy my project on a CD with ClickOnce. Since updating to 3.5 SP1 the following error occurs when distributing the project on PC with Windows XP. Although it will load on another PC with Vista.Unable to install or run application. The application requires that assembly System Data Entity Version 3.5.0.0 be installed in the Global Assembly Cache (GAC) firstMy project property settings: Prerequisites, Windows Installer 3.1, Net Framework 3.5 SP1 both checked and Download Prerequisites from vender
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Jun 19, 2009
I created a Windows Application using VB.NET 2005 Express Edition.In my project I have two references to DLLs from a 3rd part product, so that I could access its API (Ascent Capture 7.5 from Kofax if you needed to know).For the two references, I have set the Copy Local property to False, and in the app.config file I am using assemblyBinding to reference one of the DLLs.When I build the application and then execute the EXE file in the inRelease folder, everything works fine. When I do a publish and try to run the setup.exe application that is created, I get an error message that basically states the DLL I referenced in the app.config file needs to be installed in the GAC.So why does my application work fine from the Release folder without having to do anything to the GAC, but I cannot install using the setup.exe from the Publish? I would like to use the setup.exe because I need to install this on other machines than my own.
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Apr 24, 2010
I have sent out software created with VB2008 Express and everything has installed correctly on my PC which is running windows vista. But they can't get it to install, one is running XP the other Vista, they get the following errors
Windows XP
Microsoft.VisualBasic.Powerpacks.Vs Version 9.0.0.0. to be installed in the Global Assembly Cache
Windows Vista
system.windows.forms.data visualization version 3.5.0.0 be installed in the global assembley cache first
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Apr 6, 2010
I have 2 dll files from a third party, and they have the same name (v7 and v8). My program needs to be able to use both of these dll's (meaning wether the enduser has a lisence for v7 or v8 of the thirdparty dll, they can still use the program). But I am stopped from referencing both of them as they have the same name. How do I resolve this? Searched the web and found info about sn.exe and strong names, but can't find a good explanation of how this works. Anyone?
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Jun 20, 2010
I am building a dll-Assemby A which references another Assembly B. Assembly B is strongly named and installed in the GAC of my development computer. An other computer will not have assembly B installed in the GAC.
Question: If i handle strongly named assembly B like a private assembly and copying it into the bin-directory by specifying local copy = true in the properties-window, will the programm run on the other computer?
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May 20, 2009
I can add dll file in global assembly through making a complete setup but know i want to add dll in to global assembly through code dose any one knows how it can be done.
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Jul 11, 2009
I have the following code in my config.vb file in app folder and almost all of my pages use this code for permormance issues i need to have it cached for exp use cache.insert to cache each property How should i use caching?
BR>Public Class Config
Private _physicalPath As String
Public Property physicalPath() As String
[CODE]..........................
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Mar 15, 2012
evrytime i add new controls to a form in vb.net the designer regenerates code and asks me to make corrections, so i have to keep on changing the object declarations to global using the 'global' keyword evertime it regenarates code,especialy dataset objects.how can i prevent this?
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May 1, 2009
i could use Global x as string in vb6 in a module to declare it with global privelages, how can i do this in vb2008? how to declare a global variable in vb2008? so that i could use it anywhere i want. i know global variables are not recommended in programming but i need one.
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Dec 4, 2009
I have recently upgraded an VB6 project to vs2008. I was almost finished when the following error occured. Unable to emit assembly: Referenced assembly AxInterop.MSFlexGridLib does not have a strong name Prior to this error appering, I tested my app several times and it was fine. Only after publishing it did the error appear. I have tried all solutions I could find, but nothing helps. I have read [URL]
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Jun 17, 2009
I receive this error as "Assembly Load Error" whenever adding a form or other object that has to be inherited.
"Unable to load assembly. Ensure that the file is a valid .net Framwork assembly"
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Apr 2, 2012
I am loading an Assembly using Assembly.LoadFrom() as the assemblies are located in a different path from Application Base directory.
Dim oAssembly As Assembly = _
Assembly.LoadFrom("C:\MyFolder\" + ddlXlate.SelectedItem.ToString() + ".dll")
And I consume a Type from that assembly without any problem:
oXML = CType(oAssembly.CreateInstance(sBaseType + ".XlateContainer"), _
XlateBase.XlateContainer)
However, the problem occurs when I try to use a Type from this assembly from within another method like the one below:
oComboBox.DataSource = _
[Enum].GetValues(Type.GetType(sType + "+ItemEnum," + sAssemblyName))
sAssemblyName is the one I loaded using LoadFrom() actually. After it said it cannot find the assembly, I used AssemblyResolve event which solved my problem :Subscribing AssemblyResolve event :
AddHandler AppDomain.CurrentDomain.AssemblyResolve, _
AddressOf MyResolveEventHandler
Event Handler Method:
Private Shared Function MyResolveEventHandler(ByVal sender As Object, _
ByVal args As ResolveEventArgs) As Assembly
Return Assembly.LoadFrom("C:\PSIOBJ\" + args.Name + ".dll")
End Function
And I thought maybe the error occurs because it cannot find a dependent assembly defined in assembly manifest file I loaded using LoadFrom() already but when I checked the args.Name, I saw it was trying to load same assembly and after that it worked without any problem. So basically a type in the loaded assembly cannot be found before the event adding change.
My old code was using AppDomain.CurrentDomain.Load() and Assembly.Load() methods and they were working fine without the AssemblyResolve event. I was able to reach types in dynamically loaded Assembly from every where within the same AppDomain.
LoadFrom() can find dependencies automatically within the same requested assembly path and that couldn't be problem as everything this dll needs was there. So at first it looked like a AppDomain problem to me as it looks like it seems it can reach assemblies from Load context instead of LoadFrom context and I am now using LoadFrom context.But now it seems I should pass oAssembly instance evertwhere to use any type from the loaded assembly?Doesn't it load the assembly where I can reach it everywhere (same AppDomain) using simple Type.GetType(...) method?
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Jun 1, 2011
I'm wanting to include a system tray icon in my WPF project, and found this resource:[URL]..which looks like it will work beautifully, but it's written for C# and I'm using VB.net for this project. I downloaded his project and built the notifyicon as a DLL, then added as a reference to my project.
It throws up an error: Unable to emit assembly: Referenced assembly 'Hardcodet.Wpf.TaskbarNotification' does not have a strong name So I'm trying to figure out the best way to proceed. Do I need to strong name it, or is there a better way to do this?
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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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Jun 25, 2012
I have created several DLL (.NET) libraries that are used in several projects. In these DLL libraries I want to know/retrieve which assembly (EXE) calls/uses the library, so if possible I want to know info like assembly name (EXE), strong name, version number, etc.
NB: Examples may be in C# or VB. I use both languages.
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Apr 7, 2009
I have written a .net assembly which plugs into to a third party COM application. The .net assembly is COM visible to the third party application. However this .net assembly references other regular assemblies. If I put these assemblies in the GAC the COM visibile assembly sees them without a problem. However for various reasons I do not want to put them into the GAC but I cannot get my COM visible assembly to see the other assemblies when they are in other locations. I have tried putting them in the same directory as the COM visible assembly. I have tried putting them in the same directory as the third party app's exe but neither of these work.
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May 31, 2009
When ever I finish simple programs no matter what it is and i click to debug it it comes up"Error while trying to run project:could not load file or assembly"project name" or one of its dependencies.the module was expected to contain an assembly manifest"
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Apr 21, 2011
sorry for my English, I don't speek well... I need to compile assembly in memory, that can compile another one. There is a form with one button. Here is a code of the form
Imports System
Imports System.Threading
Imports System.CodeDom
Imports System.CodeDom.Compiler
Imports System.Collections
[Code]...
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Jan 14, 2010
Since, it's possible for anyone to name an assembly starting with 'System', checking for 'System' is not a satisfactory solution.
Alternatively, if that's not possible, how about checking the modules in an assembly?
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Oct 8, 2009
One of them is giving us trouble in only 1 spot out of the 4 spots we use it at:The trouble spot is a windows form project that uses reflection to dynamically load some DLLs that run long running processes. One of these long running processes is an agent that relies on one of our vender DLLsWe're getting the missing assembly exception at the point where we first enter a function that references the library. I already checked the silly things such as if we had forgotten to move a reference from the old version to the new version, but that's not the case. I also checked the bin directory of the project and the assembly is there.
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Sep 20, 2011
Probably a dumb question, but can you write a unit test project in one language to test against another project in a different language?I'd like to translate one of our VB assemblies into C#, but want to build unit tests to verify the results. I've tried to set a unit test project up to do this, but I can't seem to access the VB code within a unit test... I can't figure out if I'm just missing/doing something stupid, or it really isn't allowed.
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Apr 20, 2011
I have an application that allows users to bid on items that are put up in an online silent auction type of deal. Currently, When a user clicks submitBidButton, the application stores the bid in the database, and then updates the price. Sounds simple? It was.. until it got popular. If there is a bidding war on the page, my application, and SQL database start crying.. literally.
About consuming the data with jquery/JSON.. and WebMethod. It works like a champ. BUT. How can I take advantage of Caching to increase the performance of my application? SQL Caching? Asp.NET Caching?
Each member places a bid, and I want to add a ajax timer that calls back to the server every .5 seconds to see if a user has placed another bid. The app was built in vb.net.
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Feb 26, 2011
What does [String] mean in VB.NET?
Dim assem As [Assembly] = [Assembly].GetExecutingAssembly()
Dim assem As Assembly = Assembly.GetExecutingAssembly()
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Oct 23, 2009
I'm working on a program but i'm having a small problem. I need to search the IE cache for multiple URL's that contain a specific string. [code]....
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Sep 12, 2011
Anyone know how to read the ARP cache in VB or .net?jj
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Oct 28, 2009
e.g.
Abcdefg.vbproj.GenerateResource.Cache
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May 11, 2011
I have a function GetAllProducts() which fetches all products from a database and stores it in the cache for future requests. This works fine, but if I then call the function e.g. ProductSearchResults = GetAllProducts(), and then modify ProductSearchResults variable, this also modifies the cache, which is very important this never happens, as the cache affects the whole website.
I understand this is because both ProductSearchResults and the cache now have the same reference, but how do I solve the problem? Is there something that I can put in GetAllProducts() to ensure the cache always uses its own value?
CODE:
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