.net - Automatically "upgrade" User Settings From Previous Version Of App.config File?
Jul 29, 2009
Every time I compile my app and the version number changes (I have an auto-incrementing build number), I lose the user-configured app.config settings, since they're stored in the AppData folder for a specific version. Essentially, every release of my application starts from scratch as far as user settings go.
While this is a mild annoyance in development, it raises the question as I approach deployment/release - if I use the app.config to store my user settings, will the user's personalized settings be hosed every time they install a patch that changes the version number of my app? If so, is there an easy way to "upgrade" the settings from the previous release? I know that using HKCU in the registry is another option, but I like the ease of the My.Settings namespace, and I'd like to stay with app.config.
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Jul 29, 2009
Is it possible to retrieve the pervious upgradeCode that was used to install the same application?
I have given our application to many or our clients.
They install our application using the MSI.
Everytime I release a new version for bug fixes or minor upgrades. In the setup project properties I increment the version number and change the product code (I always leave the same upgrade code). And I set the 'RemovePreviousVersion' to true.
However, a few weeks ago, I accidently changed the upgradeCode and released a new version to our customers. It was only now that a customer wanted to know why they have other instances of the same application in their 'add remove programs'. It installs ok, but they have to uninstall the previous version.
I am wondering is it possible to get back the original upgrade that was used to install those versions. As I used the same setup project, I no longer have that upgrade code?
I still have all my original setups.exe that were built with the original upgradecode
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Aug 7, 2009
in vb.net i am trying to save application settings but for USER but i cannot find the user.config file
when does this file get created?
i searched my entire hardrive. i also searched the entire project.
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Mar 6, 2011
After reading through a bunch of stuff, I was curious what production developers use for config files. I know that there is an app.config file that can be modified by the user of the program w/ settings. I also know I can create my own .xml file or .ini file to store settings as well. I wanted to know from the production side, what do you use and why?
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May 18, 2009
I am just not happy with the fact that the user.config file gtets saved in the user's account folder. Is there a way to save it in the Application's Startup Folder instead? I couldn't find any configuration properties within the PROJECT PROPERTIES which would let me change the file location.
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Jul 16, 2009
I know that when using my.settings that when I exit my app that it saves them and then next reload it imports my.settings back.
My question, is there a way to create this user.config file on the apps first load?
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Jan 3, 2010
I'm looking for a way to specify the location for the User.config file that is used for storing the My.Settings object. It appears that this is not possible. The problem for me is, I don't want to be responsible for creating several different files on the users computer that really have no use and are difficult to find and clean once an update is released. For most users, this is not a serious problem, as many will probably never update the software, and most will probably only go through a couple of updates. On my system, there are config files for every build of the application, and the same to a lesser extent will be true for my beta testers.
I can understand that MS wants to make sure that no two applications will use the same location for storing application data, but a simple [UserData] [CompanyName][ApplicationName] for storing application data will probably suffice for 99.9999 percent of the legitimate applications in the world. Bogging a user's system down with erroneous files, no matter how small, is an unnecessary drain on system resources and a potential source of problems for the user. It's bad enough that most programs leave bits and pieces of themselves all over a user's system after De-installation - this to me seems only to exaggerate this problem.
Is the only way to get around this problem to write a whole new Settings Class? Is there a way to change the location of the UserConfig file to a more friendly (and more predictable) location that I am not finding for myself? It would seem that having at least the OPTION to specify a location for the User.Config file would be OBVIOUS and easy to implement, so why did they leave this out?
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Oct 30, 2009
I have created a settings-file for my plug-in-based app. When the mainApp writes the settings to the file, the pluginApp should read the settings from the settings-file (when opening or at runtime even better), but somehow it reads the settings from the app.config-file. This means that the pluginApp never will read the settings according the values of the file.
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Jan 13, 2011
The company has been using Visual Studio 2008 and .NET Framework 2.0 for approximately 2 years. During that time we released several versions (4.x.x) of our program to the public and were able to preserve the user's settings using My.Settings.Upgrade.During the past development cycle we upgraded the program to Visual Studio 2010 and .NET Framework 4.0 and changed the version to 5.x.x. Now, when a user upgrades from 4.x.x to 5.x.x they lose all of their settings.However, in all upgrades after that point (ie 5.0 to 5.1) all the user's settings are once again preserved.I checked C:Documents and Settings<USER_NAME>Local SettingsApplication DataCompanyName and it contains two directories:
ApplicationName_Url_aaa ApplicationName_Url_bbb
where aaa and bbb are 32 character strings. All of the user.config files for the 4.x.x releases can be found in the ApplicationName_ Url_aaa directory. All of the user.config files for the 5.x.x releases can be found in the ApplicationName_Url_bbb directory.Based on this information it seems like something changed when we converted our program to VS2010 and Framework4 that is now causing a different 32 character string to be generated. However, we have been unable to track it down.
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Jun 16, 2011
I would like my program to overwrite its previous version such that users don't have to uninstall the previous version before installing the new one.
I'm guessing it has something to do with setting Publish Version (Major, Minor, Build, Revision), Assembly Version or File Version.
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Aug 18, 2010
I'm trying to use the following command:
Dim xmlFilePath As String = _
System.Configuration.ConfigurationManager.AppSettings("XmlFilePath")
to retrieve the following setting:
<applicationSettings>
<MySolution.WebProject.My.MySettings>
<setting name="XmlFilePath" serializeAs="String">
[Code]....
However, xmlFilePath shows up as Nothing after that line of code is run.
What's the correct code to get a setting out of the web.config file in an ASP.NET application?
NOTE: Although you can add keys individually to the <appsettings> tag, I'm trying to figure out how to use it with the "Settings" tab in the project's properties.
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Mar 10, 2009
I have been searching and posting regarding this problem and have found nothing to aid me. Discussion is either on web.config files or deal only with external files for connection strings or earlier versions of vb.net not 2008.I have already successfully put connection strings into an external config file, but trying the same approach with application settings has failed.There are two sections of the app.config involved with application settings.
1. the configuration and config sections at the top of the config. file where the section group and the section name are described.
2. the actually data for the application settings by section group section name which appears in the body of the configuraton section of the app.config.[code]
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Nov 29, 2009
I would like to tweak some of the numbers in the app.exe.config file while the program is running. I would like my program to re-load those valued from the edited txt file.
I have tried my.settings.reset, reload, and upgrade. None of these seem to reload the values from the config file into the program
vs 2005
vb.net
How can i get my program to re-read the config file into its memory once it is up and running. say when a button is clicked?
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Apr 18, 2012
I am writing an application that will be used to extract information from any one of three different database applications, depending on the option selected. I would also like it to be possible to run it against one of several environments (e.g. development, test or live).
I plan to hold the relevant logon details (in encrypted form, of course) in the app.config file, with the appropriate details selected depending on the environment and application. Rather than have each option hard-coded into a Select Case statement, I want to be able to nest the variables in the app.config. I had envisaged a section of the config file looking like this:
[Code]...
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Sep 14, 2010
Is there a simple way to read from the global application.exe.config file from a dll?urrently I am loading the file as an XmlDocument but I wonder if there is a better solution.That's what I mean:If I create a new WinForms Project I have a Settings Tab in the Project properties where I can add some simple values (And I want to access the per Application settings, not the user beased ones).From my code I can access these values with:
Console.WriteLine(Properties.Settings.Default.SomeValue);
The Settings class is autogenerated in the file Settings.Designer.cs.Now I have the case where a dll need's to read the settings from the Main Application's config file. Is there a simple way to achive this? Currently I am reading the file as an XML Document.
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Nov 17, 2009
I've got vb Express and want to increase the version of the build file automatically. I know it can auto change the publish-version, but i never publish files. I use the build option and get the application at: ...Visual Studio 2008ProjectsWindowsApplication1WindowsApplication1inRelease. So how can vb increase the revision or build number automatically?
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Mar 23, 2011
Is there a really simple way to save the app.config file to a location then load it again? I'm making a multiclient app. I was planning on having each user have a folder, and in that folder would be their personalized app.config file that would load when they log in. I don't really know any XML.
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Mar 26, 2009
I have a class library (Named ADI), that needs some configuration settings from the project using it (like connectionstring, filesystem locations etc).
I want to define these settings in my Windows Forms/Web Projects App.Config or Web.Config, like other settings.
Here is part of my app.config for my windows forms application:
<applicationSettings>
<PhotoImportRobot.My.MySettings>
<setting name="ADIImageRoot" serializeAs="String">
[Code]....
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Apr 15, 2011
1. I can't find the file which reflects changes to user settings. This might be because I just can't find it (I can see a bunch of user.config files but they are all empty - weird!), or...
2. I'm not actually saving them when I think I am.
Regarding 2. - do I need to invoke
Is this all I need? And if so, why are my user.configs empty?
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Dec 19, 2011
I recently changed application settings to be in an encrypted config file.The first time I run any application and try to retrieve a setting (My.settings. ...) from the config file I get an Unrecognized attribute 'configProtectionProvider'If I restart the application I don't get an error due to the fact that it doesn't re-encrypt during that run. Why when I run the application for the first time am I getting this error?
I am encrypting the config file on application startup using the following code:
[Code]...
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Jul 21, 2011
In an app I am writing I need to be able to display the current settings of the following:- Windows "automatically restart on error" setting from advanced, startup and recovery section Paging file size and whether it is custom size or set to system managed Is this at all possible? perhaps VB has a function to do so I cannot find, or perhaps I can do by querying a registry value?
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Feb 12, 2007
is there a way to keep the settings stored in My.Settings from being "reset" during an upgrade installation? Every time I put out a new build of any application using My.Settings the settings in My.Settings are reset to whatever they are in the visual studio designer.
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Mar 15, 2009
When I upgrade my app it uses a new settings file for my.settings - is there a way to copy the setting from the old version?
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Aug 6, 2010
Is there equivalent for getevn/setenv functions in VB.NET. I have looked at system.Environment.GetEnvironmentVariable but it gives the system environment variables like USERNAME, COMPUTERNAME etc. I need to get the variables that are stored in config.user file. Is there any way to do that in VB>NET.
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Sep 13, 2007
Somehow the User.Config file was corrupted for an instance of my VB .NET app. When access one of my user level config property (My.Settings.MyProp) I get the a ConfigurationErrorsException with the message "Configuration system failed to initialize." I looked at the User.Config file and found that it is empty, it can be opened but there is no XML text contained within.I would like to programmatically fix the file if an exception is seen. When I attempt to use any of my user level properties, I continue to get the same exception. I've tried calling the Reset() but that yeilds the same exception. I then tried Save() to see if it would write out a default version, but it appears to do nothing (the file is not updated). My.Settings appears to be useless at this point.How can I reinitialize the User.Config file to the default config settings without deleting the old file? I would think that there should be some mechanism for restoring this file back to its default. And how can I update/reinitialize the My.Settings instance so that I can access the properties normally?
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Mar 26, 2012
I made a project in VB.NET 2008. When I update my project I change the assembly version but the problem is that when the user gets the new version they lose their user settings.[code]Note the version number in the path. Is there any way save in a location not affected by changing the version?
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Apr 25, 2012
I have a program that runs fine in the debugger. I started on the project in x86 mode this January and I've always been able to run it outside of the debugger, but this is the first time I've seen this error.The error says "ConfigurationErrorException was unhandled: Configuration system failed to initialize."The InnerException of the error said that the error was in the user.config file, and it gave me the directory of the user.config file that it was using. So I clicked synchronize in the project settings thinking that it would overwrite the current user.config file and that would probably fix the error. When it showed the confirmation dialog that it would delete the user.config file, I noticed that it had "vshost" in the directory.
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Dec 11, 2011
I'm writing an Excel file recovery program with VB.Net that tries to be a convenient place to gather and access Microsoft's recommended methods. If your interested in my probably kludgy, error filled, and lacking enough cleanup code it's here: http:[url]..... The basic functionality seems to work although I haven't tested graph macro table recovery yet.
It occurred to me that Vista and Windows 7 users could benefit from being offered a list of previous versions of the file within my application if the Shadow Copy Service is on and there are previous copies. How do I do this?I looked at a lot of web pages but found no easy to crib code. One possibility I guess would be to use vssadmin via the shell but that is pretty cumbersome. I just want to display a dialogue box like the Previous Versions property sheet and allow users to pick one of the previous versions. I guess I could just display the previous version property sheet via the shell by programmatically invoking the context menu and the "Restore previous versions choice", however I also want to be able to offer the list for Vista Home Basic and Premium Users who don't have access to that tab even though apparently the previous versions still exist. Additionally if it possible I would like to offer XP users the same functionality although I'm pretty sure with XP only the System files are in the shadow copies.
I looked at MSDN on the Shadow Copy Service and went through all the pages, I also looked at AlphaVSS and AlphaFS and all the comments. I'm kind of guessing that I need to use AlphaVss and AlphFS and do the following?Find out the list of snapshots/restore points that exist on the computer.Mount those snapshots.Navigate in the mounted volumes to the Excel file the user wants to recover and make a list of those paths.With the list of paths handy, compare with some kind of diff program, the shadow copies of the files with the original.Pull out the youngest or oldest version (I don't think it matters) of those shadow copies that differ from the recovery target.List those versions of the files that are found to be different.This seems cumbersome and slow, but maybe is the fastest way to do things. I just need some confirmation that is the way to go now.
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Mar 31, 2009
How they relate and differ from each? What are the best practices for version control? Is there a primer about publish online? Or a good book?
And is it possible to make ClickOnce and a msi in one solution of VS 2008? If so, is there any conflict or pitfall?
BTW I am using VB if that makes any difference.
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Feb 20, 2012
I am trying to obtain a file path that users manually enter on a web page, and then write it to the web.config file.
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