Class Library Getting Settings From Own App.config NOT The Application's?
Jun 2, 2009
I'm having trouble with my application settings and I'm wondering if anyone else has seen this.
I have a Librabry with a connection string. In the project for the library it has its own app.config:
<configSections>
<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
<section name="OBInfrastructure.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</sectionGroup>
[Code]...
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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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May 19, 2010
Say I have a Class Library project with its own .dll.config, and a forms application. I want to confirm that it is impossible to reference the .dll.config file from the .exe.config file and still use My.Settings.
For example: I have SomeClassLibrary project, with SomeSetting that I can access through My.Settings.SomeSetting. I also have SomeFormsApp project. This is what I want my SomeFormsApp.exe.config to look like:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
[Code].....
From my readings, this seems impossible. I either need to copy the content of SomeClassLibrary.dll.config into SomeFormsApp.exe.config, which is tedious and error prone when copying from multiple class libraries, or I need to use ConfigurationManager, which bypasses My.Settings and its typed, Intellisensed goodness.
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Jun 30, 2008
I was dangerously close to high-jacking another thread, so I thought I should create my own. We make class libraries so we won't duplicate code, but what about settings? I have a large solution that I've created a project in for common material, which includes an app.config. The problem is that a class library isn't an "app" so my functions can't get to the values. How do I get around this?
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Sep 18, 2009
I have written a vb.net class library that pulls the url for a web service out of my.settings. However, at runtime it no longer bothers to read the class.dll.config file that it made.I want to deploy this dll in different environments and be able to custom choose the relative webservice via the class.dll.config file.
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Mar 16, 2006
Got a solution with 3 projects, a Web Service, a WinForms (MyUI), and a Class Library (Foo).
MyUI calls methods in the DLL that access the web service. The DLL has project config settings that store the URL of the web service. I compile the solution and it compiles all 3 projects. In the DLL's bin dir it puts the foo.dll and foo.dll.config files. However, in the WinForms bin dir it puts the MyUI.exe, MyUI.exe.config, and foo.dll; it doesn't include the foo.dll.config. When I run the MyUI.exe from its bin dir, it appears to work, and is obviously getting the config settings from somewhere because it doesn't crash and successfully contacts the web service. However, if I copy the foo.dll.config file into the MyUI's bin dir, and change config settings and re-run, it appears to ignore my changes completely.
In the Class Library I setup the config settings through the project properties dialog under the Settings tab. I access them from code using My.Settings.
How do I modify the config settings post-compile?
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Jan 19, 2012
I have a Class Library project with a appSettings.config file included into the project. The file is not embedded. So I have a ClassLibrary.dll with a appSettings.config beside in the bin.I have another project which is a Web Service. It has a reference on ClassLibrary.dll with a Copy Local=true. When I build the Web Service, the ClassLibrary.dll is brought into the bin of the Web Service. However, the .config doesn't follow.Do I need to do some postbuild event to copy the .config file or there is another setting I can set?
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Mar 1, 2012
I am trying to access appSettings using the following syntax and I have used it before in my many website projects but not in a class library project. In this class library project I cannot even access the AppSettings Keys. Is there any way I could access the AppSettings Key from my class? Is the class library project's app.config or project structure behave in a different way?
[Code]...
I have already added Project Reference to System.Configuration and imported in my class. When I run my code it says, "Object not set to an instance of any object".
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Apr 8, 2009
I want to change my class library's settings from an another program. For this, I've made a Public property in my class library. It worked right. But this is not my question. I wonder this is a right method? Can I access a class library's settings (My Namespace) from other project directly?
[Code]...
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Mar 12, 2011
Solution has 3 Class Libraries and 1 Windows Form application projects. For no apparent reason, one of the Class Libraries keeps loosing its Settings. These are primarily configuration strings. When I try to add them back in the IDE, they disappear again without explanation.
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Jan 1, 2010
I have created a Class Library project to create a VB.net 2005 DLL file. I am trying to access My.Settings in this class library project and not able to. How would I do this?
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Jul 8, 2010
A while back, I wrote my own settings provider because I was having problems persisting settings in a class library. (Note - I had no problems persisting settings from an application).Today, I just did a test of persisting class library settings and it worked, without my custom provider.The test is:
(1) Create a class library
(2) Add a setting - 'Name'
(3) Add a class with a public shared property 'Name' that reads and writes to the setting 'Name'.
(4) Create an application that references the class library, and use the shared property to read and write the 'Name' setting.
I'm sure that before the 'Name' setting would persist while the application was open but after I closed it and re-opened it, the setting would revert to the default.This is not happening now and I'd like to be sure that I was being an idiot before and not an idiot now.
ETA: I've noticed that the first time I create a test app, change the setting, close, and reopen, the setting is not persisted. Subsequently it is. May be I gave up after one try before. Any ideas why it's not persisted the first time?
ETA2: As an example, I have a class library called 'MyLibrary' and a test application called 'MyApp'. I do the steps 1-4 above, and below are the contents of the user.config file found at C:Documents and SettingsUser NameLocal SettingsApplication DataMyAppMyApp.vshost.exe_Url_vi5gjcooahbdm2ma3dcay0mkexu2suul1.0.0.0. Note: I did not touch the settings in MyApp;-
<configuration>
<configSections>
<sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=2.0.0.0, Culture=neutral >
<section name="MyLibrary.My.MySettings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, allowExeDefinition="MachineToLocalUser" requirePermission="false" />
[code].....
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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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Feb 1, 2012
I am trying to create an msi install for my windows service. The reason for creating an msi is that the intended users want to be able to quickly install the service with as-little intervention as possible.
i can get the service to install as a msi but i have a variable within my code that i need the user to define when the msi is being installed. the variable i require from the user is the file path which they want the xml files my service creates to be located.
i thought i could configure the app.config application settings to contain the file path that the xml files should be written to. However i'm struggling to do this and im not to sure if its the best way to do it?
I have my setup project that contains my executable and has my textbox which will contain the one variable from the user.I have an installer class which contains my serviceinstaller and process installer. This is where im struggling to understand what i need to do next. Do i need to override the install method? The current code of my installer class was automatically generated and is as follows:
[Code]...
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Jul 14, 2011
windows services - Configure App.config Application Settings During MSI Install
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Apr 8, 2011
I have an application written in .NET 4.0 that i compile into a DLL file. I want to be able to use this DLL file in a Windows Forms .NET 2.0 application. I don't need the application to really interact much, except just passing a couple string values to the 4.0 DLL. The DLL is pretty much a bunch of Windows which i converted to UserControls and i just need to be able to reference them to display the UserControls from the 2.0 application without having to use a different exe and having to package them separately.
What is the best way to do this? Because when i try to add the reference to the DLL to the 2.0 application, it gives me and error saying the DLL is built in a newer version of .NET so i can't do it that way. Is this where a COM object would come in?
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Sep 28, 2010
Here is code in a form that is called from the "main" form:Imports
System.Data.SqlClient
Imports
ClassObjects
Imports
[Code]...
frmOdyssey is the main form, from which frmSearch is called. After the above processing, I want to go BACK to frmOdyssey to process the FilFilterGrid sub on the Grid defined on frm Odyssey. I will be assigning a new DataSource for the Grid, which will be "selected down" by the strFilter. The above code works with no issue whatsoever in "Windows Application" mode. However, if I switch to "Class Library" mode, I get
an error on the last line of the last Sub, telling me "Reference to a non-shared member requires an object reference". If I uncomment the "Dim f As New frmOdyssey" line, and change the "frmOdyssey" to "f" on the next line, the error goes away, but then the process doesn't work, because the "select down" does not happen. I don't know why, except that "logically" I don't want a "new version" of the frmOdyssey. I want to update the existing form.
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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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Nov 5, 2010
I'm trying to acces an application variable from my class library
i.e : my varaible contain the connection string initailized in application start method
Application("ConnectionString") = System.Configuration.ConfigurationManager.AppSettings("ConnectionString")
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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 25, 2012
I have a project that was created as a class library application. It does not have any start up forms. How do I add and show a start up form to this project? Where does this application start since there is no Main Sub that I can find. I am using Visual Studio 2008 express.
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Mar 1, 2011
I am using VB .NET 2003. I have created a user defined Class Library and created a reference to it in my application. Is there a way I can compile the application so that the Class Library DLL is embedded into the application? I would really like to be able to distribute the application without having to distribute the DLL as a second a file.
In other words, I made a New Class Library lets say called TEST. I developed a new class within this library called MYCLASS. I built the Library TEST and created TEST.DLL. I then made a new visual basic project called APP1. I added a reference to TEST.DLL. I now can use TEST.MYCLASS within my APP1 project. The application APP1.EXE will run in the test environment, but if I move it to the runtime environment it will give me an error "File or assembly name TEST or one of its dependencies was not found". To correct this error I can place TEST.DLL in the directory where APP1.EXE resides. I would prefer not to have to put TEST.DLL in the directory. Can I easily compile it into APP1?
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Jan 16, 2009
You can change the connection string at run-time like this. You make the connection string setting available for writing as a separate property inside the MySettings class:
Partial Friend NotInheritable Class MySettings
Public WriteOnly Property RunTimeConnectionString()
Set(ByVal value)
[code]....
Then, in some place when the application is being initialized (before using any table adapters of typed datasets), write something like:
My.Settings.RunTimeConnectionString = My.Settings.ProductionConnectionString
Where ProductionConnectionString is a simple String setting. It is a User Scope setting so every user can change it (by assigning a value to it, similar to the code above) and save it by calling My.Settings.Save()This code works well for connection strings which were initially created in the main project and stored in it's settings (= app.config file).
The connection string in the app.config actually has a longer name: MyApp.MySettings.MyConnectionString.When you have a connection string stored in the app.config in a class library project, and reference that project in the main project, the app.config files will somehow be merged, so the class library has it's settings.The thing that don't know how to do, is change a setting from the class library at run-time. I could copy the connection string setting from the class library to the main project's app.config. I must keep the same name, which looks something like: MyClassLibrary.My.MySettings.MyConnectionString.Can the same principle I showed above be somehow applied to this second connection string?
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Jan 16, 2012
I am not able to find the Exclude Command in VB 2010 Express. I have no idea which version of Visual Studio it is working with. I've got one 217MB VB 2010 Express file and many 2008 VB Express files with one of them measuring 31 MB. There many other SQL files and .Net Files.
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Aug 11, 2009
I am starting to use cryptostream class. I may be wrong, if you encrypt something, close the app, and then try to decrypt it, it will not be able to because a different key will be generated. Because I do need this functionality, I am wondering if it's possible to save the key in application settings and whether this is the right way to go?
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Jul 27, 2011
In VB.net I have a matrix object which I'm trying to save away in application settings and Im not recovering the settings correctly.
[Code]...
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Jun 21, 2011
I have a Visual Basic Class Library project. It generates a DLL. Is there a method to generate a static .LIB to which I can do a static link?Alternatively, can I do a static link against a DLL?
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Jan 18, 2010
is there any tool to validate configuration file?
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Jul 6, 2011
Our main application has both a asp.net and winforms component. There is a class that is used by both sides and needs info from either the web.config or app.config files. The class itself does not know if it's on the client side or on the web server (at this point). We are getting errors when it's attempting read app.config when it's on the web side. Is there a way for the class to tell if it needs to read web.config or app.config?
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