Visual basic configuration file

Chris Haas Chris Haas Yeah, I might reconsider that. Might be the simplest way to manage. Thinking it over.. BUt how about if it's Application scope? How do we change its value without we re-run the app? Hans Passant Hans Passant k gold badges silver badges bronze badges.

Fair enough.. I think it is ClickOnce that makes it hard. Still, I want to have a separate custom. I used a. BenAlabaster BenAlabaster Apologies, this has been fixed — BenAlabaster. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. If your needs are simple, you could be fine with this.

The connectionStrings section is the place to put your connection strings to any databases you want to access. This is a simple example:. Remember how the AppSettings only provided us with string values?

The Settings system was introduced in. NET 2. To use this, double click the properties of your project:. Then go to the settings tab. In the beginning, your project will not yet have a default settings file, so click on the link to create one. The Settings system has now created two new files under the Properties folder: Settings. They are automatically generated, so any changes will be overwritten anyway. The result of these two files is a class containing the settings as properties.

By the way, you can change the access public or internal by using the dropdown in the Settings tab of the project properties. Working with the Settings system will also alter your app. In the above example, our app. For more on the. There is a next step in app. These merit a separate article, so I will only cover them here shortly. One option would be for the author to document the necessary AppSettings.

Custom configuration sections give the class library author the solution to this. When the author has set it all up correctly, the developer using the library can add something like this to the app. This is taken from the. NET, the same mechanism is used in classic desktop apps. You can see that the pageAppearance is more complex than the simple AppSettings or Settings sections can handle. As I said, this is beyond the purpose of this article, but I encourage you to check out the documentation I linked to above.

But we can consider connection strings as a sort of application setting too. But the app. Remember how a default app. This is where we define which. NET runtime s the application supports. You could change this if your application needs to run on other higher or lower runtimes. The system. NET Web applications and control how the applications behave.

It holds most of the configuration elements needed to be adjusted in common applications. The basic syntax for the element is as given:. The following table provides brief description of some of common sub elements of the system.

It also allows configuring a validation key that performs message authentication checks on view-state data and forms authentication tickets. The basic syntax is:. Anadi Sharma. Kaushik Roy Chowdhury. University Code. Configuration File Schema Describes the schema hierarchy for startup, runtime, network, and other types of configuration settings. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.

Is this page helpful? Please rate your experience Yes No. Any additional feedback? Note Managed code can use the classes in the System. Note Starting with the. Submit and view feedback for This product This page. View all page feedback. In this article.