What happens when you change the web config file at run time

the answer i found :- ASP.NET

What happens if changes are made to the web config file while the web application is running?

When you edit the web. config, It will restart the AppDomain (NOT AppPool) of that web application and clears the all occupied resources and memory. So other web applications running under that App Pool will not be affected. Also it will clear the sessions (in-proc) and memory cache.

Does Web config override machine config?

The machine. config file file is at the highest level in the configuration hierarchy while Web. config file is to override the settings from the machine. config file.

How do you change web config?

1. Open the Internet Information Services manager. …
2. Expand the Web Sites node, then expand the Default Web Site node.
3. Right-click EFTAdHoc, then click Properties.
4. In the Properties dialog box, click the ASP.NET tab. …
5. Click Edit Configuration. …
6. Click the General tab.

Can we dynamically change the key value in web config?

config file dynamically. This is simple and useful application for those who wants dynamic changes in the web. config file. The sample source code allows you to change the key and value pair.

What is the web config file used for?

web. config file is a xml based configuration file used in ASP.NET based application to manage various settings that concerned with configuration of our website.

Do I need to restart IIS after changing web config?

Changes to the web. config will trigger the app to be reloaded by IIS as soon as there are 0 connections left to the app. You can also stop and restart the app pool that the app is assigned to in order to make this happen. You do not need to stop and restart IIS itself.

What is the purpose of Web config Transforms?

A Web. config transformation file contains XML markup that specifies how to change the Web.config file when it is deployed. You can specify different changes for specific build configurations and for specific publish profiles.

How do I use different web config files?

config (or any file) when you press F5 in Visual Studio. You can have different transformations based on the build configuration. This will enable you to easily have different app settings, connection strings, etc for Debug versus Release. If you want to transform other files you can do that too.

What is difference between web config and machine config?

The web. config files specify configuration settings for a particular web application, and are located in the application’s root directory; the machine. config file specifies configuration settings for all of the websites on the web server, and is located in $WINDOWSDIR$\Microsoft.Net\Framework\Version\Config.

Article first time published on

What is difference between app config and web config?

web. config file is automatically generated when new web application created. app. config is not added automatically to an application.

Is Web config mandatory?

Yes, you will be able to run an ASP.NET application without a WEB. CONFIG file in its root folder. If the application doesn’t find a WEB. CONFIG file in its root folder, then it will take MACHINE.

Can we update web config settings programmatically?

You can open the web. config for modification using WebConfigurationManager class. Then you get hold of the section to be modified using Configuration class. … For example, for <appSettings> section there is a class called AppSettingsSection in the System.

How do I update AppSettings in web config?

1. Add a new key. var config = ConfigurationManager. …
2. Edit an existing key’s value. var config = ConfigurationManager. …
3. Delete an existing key. var config = ConfigurationManager. …
4. Add a new key. var xmlDoc = new XmlDocument(); xmlDoc. …
5. Edit an existing key’s value. …
6. Delete an existing key.

Which of the following fields is modified to make the configuration change setting available to all Windows and Web applications?

config” which is used for configuring the settings for a Web application and the other is “App. config” used for Windows application settings. Any changes made to the Web.

Why do we need to restart IIS?

When you do an IIS reset, that restarts all applications running on that IIS instance. You might need to restart Internet Information Services (IIS) before certain configuration changes take effect or when applications become unavailable.

How do I stop and restart IIS?

1. Type NET STOP IISADMIN and press Enter.
2. Once the service has stopped, type NET START IISADMIN and press Enter.
3. Type NET START W3svc and press Enter.

What is Iisreset command?

The IISRESET STOP command stops all IIS services. This includes shutting down any active IIS worker processes, and killing them if they do not stop in time. During the stop, the web server stops listening for any incoming requests.

Can we have a Web application running without web config file?

Yes, we can run Asp.net web application without wen. config file. It will take the default settings for application from Machine. config.

Can we have 2 web config files?

Yes you can have two web. config files in application. There are situations where your application is divided in to modules and for every module you need separate configuration. For example if you have a application which has two modules lets say accounts and sales.

Can we use Web config in .net core?

The web. config file has also been replaced in ASP.NET Core. Configuration itself can now be configured, as part of the application startup procedure described in Startup.

How do I manage multiple Web config files?

1. First create one new web application that contains Default.aspx page and one web.config file. …
2. After that write the following code in root folder web.config file appsettings section like this.

Where is Web config configuration file?

config file is located in the %SystemRoot%\Microsoft.NET\Framework\%VersionNumber%\CONFIG\ folder. The default settings that are contained in the Machine.

How do I open a web config file?

1. Go to Persona Bar > Settings > Config Manager.
2. Go to the Config Files tab.
3. Choose the configuration file from the dropdown list.

How can create web config file in Visual Studio code?

In Solution Explorer, right-click your Web site name, and then click Add New Item. In the Templates window, click Web Configuration File. The file name in the Name text box should be Web. config.

How do I enable transformations on build in Visual Studio?

1. Unload the project.
2. Edit .csproj.
3. Append figure 1 to the end of the file just before </Project> ; v12.0 my change depending on your version of Visual Studio.
4. Save .csproj and reload.
5. Open configuration manager.
6. Add a new Configuration Name: Base. …
7. Copy the contents of your web.config.

How do I enable debugging in web config?

In the Web. config file, locate the compilation element. Debugging is enabled when the debug attribute in the compilation element is set to true. Change the debug attribute to false to disable debugging for that application.

When should I use app config?

The app. config file is an XML file whose goal it is to contain any variable configuration of your application. It is a central place to put: Connection strings to databases.

What is machine config comments file?

config files contain comments that make editing the file self-explanatory. … config file in a text editor such as Notepad. The Machine. config file is located in the %SystemRoot%\Microsoft.NET\Framework\%VersionNumber%\CONFIG\ directory.

What is machine config file how many machine config files are there in a server?

You can have only one machine. config file in your system (one per system only) and it resides in the \WINDOWS\Microsoft.Net\Framework\vXXXX\CONFIG directory.

Where is app config file located?

config, contains settings that apply to an entire computer. This file is located in the %runtime install path%\Config directory. Machine. config contains configuration settings for machine-wide assembly binding, built-in remoting channels, and ASP.NET.