Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. The Web. NET applications. The Microsoft. This is a departure from conventional registry and metabase configuration mechanisms.
Currently there's no Microsoft Management Console MMC snap-in or other Microsoft-provided administration tool for creating and for modifying. Most ASP. NET applications come with a prebuilt Web. Generally, Web. However, you may have to add configuration items to a Web. This could be one of the main reasons that I started writing this article. This article would be a quick reference for the professional developers and for those who just started programming in.
This article would help them to understand the ASP. NET configuration in an efficient way. The readers may skip the reading section "Authentication, Authorization, Membership Provider, Role Provider and Profile Provider Settings", as most of them are familiar with those particular settings.
In this article, I am going to explain about the complete sections and settings available in the Web. In the later section of the article, we will see the. NET classes that are used to work with the configuration files. The contents of the articles are summarized below:. The following are brief points that can be understood about the Web.
Before we start working with configuration settings of ASP. NET, we see the hierarchy of the Web. So from the above tree structure, we can understand that the configuration tag is the root element of the Web. Each element can have any number of attributes and child elements which specify the values or settings for the given particular section. In the configuration hierarchy, the most common thing we will work with is the system.
Now we look at some of the child sections of the system. If you are using Visual Studio , probably the only available section of Web. If you want to specify the target framework or if you need to add an assembly from the Global Assembly Cache GAC or if you want to enable the debugging mode of the application, you can take Compilation settings as granted for these tasks.
The following code is used to achieve the discussed settings:. Under the assemblies element, you are supposed to mention the type, version, culture and public key token of the assembly.
In order to get the public key token of an assembly, you need to follow the below mentioned steps:. Explicit and sample attributes are applicable only to VB. NET and C compiler however ignores these settings. Ok, by this time, we have got familiar with the Web.
As an ASP. NET application consists of several number of pages, we can set the general settings of a page like sessionstate , viewstate , buffer , etc.
By using the MasterPageFile and theme attributes, we can specify the master page and theme for the pages in web application. The next section of Web. Now we will see the description of the customErrors section of the Web.
The subsection of customErrors section allows redirecting to specified page depending on the error status code. If you are working with a major project, probably you might have numerous numbers of folders and sub-folders, at this kind of particular situation, you can have two options to work with.
First thing is to have a Web. If you use the first approach, then you might be in a smoother way, but what if you have a single Web. However you can use this tag in either of the discussed methods. As we all know, the ASP. NET is stateless and to maintain the state we need to use the available state management techniques of ASP.
View state and session state are among them. For complete information about view state and Session State and how to work with, there are some excellent articles in CodeProject, which you can refer here:. Now we'll see the Web. HttpHandler is a code that executes when an http request for a specific resource is made to the server. For example, request an. NET page handler is executed, similarly if an.
NET service handler is executed. NET is capable of handling. You can create your own custom http handler, register it with IIS and receive notice whenever a request is made. For doing this, you just need to create a class which implements IHttpHanlder and then you need to add the following section of configuration settings in the web. For this demonstration, I have created a sample imagehandler class which displays a JPG image to the browser.
You can go through the imagehandler class code in the sample download code. Environment variables can be specified for the process in the processPath attribute. Environment variables set in this section take precedence over system environment variables. The following example sets two environment variables in web. A developer may temporarily set this value in the web. An alternative to setting the environment directly in web.
This approach sets the environment in web. For example, IIS configuration is functional for dynamic compression. NET Core app. To set environment variables for individual apps running in isolated app pools supported for IIS Configuration sections of ASP. NET 4. NET Core apps for configuration:. NET Core apps are configured using other configuration providers. For more information, see Configuration. If you need to transform web. You might need to transform web. Skip to main content. This browser is no longer supported.
Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? However, the lines provide a structure that permits you to add future configuration settings. You add the majority of the ASP. These lines mark the beginning and the end of the ASP. NET configuration settings. NET Configuration. Format of ASP. NET Configuration Files.
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