Before we start, it could be wise to quickly summarize what a Windows Service actually is and how it differs from a standard console program or desktop application. NOTE : the most recent version of the source code explained in this post is now fully available on GitHub : if you like it, be sure to give it a star! In Windows-based operating systems, the term Windows Service refers to a computer program without a user-interface that completely operates in the background. If you know Unix-based environments, you could think of it as a Windows version of a typical Unix daemon. A Windows service must conform to the interface rules and protocols of the Service Control Manager , the kernel component responsible for managing Windows services. Each service can also be configured to run within a context of a specific user or system account: for example, most Windows services that come shipped with the OS are pre-configured to run within the context of three system accounts: System , Network Service and Local Service.
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Windows Services normally start when the OS boots and runs an application in the background. Windows Services executes applications in its own session. It either starts automatically or we can manually pause, stop, and restart it. Before you can run a Windows Service, you need to install the Installer, which registers it with the Service Control Manager. Its has a Constructor, which contains the InitializeComponent method. The InitializeComponent method contains the logic which creates and initializes the user interface objects dragged on the form's surface and provides the Property Grid of Form Designer.
When any user requests for a web page, the server sends back the requested page. The Web server typically passes the form information to a small application program that processes the data and may send back a confirmation message. The Common entree Interface CGI may be a set of rules for running scripts and programs on an online server. Most net servers embrace a cgi-bin directory within the root folder of every web site on the server.
Web Service is known as the software program. These services use the XML to exchange the information with the other software with the help of the common internet Protocols. In the simple term, we use the Web Service to interact with the objects over the internet. XML: Web Service specifies only the data. So, the application which understands the XML regarding the programming language or the platform can format the XML in different ways.