Each time a webpage is sent to a server, a new instance of the webpage class is created. In traditional WEB programming, this usually means that all information associated with the page and controls on the page will be lost during each round trip. For example, if you enter the information in the text box, the information will be lost in the round-trip from the browser or client device to the server.
To address the inherent limitations of traditional WEB programming, ASP. NET includes several options to help you retain data by PAGE andProgramData is retained within the specified range. These functions are as follows:
View status, control status, hidden domain, cookie, and query string all involve storing data on the client in different ways. The Application Status, session status, and configuration file attributes all store data in the memory on the server. Each option has different advantages and disadvantages, depending on the corresponding solution.