Types of cookies

1. In-memory cookies also called as Session cookies or Non-Persistent cookies
   • These cookies are saved in memory and will be lost while closing your browser.
2. Persistent cookies
• A persistent cookie is saved as a text file in the file system of the client computer usually under Temporary Internet Files folder. To create persistent cookie we need to set cookie Expires property. Generally we go for persistent cookies to implement the features like “Remember me” option OR to store user information such as selected theme.

HttpCookie cookie = new HttpCookie("Username", "Mr. Ponna");
cookie.Expires = DateTime.Now.AddDays(7); // creating A persistent cookie for 7 days

Response.Cookies.Add(cookie);