Cookies are used to store the credentials and providing and remembering it whenever needed.

Cookies are on both side client side as well as on server side.

Types of Cookies:

Persistent

Non-persistent

Persistent cookies exists till their life time expires

Non-persistent cookies dont have expiry time associated with it . It expires as soon as the browser or window is closed

Creating Cookies

//Creting a Cookie Object
HttpCookie userInfoCookies = new HttpCookie("UserInfo");

//Setting values inside it
userInfoCookies["UserName"] = "Abhijit";
userInfoCookies["UserColor"] = "Red";
userInfoCookies["Expire"] = "5 Days";

//Adding Expire Time of cookies
 userInfoCookies.Expires = DateTime.Now.AddDays(5);

//Adding cookies to current web response
Response.Cookies.Add(userInfoCookies);