asp.net use cookies to save user passwords automatically login

This article to learn how to use cookies in the ASP.net to save the user's account password to achieve the function of automatic login, to emphasize that cookies are stored on the client, is not safe, the recommended use of MD5 encryption to save.

asp.net, use cookies to save account password, login automatically ...

Creating cookies

Writing cookies to the client

HttpCookie hcUserName1 = new HttpCookie ("uname"); Create a cookie named uname

Hcusername1.expires = DateTime.Now.AddDays (7); Set the valid time for this cookie

Hcusername1.value = uname; Assign a value to a cookie (that is, the account you want to save, or the password)

HTTPCONTEXT.CURRENT.RESPONSE.COOKIES.ADD (HCUSERNAME1); Submitting cookies

Extract Cookies

if (httpcontext.current.request.cookies["uname"]!= null)//If this uname cookie is not empty

String uname = httpcontext.current.request.cookies["uname"]. Value.tostring (); Extract Cookies

Destroying cookies

Set the cookie time to-1, that is, the cookie expires, destroys

httpcontext.current.response.cookies["Uname"]. Expires = DateTime.Now.AddSeconds (-1);