Asp. NET read and write cookie Data sample code

ASP. NET Cookies: Create Cookie Method (1)


response.cookies["UserName"].  Value = "admin";


response.cookies["UserName"].  Expires = DateTime.Now.AddDays (1);


//If no expiration time is set, the cookie information will not be written to the user's hard drive and the browser shutdown will be discarded.





ASP. NET Cookies: Create Cookie Method (2)


HttpCookie acookie = new HttpCookie ("lastvisit");


//Last access time


Acookie.value = DateTime.Now.ToString ();


acookie.expires = DateTime.Now.AddDays (1);


Response.Cookies.Add (Acookie);





ASP. NET Cookies: Access Cookie Method (1)


if (request.cookies["userName"]!= null)


Label1.Text = Server.HTMLEncode (request.cookies["UserName").   Value);





Access Cookie Method (2)


if (request.cookies["userName"]!= null) {


HttpCookie acookie = request.cookies["UserName"];


Label1.Text = Server.HTMLEncode (Acookie.value);


}  





ASP. NET cookies: Creating a multivalued cookie method (1)
response.cookies["UserInfo" ["userName"] = "admin";


response.cookies["UserInfo" ["lastvisit"] = DateTime.Now.ToString ();


response.cookies["UserInfo"].   Expires = DateTime.Now.AddDays (1);





ASP. NET cookies: Creating a multivalued Cookie method (2)
HttpCookie acookie = new HttpCookie ("UserInfo");


acookie.values["userName"] = "admin";


acookie.values["lastvisit"] = DateTime.Now.ToString ();


acookie.expires = DateTime.Now.AddDays (1);


Response.Cookies.Add (Acookie);





ASP. NET cookies: Read multivalued cookies


HttpCookie acookie = request.cookies["UserInfo"];


string username=acookie.values["UserName"];


string lastvisit=acookie.values["lastvisit"];





ASP. NET cookies: modifying and deleting cookies
cannot modify or delete cookies directly, only a new cookie can be created and sent to the client to implement modify or delete cookies.