Cookies In ASP.NET;-

There are three types of classes which allows to work with cookies ...

1- HttpCookie
2- HttpRequest
3- HttpResponse

HttpCookie-
This cookie property allows to create and Manupulate individual Http cookies in asp.net

HttpRequest-
This property allows to access cookies from client machine

HttpResponse-
This property allows to save and create cookie in client machine.


HttpResponse and HttpRequest :

How To create cookies in asp.net


Response property is used to create cookies__
So,

 
Response.Cookies("Name").Value = "Jason Bourne";

This line is saving the cookie where the cookie name is"Name" and the value is "Jason Bourne" in client machine...


How to set the time of expiration of cookie

 
Response.Cookies("Name").Expires = DateTime.Now.AddDays(1);

This line is using to set the expire date of this cookie which is 1 day.


How to retrieve values from cookies


string name = this.context.Request.Cookies("Name").Value;

This line of code is retrieving the value from the cookie and stroing the string variable name and the value of cookie is "Jason Bourne" which we save before...

If this cookie dosen't have any value then the string will return empty.


HttpCookie:

HttpCookie is also a very useful class in creating and retrieving the values from cookies_


 HttpCookie cook = new HttpCookie("Name");
 cook.Value      = "Jason Bourne";
 cook.Expires    = DateTime.Now.AddDays(1);
 Response.Cookies.Add(cook);

Conclusion

We have learned how to create cookies, Retrieve the values from Cookies, How to set the expire time of cookies etc.

Thanks !!

Nikhil Kumar