Change and delete cookies

Increase:

The first method : response.cookies["UserName"]. Value= "Zhang San"

response.cookies["UserName"]. Expires=datetime.now.adddays (1);

The second method:

HttpCookie cookie=new HttpCookie ("UserName");

Cookies. Value= "Zhang San";

Cookies. Expires=datetime.now.adddays (1);

RESPONSE.COOKIES.ADD (cookie);

Multi-value Cookies (sub-key):

The first method:

response.cookies["UserInfo" ["UserName"]= "Zhang San";

response.cookies["UserInfo" ["pwd"]= "123";

response.cookies["UserInfo"]. Expires=datetime.now.adddays (1);

The second method:

HttpCookie cookie=new HttpCookie ("UserInfo");

Cookies. Values ("userName") = "Zhang San";

Cookies. Values ("pwd") = "123";

Cookies. Expires=datetime.now.adddays (1);

RESPONSE.COOKIES.ADD (cookie);

Delete:

Delete a single Cookies

response.cookies["UserName"]. Expires=datetime.now.adddays (-1);

Delete all the Cookies

HttpCookie Acookie;

String CookieName;

int count=request.cookies.count;

for (int i=0;i<count;i++)

{

Cookiename=request.cookies[i]. Name;

Acookie=new HttpCookie (cookiename);

Acookie.expires=datetime.now.adddays (-1);

RESPONSE.COOKIES.ADD (Acookie);

}

Delete a single child key

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

ACookie.Values.Remove ("UserName");

Acookie.expires=datetime.now.adddays (-1);

RESPONSE.COOKIES.ADD (Acookie);

Modify:

Modify a single cookie

response.cookies["UserName"]. Value= "John Doe";

response.cookies["UserName"]. Expires=datetime.now.adddays (1);

Modify a single sub-key

response.cookies["UserInfo" ["pwd"]= "234";

response.cookies["UserInfo"]. Expires=datetime.now.adddays (1);

Read:

If (request.cookies["UserName"]!=null)

{

lable1.text=request.cookies["UserName"]. Value;

}

Or

If (request.cookies["UserName"]!=null)

{

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

Lable.text=cookie. Value;

}

multi-valued reads :

If (request.cookies["UserInfo"]!=null)

{

lable1.text=request.cookies["UserInfo" ["UserName"];

lable2.text=request.cookies["UserInfo" ["pwd"];

}

Read all the Cookies

for (int i=0;i<request.cookies.count;i++)

{

Acookie=request.cookies[i];

String Name=acookie.name;

String Value=acookie.value;

}

Adding and deleting cookies