1.创建一个新的cookie,并赋值。

HttpCookie cookie;

cookie=
new HttpCookie(
"user");

cookie.Domain = AppConfig.DomainName;

cookie.Values.Add(
"Username",username);

cookie.Values.Add(
"ldapStr",FindUserlist.Table.Rows[0][
"ldapStr"].ToString());

Response.AppendCookie(cookie);
2.获取cookie的值
3、写Cookie 值

HttpCookie myCookie =
new HttpCookie(
"CookieName");

myCookie.Values.Add(
"CookieItem1",
"CookieItem1Value");

myCookie.Values.Add(
"CookieItem2",
"CookieItem2Value");

myCookie.Expires = DateTime.Now.AddDays(30);

Response.AppendCookie(myCookie);
4、清除Cookie值

HttpCookie myCookie = HttpContext.Current.Response.Cookies[
"CookieObjectName"];
if(myCookie !=
null)

myCookie.Expires = DateTime.Now;