Working with Multivalued Cookies
According to the cookie specifications, browsers should not store more than 20 cookies from a single domain. You can work around this limitation by creating multivalued cookies.
A multivalued cookie is a single cookie that contains subkeys. You can create as many subkeys as you need.
For example, the page in Listing 28.7 creates a multivalued cookie named preferences. The preferences cookie stores a first name, last name, and favorite color (see Figure 28.3).
Figure 28.3. Creating a multivalued cookie.
Listing 28.7. SetCookieValues.aspx
When you submit the page in Listing 28.7, the following HTTP header is ...
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