Common cross-page value transfer methods

1. querystring

Request. querystring ["paraname"] // pass the "paraname" Value

2. Pass the form-Post Control Value

3. Sending cookies

Set a single-value cookie

1). httpcookie ck_animal = new httpcookie ("animal ");

2). ck_animal.value = "cat ";

3). ck_animal.expires = datetime. Now. addday (1 );

4). response. Cookies. Add (ck_animal );

Read Single-value Cookie Information

You need to add a judgment to determine whether the cookie exists. Read data only when it exists.

Judgment:

If (request. Cookies ["animal"]! = NULL)

{

_ Mystr = request. Cookies ["animal"]. value;

}

Delete Single-value Cookie Information

How to delete a cookie:

Set the validity period expire of cookiename to an expiration date and write it to the client hard disk again.

Standard writing:

Response. Cookie ["animal"]. expires = datetime. minvalue;

 

4. Application Transfer

5. Session Transmission