Some methods and properties of the ASP. NET Response Object

Response object: Output returned to the client

(1), Method:

Response.Write (): Output information to client

Response. Redirect (): redirect

Response . Clear (): clears all HTML pages in the buffer

Response . End (): terminates processing of the ASP and returns to the current state

Response.Flush (): immediately send out the buffer's HTML data

Response. WriteFile () reads a file and writes to the client output stream (in essence: Opens the file and outputs it to the client. ）

(2), properties

Response.ContentType The content type of the output stream, such as html (text/html) , normal text (Text/pain), or JPEG picture (image /jpeg).

encoding of the response.contentencoding output stream

Response.Cookies: A collection of Cookies returned to the browser

Response. Buffer : set buffering information, true | false. The default is true

Response. Expires: Gets or sets the number of minutes before the page that is cached on the browser expires, set to 0, expires immediately,

Type of property value : System.Int32

The number of minutes before the page expires.

Response.ExpiresAbsolute : Gets or sets the absolute date and time to remove cache information from the cache

Property value: System.DateTime ; the date and time when the page expires.

Response.CacheControl : The HTTP header, whose value is the cacheability enumeration.

Among them: CacheControl , expiresabsolute , Expires , have been discarded, in order to be compatible with the old version, so write .  

Now control the cache using Response 's Cache property:

Response.Cache : Gets the Web page's Caching policy ( for example, expiration time, privacy settings, and change terms )

Response.Cache.SetExpires(): Set cache expiration date

Response.Cache.SetNoStore():// Sets the Cache-control:no-store HTTP header. and Response.CacheControl = "No-cache"; function as well. /

Requst object: Reads the request message data from the browser.

Post mode data: requst.form[""]

URL data: requst.querystring[]

Both post and URL can be obtained using request["" "

The code to disable caching on the ASP. NET Server is as follows:

          ///caching is disabled on the server side, so server-side caching fails, and every time you need to load code from the server sideResponse.Buffer =true; Response.ExpiresAbsolute= DateTime.Now.AddDays (-1);///to be compatible with older versionsResponse.Cache.SetExpires (DateTime.Now.AddDays (-1)); Response.Expires=0;///to be compatible with older versions///Response.CacheControl ="No-cache";///to be compatible with older versionsResponse.Cache.SetNoStore ();///sets the Cache-control:no-store HTTP header.

The client disables the cache code as follows:

<http-equiv= "Pragma"  content= "No-cache"/>  <  http-equiv= "Cache-control"  content= "No-cache, must-revalidate"  /><http-equiv= "Expires"  content = "0" />

Partial methods and properties of an ASP. Response object