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Sending Content to the Browser

Bank Of America Investment As a script in an ASP page is processed, any text or graphics not enclosed

CSS files are just text files that separate page content from its appearance. The content of a page goes into an HTML file while the appearance goes into a style sheet. But how does it appear on the reader’s browser The style sheets just suggest the web browsers how to draw a page. They give a set of instructions to the browser. However, it depends on the browser if it can support style sheets instructions or not.

Investment Opportunity Within ASP delimiters or <SCRIPT> tags is simply returned to the browser.

What Are Cookies A cookie is a very small text document, which often includes an anonymous unique identifier. When you visit a Web site, that site's computer asks your computer for permission to store this file in a part of your hard drive specifically designated for cookies. Each Web site can send its own cookie to your browser if your browser's preferences allow it, but (to protect your privacy) your browser only permits a Web site to access the cookies it has already sent to you, not the cookies sent to you by other sites.

Banc Of America Investment You can also explicitly send content to the browser by using the

Information can be divided into two parts – content and appearance. When a user sends request for a page to download, the browser fetches the HTML document, which links to the CSS document. If the browser supports the format described in CSS, it displays the page accordingly.

Banking Investment Response object.

Then, you use PHP's header() function to alter the document headers sent by the script. This time, you make the mpegurl, the suggested content type for a PLS file. In addition, the Disposition line will trigger the user's web browser to download the file rather than attempt to display it in the browser or do something else with it. Note that you can give the file a name with this particular header as well.

Investment Solution Strategic To send content to the browser from within ASP delimiters or from a

Apache sometimes changes the quality values from what would be expected by a strict interpretation of the Apache negotiation algorithm above. This is to get a better result from the algorithm for browsers which do not send full or accurate information. Some of the most popular browsers send Accept header information which would otherwise result in the selection of the wrong variant in many cases. If a browser sends full and correct information these fiddles will not be applied.

Investment Banking Services Procedure, use the Write method of the

Bank Investment Response object. For example, the following statement sends a

Alternative Investment Different greeting to the user depending on whether the user has visited the

Online Investment Services Page before: <%

Accompany Essential Investment If blnFirstTime Then

Investment Company Response.Write "<H3 ALIGN=CENTER>Welcome to the Overview Page.</H3>"

Investment Management Solution Else

Investment Management Services Response.Write "<H3 ALIGN=CENTER>Welcome Back to the Overview Page.</H3>"

Guide Investment Stock End If

Investment Manual Solution %>

Investment Stock Outside of a procedure, you do not have to use

Essential Investment Solution Response.Write to send content back to the user. Content that

Citicorp Investment Services Is not within scripting delimiters is sent directly to the browser, which

Fool Guide Investment Motley Formats and displays this content accordingly. For example, the following script

Fidelity Investment Services Produces the same output as the previous script: <H3 ALIGN=CENTER>

Investment Management <% If blnFirstTime Then %>

Francisco Investment San Welcome to the Overview Page.

Mellon Investment Services <% Else %>

Finance Investment Welcome Back to the Overview Page.

Investment Manual Science <% End If %>

Investment Advisory Services </H3>

Advice Investment Intersperse script commands and HTML when you just need to return output once

Guide Investment Or when it is more convenient to add statements to existing HTML text. Use

Chase Investment Services Response.Write when you do not want to break up a statement

Firm Investment With delimiters or when you want to build the string that is returned to the

Financial Investment Services Browser. For example, you could construct a string of text that builds a table

Investment Securities Row with values sent by an HTML form: Response.Write "<TR><TD>" & Request.Form("FirstName") _

Property Investment Services & "</TD><TD>" & Request.Form("LastName") & "</TD></TR>"

Calculator Investment Request.Form returns the values sent from an HTML form (see

Northwestern Mutual Investment ).

Brokerage Investment Note The ampersand character (&) is the

Domain Name Investment String-concatenation character for VBScript. The underscore (_) is the VBScript

Investment Putnam Line-continuation character.

Bank Investment Ohio Savings When the Web server returns a file to a browser, it tells the browser what

Advisor Investment Type of content is contained in the file. This enables the browser to determine

America Bank Bank Investment Whether it can display the file itself or whether it has to call another

Club Investment Application. For example, if the Web server returns a Microsoft Excel worksheet,

Global Services Investment The browser must be able to start a copy of Microsoft Excel to display the page.

Investment Online The Web server recognizes file types by mapping the file name extension to a

Cigna Retirement Investment List of MIME (Multipurpose Internet Mail Extensions) types. For

Investment Return Example, to start Microsoft Excel, the browser needs to recognize the

Investment Consulting Services Application/vnd.ms-excel MIME type.

Estate Investment Real Trust You can use the ContentType

Chase Corp Investment Services Property of the Response object to set the HTTP content type

Banker Investment String for the content you send to a user. For example, the following command

Fraud Investment Lawyer Sets the content type for channel definitions: <% Response.ContentType = "application/x-cdf" %>

Estate Finance Investment Real For more information about channels, see in this topic.

Altamira Investment Services Other common content types are text/plain (for content returned as text

Estate Investment Property Instead of interpreted HTML statements), image/gif (for GIF images), image/jpeg

Amtrust Bank Investment (for JPEG images), video/quicktime (for movies in the Apple QuickTime?format),

Essential Investment And text/xml (for XML documents). In addition, a Web server or Web browser may

Explore Investment Services Support custom MIME types. To see the content types already defined by your

Classics Investment Operator Microsoft Web server, use the

Stock Investment Services To open the property sheets for your Web site, click the HTTP

Fraud Investment Headers tab, and then click the File Types tab. These

Amsouth Investment Services File types may be used as a reference when you choose to manually set the

Investment Loan Property Content type with ASP.

Exchange Investment Property Instead of sending content to a user, you can redirect the browser to another

Bind Card Essential In URL with the Redirect method. For example, if you want to make

Pfpc Alternative Investment Sure users have entered your application from a home page so that they receive a

Book Ever Free Goal Investment Customer ID, you can check to see if they have a customer ID; if they do not,

America Banc Bank Investment You can redirect them to the home page. <%

Home Investment Loan If Session("CustomerID") = "" Then

Professional Investment Response.Redirect "Register.asp"

Fremont Investment Loan End If

Prudential Investment %>

Investment Strategy Server-side scripts which are processed before any content is sent to the

Weidner Investment Services User are said to be buffered. ASP enables you to turn buffering on or

Casting Investment Off, and this configuration can greatly affect the behavior of the

Investment Advisor Services Redirect method. Specifically, if you have buffering turned

Best Investment Off, then you must redirect the browser before your page's HTTP headers are

Citizen Investment Services Returned to the browser.

Aim Investment Place the Response.Redirect statement at the top of the

Agricultural Investment Page, before any text or <HTML> tags, to ensure that nothing has been

Building Estate Estate Returned to the browser. If you use Response.Redirect after

Intersect Investment Services Content or headers have been returned to the browser, you will see an error

Investment News Message. Also note that Response.Redirect does not

Investment Real Estate Need to be followed by .

Business Investment If you want to use Response.Redirect from the middle of a

Advisor Frontier Investment Page, use it along with the Response.Buffer property, as

Funds Investment Explained in the section in this

Investment Missouri Services Topic.

Broker Investment Transferring Between .ASP Files

Investment Services Suntrust Using Response.Redirect to redirect a browser requires a

Fundamentals Investment Round-trip, meaning that the server sends an HTTP response to the

Bancwest Investment Services Browser indicating the location of the new URL. The browser automatically leaves

Dictionary Finance Investment The server's request queue and sends a new HTTP request for this URL. The server

Fiserv Investment Support Then adds this request to the request queue along with other client's requests

Quadrus Investment Services That arrived in the meantime. For a busy Web site, round-trips can waste

Investment Plan Services Bandwidth and reduce server performancespecially when the browser is

Investment Land Redirected to a file located on the same sever.

Financial Investment You can use the Server.Transfer method to transfer from one

American Enterprise Investment .asp file to another file located on the same server instead of the

Investment Retirement Response.Redirect method. With Server.Transfer

Check Free Investment Services You can directly transfer requests for .asp files without ever leaving the

Investment Property Turkey Server request queue, thus eliminating costly round-trips.

Accounting Investment Services For example, the following script demonstrates how you could use

Club Estate Investment Real Server.Transfer to jump between the pages of an application

Capital Investment Services Depending on state information: <%

Investment Manager If Session("blnSaleCompleted") Then

Diversified Investment Server.Transfer("/Order/ThankYou.asp")

401k Fidelity Investment Else

American Investment Services Server.Transfer("/Order/MoreInfo.asp")

In Investment Property Turkey End if

Investment Development %>

In Investment Stock Server.Transfer sends requests from one executing .asp file

Investment Other Services To another file. During a transfer, the originally requested .asp file

America Investment Services Immediately terminates execution without clearing the output buffer (for more

Estate Estate Finance Finance Information, see the section). Request

Boeing Investment Services Information is then made available to the destination file when it begins

Investment Brokerage Services Execution. During execution, this file has access to the same set of intrinsic

Primerica Financial Services Objects (Request, Response,

Investment Vanguard Server, Session, and

Investment Key Services Application) as the originally requested file.

Fremont Investment You can also use Server.Transfer to transfer between .asp

Hotel Investment Services Files located in different applications. However, when you transfer to an .asp

China From Investment Profit File located in another application, the file will behave as if it was part of

Investment Services Uk The application that initiated the transfer (that is, the file has access only

Ever Guide Investment Ll Need To variables scoped for the initiating application, not for the application

Brother Christian Investment Where the file actually resides). For example, if you transfer from a file

America Bank Investment Located in the Sales Application to a file located in the Personnel Application,

Aegon Diversified Investment Then the Sales Application effectively borrows this file from the Personnel

Investment Lender Mortgage Application and runs it as if it were part of the Sales Application.

Business Economy Financial ASP also provides the Server.Execute command that you can

Franklin Investment Templeton Use to transfer to a file, execute its content, and then return to the file that

Global Investment Services Initiated the transfer. If you are familiar with VBScript, it will help you to

Gold Investment Think of Server.Execute as analogous to a procedure call,

Aim Investment Services Except that instead of executing a procedure, you are executing an entire .asp

Beat Can Fool Fool Guide File.

Rowe Price Investment Services For example, the following script demonstrates how you could use

Direct Foreign Investment Server.Execute to do dynamic inclusion of .asp files: <%

Investment Services Directive .

Hyip Investment .

Investment Moodys Services .

County Investment Orange If blnUseDHTML Then

Training Investment Services Server.Execute("DHTML.asp")

Home Investment Mortgage Else

Fidelity Institutional Server.Execute("HTML.asp")

Investment Mortgage Property End If

Investment Performance .

Equity Finance Hill Investment .

Assetmark Investment Services .

Advisor Compliance Investment %>

Access Account America As long as the destination file belongs to an application on the same server,

From Investment Profit Uranium The originating application will transfer to this file, execute its contents,

Investment Property Exchange And then resume executing the file that initiated the transfer. Just as with

American Century Investment Server.Transfer, an executed .asp file behaves as if it were

Nationwide Investment Services Part of the originating application. Server.Execute, however,

Agency Investment Sell Will not work across servers. For more information, see Server.Execute.

Investment Orlando Property By default, the Web server processes all script commands on a page before any

Investment And Retirement Content is sent to the user. This process is known as buffering. You

Home Investment Can use the Buffer property of the Response

Accidental Banker Decade Object to disable buffering, so that the Web server returns HTML and the results

National Investment Services Of scripts as it processes a page.

Foreign Investment The advantage of buffering your .asp files is that you can abort sending a

Cco Investment Services Corp Web page if, for example, the script processing does not proceed correctly or if

Investment Portfolio A user does not have appropriate security credentials. Instead, you can transfer

Investment Valuation The user to another page using Server.Transfer, or clear the

Investment Services Uvest Buffer (using the the Clear method of the

High Investment Yield Response object) to send different content to the user.

Agency Government Investment Depending on your application, you may want to use the Clear

Introduction Investment Method before transferring. The following example uses both of these

Company Investment Management Methods: <HTML>

Investment Ltv Mortgage <BODY>

Investment Services Company .

Advice Asset Choice Finance In .

Computershare Investment .

Averaging Classics Easy Higher <%

Bank Financial Investment If Request("CustomerStatus") = "" Then

Angeles Investment Los Response.Clear

Chesapeake Investment Services Server.Transfer("/CustomerInfo/Register.asp")

Investment Loan Else

Best Creating Dividend Growth Response.Write "Welcome back " & Request("FirstName") & "!"

Investment Offshore .

Investment Newsletter .

Banking Career Guideinvestment .

Real Estate Investment End If

Investment Banking %>

Investment Banks </BODY>

Stock Investment Guide </HTML>

Stock Investment You could also use Response.Buffer to prevent the Web server

Motley Fool Investment Guide From returning the HTTP header before a script can modify the header. Certain

Investment Advice Properties and methods, such as Response.Expires and

Investment Guide Response.Redirect, modify the HTTP header.

Investment Firm If the Buffer property in a script is set to TRUE without

Investment Calculator Also calling the Flush method to immediately send buffered

Investment Brokerage Content to the browser, the server will maintain Keep-Alive requests made by the

Putnam Investment Client. The benefit of writing scripts in this manner is that server performance

Investment Advisor Is improved because the server does not have to create a new connection for each

Investment Club Client request (assuming that the server, client, and any proxy servers all

Online Investment Support Keep-Alive requests). However, a potential drawback to this approach is

Return On Investment That buffering prevents the server's response from being sent to the user until

Real Estate Investment Trust The server has finished processing the entire script. For long or complicated

Investment Banker Scripts, users could experience long wait times before seeing the page.

Investment Fraud Lawyer Buffering is turned on by default for ASP applications. You can use the

Real Estate Finance And To turn off buffering for an entire ASP application. For more information, see

Essential Of Investment .

Investment Fraud Your application may be sending pages to a client through a proxy

Investment Property Loan Server. A proxy server acts on behalf of client browsers to request pages

Fremont Investment And Loan From Web sites. The proxy server caches HTML pages so that repeated requests for

Investment Casting The same page can be returned quickly and efficiently to browsers. Having the

Investment Funds Proxy server process requests and cache pages reduces the load on the network

Investment Broker And on the Web server.

Fundamentals Of Investment Although caching works well for many HTML pages, it often does not work well

Dictionary Of Finance And For ASP pages that contain frequently updated information. For example, pages

Land Investment That report stock market prices or display inventory for a high-volume business

Retirement Investment Must provide timely information. Information that is even one hour old might not

Real Estate Investment Club Be accurate enough. If your application returns personalized information, such

Fidelity Investment 401k As a custom home page, you want to ensure that no user sees another user's

Investment Property In Turkey Personal information.

Investment In Stock By default, ASP instructs proxy servers not to cache the ASP page itself

Vanguard Investment (although images, image maps, applets, and other items referenced from the page

The Only Investment Guide You Are cached). You can allow caching for certain pages by using the

Mortgage Lender Investment Response.CacheControl property to set the Cache-Control HTTP

Franklin Templeton Investment Header field. The default value of Response.CacheControl is the

The Motley Fool Investment String "Private", which prevents proxy servers from caching the page. To allow

Orange County Investment Caching, set the Cache-Control header field to Public: <% Response.CacheControl = "Public" %>

Investment Home Mortgage Because HTTP headers must be sent to the browser or proxy before any page

Investment Property Mortgage Content is sent, either put the Response.CacheControl property

Orlando Investment Property Before any HTML tags or, if you have disabled buffering, use

Investment Home Response.Buffer to buffer the page.

High Yield Investment The Cache-Control header field is part of the HTTP 1.1 specification.

Investment An Introduction ASP pages are not cached on proxy servers that support only HTTP 1.0

Investment Property Los Because no Expires header field is sent.

Offshore Investment Each browser version has its own rules for determining whether to cache

Vault Career Guide Investment Pages. To prevent a browser from caching ASP pages, use

Investment Solution Response.Expires to set the Expires header: <% Response.Expires = 0 %>

Bank Of America Investment A value of 0 forces cached pages to expire immediately. Because HTTP headers

Investment Opportunity Must be sent to the browser before any page content is sent, either put the

Banc Of America Investment Response.Expires property before any HTML tags or buffer the

Banking Investment Page.

Investment Solution Strategic A channel is a Web technology available with Microsoft Internet

Investment Banking Services Explorer 4.0, or later, that you can use to automatically deliver new or

Bank Investment Updated Web content to users. The channel schedules the user's computer to

Alternative Investment Periodically connect to a server and retrieve updated information. (This

Online Investment Services Retrieval process is commonly referred to as client pull because

Accompany Essential Investment Information is "pulled" in, or gathered, from the server.) When new information

Investment Company Is made available at a particular Web site, the content is downloaded to the

Investment Management Solution Browser cache for offline viewing. Clever use of channels for distributing Web

Investment Management Services Based information (especially on intranets) can help to centralize information

Guide Investment Stock As well as reduce server traffic. For more information about channels, visit the

Investment Manual Solution Microsoft Internet Explorer Web site, at .

Investment Stock Using ASP, you can write scripts that dynamically create channels by

Essential Investment Solution Generating a channel definition file. An XML-based channel definition

Citicorp Investment Services File (.cdf) describes the organization and update schedule of a channel's

Fool Guide Investment Motley Contents. Commands in the .cdf file use syntax similar to HTML tags, so they are

Fidelity Investment Services Easy to learn and to generate from a script. When you write a server-side script

Investment Management To create a channel definition file, give the file a .cdx extension. When ASP

Francisco Investment San Reads a file with a .cdx extension, it automatically sends the application/x-cdf

Mellon Investment Services Content type, which tells the browser to interpret the bytes as channel

Finance Investment Definitions. If you do not use the .cdx extension, your script must manually set

Investment Manual Science The content type to application/x-cdf by using

Investment Advisory Services Response.ContentType.

Advice Investment Here is an example of how you might use channels. The following HTML form

Guide Investment Asks the user to select channels. When submitted, the form calls a script in a

Chase Investment Services .cdx file to create the channel definitions. <P> Choose the channels you want. </P>

Firm Investment <FORM METHOD="POST" ACTION="Chan.cdx">

Financial Investment Services <P><INPUT TYPE=CHECKBOX NAME=Movies> Movies

Investment Securities <P><INPUT TYPE=CHECKBOX NAME=Sports> Sports

Property Investment Services <P><INPUT TYPE="SUBMIT" VALUE="SUBMIT">

Calculator Investment </FORM>

Northwestern Mutual Investment The script in Chan.cdx builds the channel definitions based on the form

Brokerage Investment Values submitted with the request. <% If Request.Form("Movies") <> "" Then %>

Domain Name Investment <CHANNEL>

Investment Putnam Channel definition statements for the movie pages

Bank Investment Ohio Savings </CHANNEL>

Advisor Investment <% End If %>

America Bank Bank Investment <% If Request.Form("Sports") <> "" Then %>

Club Investment <CHANNEL>

Global Services Investment Channel definition statements for the sports pages

Investment Online </CHANNEL>

Cigna Retirement Investment <% End If %>

Investment Return Distributed Authoring and Versioning (WebDAV), a powerful extension of the

Investment Consulting Services HTTP 1.1 protocol, exposes Web file storage mediauch as a local file

Estate Investment Real Trust Systemver an HTTP connection. WebDAV holds great promise for making the Web

Chase Corp Investment Services Into seamless, collaborative authoring environment. With the IIS 5.0

Banker Investment Implementation of WebDAV, you can enable remote authors to create, delete, move,

Fraud Investment Lawyer Search, or apply attributes to files and directories on your Web server. For

Estate Finance Investment Real More information, see .

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