Tags: ColdFusion. If you haven’t used ColdFusion’s CFContent tag to stream data to the browser, either . Pratik Sanyal Jan 8, at AM. Eric Stevens of the B And E Blog did some memory usage testing involving ColdFusion 8 and the CFContent tag and the findings are very cool. cfcontent deleteFile = “yes|no” file = “filename” reset = “yes|no” type = “file type” ColdFusion 8: Changed the behavior of the tag if the type attribute is not.
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You use the cfcontent tag to change the MIME content type that returns to the browser colcfusion with the content generated from your ColdFusion page.
A MIME type is a label that identifies the contents of a file. Sends the contents of a file, or of a variable that contains binary data, as the page output. To cooldfusion the character encoding character set of generated output, including the page HTML, use code such as the following:.
I don’t believe CF worked well with Excel before cfspreadsheet tag As you might expect, it is also written in HTML. To request the browser to display the file directly, use a cfheader tag similar to the following:. The MIME content type of the page, optionally followed by a semicolon and the character encoding.
For example, to tell ColdFusion to return the page using Japanese EUC character encoding, use the type attribute, as follows:. In this case, all output is sent with the specified type.
For example, the cffcontent could open a spreadsheet program when it encounters a file identified by its MIME content type as a spreadsheet file. Though the attachment has come up nicely in the excel format, when I am trying to open it it is throwing the following error.
Otherwise, the file can potentially be overwritten by another thread running at the same time. Changed the behavior of the tag if the type attribute is not specified and the file cfcnotent is specified.
When using Coldfuslon in a distributed configuration, the file attribute must refer to a path on the system on which the web server runs. Now I would look at the cfspreadsheet tag. Here’s what we did: For these file types, the inline content disposition specification requests the browser to display the file directly if the user selects to open the file.
Adobe ColdFusion 8
As with the cffile and cfdirectory tagsyou can disable processing in the ColdFusion Administrator. When you use this attribute, any other output on the current CFML page is ignored; only the contents of the file is sent to the client. The text displays as unformatted text, in which HTML tags are treated as text: Name of an on-disk or in-memory file whose contents provide the page output. Clldfusion you specify a file, this attribute has no effect.
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The cfcontent tag downloads files from the server to the client. The content type determines how the browser or client interprets the page contents. The only reliable solution is to generate a real spreadsheet.
Also, if that is the actual code, the cfheader is shy a closing quote, and there is a typo in the header name. The data appears in an Excel spreadsheet, as in the following image: I know I am so close, but I am not sure where I am getting it all wrong?
For more information, see the Administrator online Help.
coldfusion – Streaming Excel data using tag leads to corrupted excel file – Stack Overflow
In this case, all output is sent with the specified type. For example, to tell ColdFusion to return the page using Japanese EUC character encoding, use the type attribute, as follows: Email Required, but never shown.
Replacing one error message with another is not really a coldrusion ;- Increased security features make newer versions of Excel far less tolerant of the old “trick the browser into thinking html is a spreadsheet” cfcohtent. If you specify a file or cfvontent attribute, this attribute has no effect; otherwise, it does the following:.
It’ll still give a question to the user that is not very nice looking: It’ll still give a question to the user Because Excel can include executable code, the browser prompts the user whether to save the file or open it in a browser.
Applies only if you specify a file with the file attribute. If the user selects to open the file, most browsers open the file in the related application, not the browser window.