One good reason to use cfloop instead of cfoutput is if you need to loop a query output within another query output cfoutput does not support nested query. Using CFOUTPUT to Output Query Data. Use the CFOUTPUT tag to define the query variable that you want to output to a page. When you use the QUERY. Grouping Output The CFOUTPUT tag has an attribute called GROUP that lets you to group output from your record sets before displaying it to the browser.

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James A Mohler 7, 12 32 This creates an outer and inner loop for looping over the result set and grouping the output appropriately.

The above sample produces the following output: Start Free Trial No credit card required. I have run into cfoutlut several times, so I generally prefer cfloop.

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For cfloop you have to specify the endrow index instead of the count. Possible values are htmlhtmlattributeurljavascript, cssxmlxmlattributexpathldapand dn. Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Grouping Output – Programming ColdFusion [Book]

In this case, we want to group the query results by Department. Thanks again, I have been trying to figure out my mistake for three hours now and was getting very frustrated. Based on the value, encodefor will be invoked for each expression inside the cfoutput tag body except the expression which is already wrapped using encodefor function.

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Ctoutput can however get away with it using cfloops. My problem is that when I setup my output I cfoutpuh I sure could use your help, Thanks in advance This will make up for most cases of inefficient CFML.

Using CFOUTPUT to Output Query Data

Eliminates adjacent duplicate rows when data is sorted. Sign up using Email and Password. If not, is there any reason to prefer one over the other? It really depends how the compiler compiles the CFML pages to bytecode, but I do agree that in all likelihood the compiler will at the very least remove unnecessary instructions to the JVM.

Get unlimited access to videos, live online training, learning ffoutput, books, tutorials, and more. Also you ro use cfoutput for a query nested within an existing cfoutput tag, you will need to end the containing cfoutput first.

Abbadon 15 I think this difference has been tackled, the best bet is to do a test for each to test in you specific use case. Is there any performance difference between using cfloop and cfoutput? It is important to note that using GROUP to remove duplicates from the result set does so after the result set is returned cfuotput the database.

It is entirely possible to group data several levels deep.

Programming ColdFusion by Rob Brooks-Bilson

By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Nice, I take it you mean grouped cfloops bennadel. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

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As of CF10, with the ability to group cfloops, that’s the only remaining functional difference. The difference in output is shown in Figure And the rest is pretty much personal preference as far as ccfoutput you “like” to work with your loop.

I’m not sure the conclusion is sound. Close this window and log in. Keep in mind you should always scope your variables, but inside a cfoutput cfoutpuy that would be especially important since the query fields “could” be referenced without referring to their scope. Register now while it’s still free!

Item 1 Item 2 Vfoutput 3 Im trying to get: Sign up or log in Sign up using Google. Executing the template results in the output shown in Figure You can specify this tag’s attributes in an attributeCollection attribute whose value is a structure.

In ColdFusion 10 you can now do grouped output. Not sure how that happened.