>-----Original Message-----
>From: Joe Rinehart [mailto:[EMAIL PROTECTED]
>Sent: Tuesday, June 29, 2004 03:54 PM
>To: 'CF-Talk'
>Subject: Re: first time array
>
>Tim,
>
>Arrays and structure are both good places to store stuff. The
>question is what type of stuff you want to store.
>
>If you just need to store "something," an array can be a good way to
>go. If you need to store "something" and "stuff" (properties) about
>it, a structure may be a good bet.
>
>Example: If I wanted to store the ISBN numbers of a bunch of books,
>I'd use an array called "books" - books[1] would be the ISBN of the
>first book, books[2] the second, and so on.
>
>If I wanted to store a single book and "stuff" about it, I'd use a
>structure - book.ISBN, book.author, book.title, etc. Sure, you could
>do this with an array: book[1] being title, book[2] being author,
>etc., but then you have to remember that 1 = title, 2=author. Think
>of a structure as an array where instead of using numbers for each
>element, you use a unique name.
>
>More powerful still is an array of structures. Going back to the
>books example, you could have the books array with book[1] being a
>structure, book[2] being a structure, etc., so that you have
>book[1].title, book[2].title, book[3].title, and so on.
>
>Lastly, you can have a structure of structures! Say you developed
>the app using the array of structures - then you suddenly need a
>feature where you need to access the title of a book in the array by
>knowing only its ISBN number. You could create a structure called
>"books", and inside put elements using their ISBN number as the name.
>So you'd have books["222-442-5534"].title,
>books["1232-442-5534"].title, and so on.
>
>Whew. If you'd like code samples for this, I can type those after lunch. :)
>
>
>
>
>----- Original Message -----
>From: Tim Laureska <[EMAIL PROTECTED]>
>Date: Tue, 29 Jun 2004 10:35:21 -0400
>Subject: RE: first time array
>To: CF-Talk <[EMAIL PROTECTED]>
>
>
>Tony... why are structures a better way to go than than arrays
>
>
>
>
>-----Original Message-----
>
>From: Tony Weeg [mailto:[EMAIL PROTECTED]
>
>Sent: Tuesday, June 29, 2004 10:08 AM
>
>To: CF-Talk
>
>Subject: RE: first time array
>
>
>
>tim, then there is this GREAT
>
>thing called a structure, play with this one...
>
>
>
><cfset me = structNew()>
>
><cfset me.myFirstName = "Tim">
>
><cfset me.myLastName = "Laureska">
>
><cfset me.myCity = "Da' Bridge">
>
>
>
><P>
>
>
>
><cfdump var="#me#">
>
>
>
><P>
>
>
>
>Hello world, my name is <cfoutput>#me.myFirstName# #me.myLastName# and i
>
>live in #me.myCity#</cfoutput>
>
>
>
>-----Original Message-----
>
>From: Pascal Peters [mailto:[EMAIL PROTECTED]
>
>Sent: Tuesday, June 29, 2004 10:06 AM
>
>To: CF-Talk
>
>Subject: RE: first time array
>
>
>
>A 2D array requires 2 indexes. Change the first line to
>
><cfset cassettes_Array=ArrayNew(1)>
>
>
>
>> -----Original Message-----
>
>> From: Tim Laureska [mailto:[EMAIL PROTECTED]
>
>> Sent: dinsdag 29 juni 2004 16:09
>
>> To: CF-Talk
>
>> Subject: RE: first time array
>
>>
>
>> Thomas... I changed what I had to this: (but now getting the
>
>> error below, which is a bit cryptic).
>
>>
>
>> <cfset cassettes_Array=ArrayNew(2)>
>
>> <cfset cassettes_Array[1]=form.issue>
>
>> <cfset cassettes_Array[2]=form.title>
>
>> <cfset cassettes_Array[3]=form.date1>
>
>> <cfset cassettes_Array[4]=form.publication>
>
>>
>
>> Error Diagnostic Information
>
>> An error occurred while evaluating the _expression_:
>
>> cassettes_Array[1]=form.issue
>
>> Error near line 11, column 22.
>
>> Cannot set element of indexed object
>
>>
>
>> The element at position 1 of the object cannot be set. May be
>
>> the object is read-only. The object has elements in positions
>
>> 1 through 0.
>
>> The error is in dimension 1 of object "cassettes_Array".
>
>>
>
>>
>
>> -----Original Message-----
>
>> From: Thomas Chiverton [mailto:[EMAIL PROTECTED]
>
>> Sent: Tuesday, June 29, 2004 9:42 AM
>
>> To: CF-Talk
>
>> Subject: Re: first time array
>
>>
>
>> On Tuesday 29 Jun 2004 14:42 pm, Tim Laureska wrote:
>
>> > <cfset cassettes_Array=ArrayNew(2)>
>
>> > <cfset cassettes_Array[ArrayLen(cassettes_Array)+1][1]=#form.issue#>
>
>> > <cfset cassettes_Array[ArrayLen(cassettes_Array)+1][2]=#form.title#>
>
>> > <cfset cassettes_Array[ArrayLen(cassettes_Array)+1][3]=#form.date1#>
>
>> > <cfset
>
>> > cassettes_Array[ArrayLen(cassettes_Array)+1][4]=#form.publication#>
>
>>
>
>> That should be
>
>> cfset cassettes_Array[1]=form.issue
>
>> cfset cassettes_Array[2]=form.title
>
>> cfset cassettes_Array[3]=form.date1
>
>> to match your cfloop.
>
>>
>
>> cfdump var="#cassettes_Array#" is useful for figuring out
>
>> what you've just built when constructing nested structures.
>
>> --
>
>> Tom Chiverton
>
>> Advanced ColdFusion Programmer
>
>>
>
>> Tel: +44(0)1749 834997
>
>> email: [EMAIL PROTECTED]
>
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