Cfcatch :P Terrence Ryan Senior Systems Programmer Wharton Computing and Information Technology E-mail: [EMAIL PROTECTED]
-----Original Message----- From: Christopher Jordan [mailto:[EMAIL PROTECTED] Sent: Tuesday, December 19, 2006 3:52 PM To: CF-Talk Subject: Re: Disregard last email It's probably worth mentioning then, that *ALL* of the ColdFusion scopes are structures. Server, Application, Client, Variables, This (in CFCs), Form, URL, Session, Caller (in custom tags) Have I missed any? :o) Cheers, Chris Bruce Sorge wrote: > yes it is. What was messing me up though was not realizing that passed form > fields are actually structures. So, I was basically creating a structure of > a structure when all I had to do was parse through the existing one. Now > that I know that, I understand and will have a much easier time of it next > time. > > Bruce > > On 12/19/06, Christopher Jordan <[EMAIL PROTECTED]> wrote: > >> Bruce, >> >> I had trouble getting my head around structures too (about two years >> ago), and now they're like my best friend. :o) I can probably help you >> to get your head around them too if you like. >> You solved your problem using a two dimensional array. That's fine. That >> works, but in referencing it later it would probably be nice to have an >> array of structures. I'll try and work with your example to show you >> what I mean. (or at least this is what I *think* your example was trying >> to accomplish). :o' >> >> GIVEN: Form.FieldNames = "Germany,UK,Spain,Australia,Marz" >> Form.Germany = "German" >> Form.UK = "English" >> Form.Spain = "Spanish" >> Form.Australia = "English" >> Form.Marz = "Martian" >> >> Then you could do something like this: >> <CFSet WorldLanguages = ArrayNew(1)> >> >> <CFLoop index="i" from="1" to="#ListLen(Form.FieldNames)#"> >> <CFSet ThisCountry = ListGetAt(Form.FieldNames, i)> >> <CFSet WorldLanguages[i] = StructNew()> >> <CFSet WorldLanguages[i].Country = ThisCountry> >> <CFSet WorldLanguages[i].Language = Trim(Form[ThisCountry])> >> </CFLoop> >> >> What this code should result in is a single dimensioned array each >> element of which is a structure. This makes for easy looping and easy >> reference. It's *almost* the same as referencing a query object >> (queryName.columnName). One thing that *really* helped me to get my head >> around this stuff, was to dump these structures and arrays and what-not >> using CFDump. It's amazing the clarity that I gained from seeing these >> things graphically represented on screen! It was the "click" that I >> needed to get me over the hump of understanding. >> >> Notice also, that it's not really necessary to use StructInsert (there >> may be advantages to doing so, but if there are I don't know of them). >> You can simply follow the name of your struct (i.e. MyStruct) by a >> period and a key name. It didn't have to exist up until that point. By >> the act of assigning a value to the structure key (<CFSet >> MyStruct.KeyName = "Hello World"), you have just created that key as a >> member of that structure, and given it a value. >> >> Easy right? :o) >> >> If you still want help understanding structures, give a shout and I'd be >> happy to help you out however I can. Best of all, use CFDump to look at >> these things. It gives amazing clarity. :o) >> >> Cheers, >> Chris >> >> Bruce Sorge wrote: >> >>> OK, I figure it out so please disregard the last message. >>> >>> I did it like this: >>> >>> <!--- Create the initial array ---> >>> <cfset languageArray= ArrayNew(1)> >>> >>> <!--- Loop through the form fields and get the names of them---> >>> <cfloop index="i" list="#form.fieldnames#"> >>> <!--- If the field is not empty, get the info ---> >>> <cfif LEN(form[i])> >>> <cfset languageArray[1][1] = #i#> >>> <cfset languageArray[1][2] = #evaluate("form.#i#")#> >>> <!--- Query will go here soon ---> >>> </cfif> >>> </cfloop> >>> >>> >>> >>> >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Create robust enterprise, web RIAs. Upgrade & integrate Adobe Coldfusion MX7 with Flex 2 http://ad.doubleclick.net/clk;56760587;14748456;a?http://www.adobe.com/products/coldfusion/flex2/?sdid=LVNU Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:264508 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
