Edit multiple rows at one time?

Append a "record number" to the end of each field name, this
number will associate fields of the same record.  

Also create a hidden field to hold the total number of records
(this isn't required but is helpful).

Here's a simple example:

 
<cfoutput query="getUsers">
   <cfset variables.ct = getProducts.currentRow>
 <tr>
   <td>First Name:</td><td><input type="text"   name="firstName#variables.ct#" value="#form.firstName#">
   <input type="hidden" name="userID#variables.ct#" value="#userID#">
   </td>
 </tr>
 <tr>
   <td>Last Name:</td><td><input type="text" name="lastName#variables.ct#" value="#form.lastName#"></td>
 </tr>
 <tr>
   <td>Login Name:</td><td><input type="text"   name="username#variables.ct#" value="#form.username#"></td>
 </tr>
</cfoutput>
<cfoutput>
<input type="hidden" name="totalRecords" value="#variables.ct#">
</cfoutput>
 
 
 
 
Processing Page
---------------
When you process it, you loop through the number of records from 1 to X 
and convert them back to regular variables and update them (you don't really need to convert
them back to variables without numbers, they're just easier to work with).
 
 
<cfloop index="ii" from="1" to="#form.totalRecords#">
  <cfset variables.firstName = form['firstName' & kk]>
  <cfset variables.lastName  = form['lastName' & kk]>
  <cfset variables.username  = form['username' & kk]>
  <cfset variables.userID    = form['userID' & kk]>
 
  <cfif len(variables.userID)> <!--- update --->
	  <cfquery name="UpdateUser" datasource="DSN">
	    update user
		  set firstName = '#variables.firstName#'
		    , lastName  = '#variables.lastName#'
			, userName  = '#variables.username#'
		 where userID = #val(variables.UserID)#
	  </cfquery>
  <cfelse> <!--- no ID, so insert --->
	  <cfquery name="UpdateUser" datasource="DSN">
	    insert into user (firstname, lastname, username)
		values ('#variables.firstName#','#variables.lastName#','#variables.username#')
	  </cfquery>
  </cfif>  
</cfloop>

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I like your example.

However I have a couple of questions:
1.  How can I submit the first part of your example?
2.  Where in relationship to your part 1 example do I place the form tags, or does it matter?

I get this error when I run your example.
Should "& kk" be something else?

*****************************************
Error Occurred While Processing Request
Error Diagnostic Information

An error occurred while evaluating the expression:
 variables.id = form['id' & kk]
*****************************************

sorry, I used ii  in the  CFLOOP and  kk in the lines :)

In the CFLOOP switch to kk  :  index="kk"

I am not getting the update to write to the table.
It is as if it is by passing the update.  
I am not getting any errors, though.
I am working with just one record to try and get this working.

Here is my URL string, which is passing the variables needed.
I have attached the action/update code snippet for review, below.

http://myserver.com:8080/test_update_action.cfm?id1=2713&inPace1=YY&totalRecords=1&initedit_OK=Update

<cfset dsn = "mydsn">
<cfif isDefined("form.totalRecords")>
  <cftry>
    <!---- loop through every record, add or update depending on whether they already had an ID ----->
    <cfloop index="kk" from="1" to="#val(totalRecords)#">
        <cfset variables.somethingEntered = true> <!---- assume some data was entered for each record ---->
		<cfset form.id = form['id' & kk]>
    	<cfset form.inPace = form['inPace' & kk]>
    	  <cfif id eq 0> <!---- no primary key, so insert ---->
           <cfif variables.somethingEntered>
			no primary key, so insert
           </cfif>
        <cfelse> <!----- already exists, so update it ----->
           <cfif variables.somethingEntered> 
             <cfquery name="updatePhotos" datasource="#dsn#">
              update mytable
                set inPace = '#form.inPace#' 
                 where id = #form.id#
            </cfquery>
           <cfelse> 
			 nothing entered, so delete the record
           </cfif>
        </cfif>
    </cfloop>
 
  <cfcatch type="Any">
     <cfset variables.error = cfcatch.message>
  </cfcatch>
  </cftry>
</cfif>

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One tip, for now, add <CFRETHROW> to your CFCATCH to ensure you can see the full error and be sure any errors are not hidden...

  <cfcatch type="Any">
     <cfset variables.error = cfcatch.message>
       <cfrethrow>
  </cfcatch>


Just in case you have a variable scoped ID, I would add the form scope to this, along with a val() in case the value is empty instead of zero (i would think it would be empty if no ID)

<cfif id eq 0>

to

<cfif val(form.id) eq 0>


Otherwise, I may have to see the form part of the code..

Ok, I was able to get it working.

Thank you very much for your time and efforts!

Ok, I was able to get it working.

Thank you very much for your time and efforts!