Array Notation vs. Evaluate()

While developing a web site for a customer, I recently had the problem with evaluating a form field to retrieve that field's value. For example:

I had a form field as follows:

As you can see I'm using a GUID in the name. This helps me map the form back to another entity after processing.

In order for me to get the value of the field, I loop through the fieldnames and Evaluate() that field as follows:

However, when I submit the form and run the code, I received this CF error:

It looks like CF attempts to "subtract" the values between the "-" in the GUID. In other words, its attempting to subtract 4d404f55ed4c from 6332 which are the values at the end of my GUID.

After a few hours of attempting to resolve this issue I finally posted the issue on the Adobe Forums.

After just a half-hour a kind fellow by the name of Azadi (thanks Azadi, whoever you are) provided a fantastic solution: Array notation on the structure iteself instead of using evaluate! Duh.

I've used this solution before but not on a form structure. So, I changed the code that proceses the form as follows:

And it worked beautifully. Remember array notation instead of Evaluate() is a good option in this circumstance.