Save physical channel information in a configuration file and reuse it in another VI

Dear all,
I would like to do a pair of VIs. The first VI configures all psychical channels and store the task information (or physical channel name information) in a file and the second VIs can access this file and use the saved information.
Can anybody show me a good example of this type of application? I've prepare a simple code, but it does not work now. I am not sure if I am using the right functions.
Attachments:
Configuration.vi ‏18 KB

You can use Measurement I/O>>NI-DAQmx>>Advanced>>DAQmx Utilities>>DAQmx Flatten Channel String, and DAQmx Unflatten Channel String.

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Hi Dennis,
Your 'write to sreadshhet mod' suprime the dialog of replace file or not!, i want when i push save, it show the dialog input name of file and show the default sim000 but when i push this sim000 and this file already exist, then show the dialog to replace or not, if i replace Ok not problem, but when i push cancel replace it shows error eof!!!.
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Save physical channel information in a configuration file and reuse it in another VI

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