Is there a way to find the difference between two dates using workflows in MS CRM 4.0?

I need to find out the difference between to dates and post that info to a new field.

Example:  I create a case and the creation date and time is stamped.  The modified date and time is updated whenever the case is edited.  I would like to calculate the time difference between the creation and modified in days, hours, minutes.

I would ideally like to use this is a workflow, but if it can be done with a java scripts in the onchange event that is doable as well.
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mcrmanAsked:
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mcrmanConnect With a Mentor Author Commented:
Instead of directly executing a script against the SQL database I had a custom plugin created to calculate the day, hour, min difference between to date variables.

This way I can use workflows to perform and store these calculations
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rakeshAgarwalCommented:
Hi

 You have to write  custom assembly for this.  if you want to do it in work flow. My recomendation  you should do this  by javascript . on save event

You have to get this both the field on the form in crm

 I have not tested this javascript
var createdTime = crmForm.createdon.DataValue
var modifiedTime = crmForm.modifiedon.DataValue

crmForm.<<newfield>>.DataValue = modifiedTime -createdTime

Just try above code hope that helps
reakesh
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mcrmanAuthor Commented:
If the new Field is a DATE field, and I belive it would be then this would result in the time since 01/01/1900

For example Created on is 05/10/2009 11:00am and the modifed on is 05/15/2009 12:00pm Using you formula above would result in a date time of 01/06/1900 1:00am

What i really want is 5 Days, 1 Hour.

I think I may be able to do this better in an SQL script that runs nightly.  I could perfomr all the calculation needed to get this data.

Ill post what I find and if you have any other ideas let me know.
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rakeshAgarwalConnect With a Mentor Commented:
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