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Auto Increment Time in Repeating Table

Posted on 2013-06-07
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Last Modified: 2013-06-11
I have a repeating table in my form.  When someone adds a new row I would like the form to automatically increment the "time" column field by 1/2 hour.  I have spent many hours on this, can anyone help?

Thank you.
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Question by:cadlkid
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by:clayfox
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If you are using InfoPath 2010 or 2013, there is an addSeconds() function.  You can take the previous record or now() or whatever and add 1800 seconds to it.

Another method is to use substring functions to break out the hour and minutes and manually calculate but that is more complex to pull off.
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by:cadlkid
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Thank you for your quick response

I had just figured out how to add 1800 seconds to the "Time" field.  I then created a rule on the time field so that when a value changes it updates a variable to hold the new time that has been updated by 1/2 hour.  This works perfectly inside of Infopath but when I publish to my Sharepoint Form Library and open it inside of a browser, the time only gets update one time.  If I click the "close form" button and then immediatly cancel the dialog box, the repeating table then updates itself with all of correct times that have been updated by 1/2 hour.  Any ideas?
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Expert Comment

by:clayfox
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I would trigger the update in a different location probably.  Maybe a button or something else that is getting clicked each time if that is available.  Could even check and just make sure it is updated as a fail safe.

You can also specify in the browser properties how often it updates values. "postbacks"
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by:cadlkid
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Here is screen shot inside of Infopath Application
inside-infopath.JPG
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by:cadlkid
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Inside of browser screen shot
inside-browser.jpg
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by:clayfox
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I would probably have the rule and action on the insert, in the field default values.  I think that is the simplest.
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Author Comment

by:cadlkid
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Thanks Clay.  Unfortunately I don't understand exactly where you suggest me putting the rule.  Can you explain a little more in depth?  sorry.
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Accepted Solution

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clayfox earned 500 total points
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I assume you have a default on the external field.

If you select the repeating table and add a new rule.
Do not put any conditions and it will fire on each insert.
First action is to update the external field with the time from the current record plus 1800 seconds.

Then (rightclick) the repeating table and go to properties.
Select the edit default values.

In there you can select the external field with the time and make it the default for the field to use on a new record.

If I remember right, i think you the order is run rules then default the new record.

You will have to play with it and I do not have the setup to test myself at the moment.
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by:cadlkid
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Hi Clay, me again.  What do you mean be "default on the external field"?  are you talking about a data source from a sharepoint library with the starting time that I want?
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Expert Comment

by:clayfox
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You said you had another "variable" field which was updated by time.

That is where you store the next time I assume.
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Author Comment

by:cadlkid
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OK, I finally got it working.  Clay, your advice was spot on.  Here are the steps I did following Clay's advice for anyone else who is interested in increasing the time for a repeating table at certain intervals (in my case every 1/2 hour)

1.  Start simple, add a 1 column repeating table to your form,
• name the field "Time"
• set it's datatype to "Time"
2.  add (2) text boxes to your form (but delete both right away so they are hidden)
• Name one of them "Add1800Seconds" - datatype "Whole Number"  default value of 1800
• Name the other one "TimeHolder" - datatype of "Time" - dafult value is the starting time you want (in my case it was 09:00:00 AM)

3.  Click on the repeating table to highlight it.  Add a rule to it....
• "Rule runs when field changes"
• Action "Set a field's value"
• Field "TimeHolder"
• Value "addseconds(TimeHolder, Add1800Seconds)

4.  Right click the repeating table, goto properties, edit default values
• Check "Time", set defeault value to "TimeHolder"
• Uncheck the "Refresh value when formula is recalculated" box
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Author Closing Comment

by:cadlkid
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super fast response time!
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