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Round Up Calculated Field or Format Expression in Report Builder 3.0

Posted on 2014-02-06
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Last Modified: 2014-02-08
I'm attempting to use the DateDiff function to identify the number of minutes between two date time fields.  I need it round up to the next whole number.

My formula to count the number of minutes is as follows
=(DateDiff(DateInterval.Second,CDate(Fields!Time_First.Value),CDate(Fields!Time_Second.Value)))/60

The formula is working fine and resulting the correct number of minutes, but my problem is the rounding.  If the duration is 1.1 minutes, then I need it to round up to 2.  The basic rounding available in Report Builder 3.0 rounds in the traditional .01 t .49 down and .5 to .99 up.

Any suggestions would be greatly appreciated.  I'm looking for a calculated field or a format expression type of solution.
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Question by:jaisy99
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Expert Comment

by:Chris Luttrell
ID: 39840207
in T-SQL you could use CEILING(x) to return the next integer, CEILING(1.1) yields 2.
I am not sure if you can use that command in Report Builder or not and do not have a test environment to test it first, sorry.
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Expert Comment

by:Tony303
ID: 39840262
I wonder if you can apply the MRound type Excell function like this description below....
I guess you'd multiply 25 and divide by 25? (ie. 5 tmes the example given or .2)



•The Round function is useful to round numbers to the nearest integer. The following expression rounds a 1.3 to 1:
 
= Round(1.3)
 
You can also write an expression to round a value to a multiple that you specify, similar to the MRound function in Excel. Multiply the value by a factor that creates an integer, round the number, and then divide by the same factor. For example, to round 1.3 to the nearest multiple of .2 (1.4), use the following expression:
 

= Round(1.3*5)/5


Having said that, I'd prefer to do the calcs in SQL first, then have that field pumped through into SSRS.
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Author Comment

by:jaisy99
ID: 39840263
Thank you, tried ceiling, but looks like it won't take it and results in error.  Finally got it to work but it is three separate calculated fields.  It errors if I try to combine the last two calculated fields.  This will work for now.  But if anyone has an easier way, would like to use it.  
Thank you for your help.

Final solution that worked is:
Calculated Field 1 (see above)
Calculated Field 2 =INT (Fields!Calculated_Field_1.value)
Calculated Field 3 = Fields!Calculated_Field_2.value + .5
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Expert Comment

by:Tony303
ID: 39840344
Good on you,

I think though, doing the Ceiling in SQL is a better option.

T
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Accepted Solution

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ValentinoV earned 2000 total points
ID: 39841183
SSRS also has a Ceiling implementation.  Here's how that would go:

=Ceiling(DateDiff(DateInterval.Second
  , CDate(Fields!Time_First.Value)
  , CDate(Fields!Time_Second.Value)) / 60)

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Author Closing Comment

by:jaisy99
ID: 39843744
This was exactly what I was looking for.  Thanks to all.
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Expert Comment

by:ValentinoV
ID: 39844023
Glad to have been of assistance, enjoy the weekend!
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