Crystal Reports No Previous Value

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Topic: No Previous Value

Author	Message
Tompong Newbie Joined: 06 Feb 2013 Online Status: Offline Posts: 11	Topic: No Previous Value Posted: 20 Feb 2014 at 12:34pm
	I created a report that compares two group total(Ex. 2012 & 2013), when I use the command "previous" its giving me an error "No Previous Value" cause basically there is no data for 2012, is there a work around on this?
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DBlank Moderator Joined: 19 Dec 2008 Online Status: Offline Posts: 9053	Posted: 21 Feb 2014 at 5:11am
	previous is in reference to the prior row of data. You will need to explain your data set and what you are trying to accomplish to get any more help on a possible solution
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Tompong Newbie Joined: 06 Feb 2013 Online Status: Offline Posts: 11	Posted: 26 Feb 2014 at 4:54am
	I grouped my data into quarters then comparing it with previous years(same quarter) but the is there is no data for the previous years.
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DBlank Moderator Joined: 19 Dec 2008 Online Status: Offline Posts: 9053	Posted: 26 Feb 2014 at 9:49am
	Grouping does not matter with a crystal previous() function other than it impacts your sorting. What do you mean 'comparing it'? That is pretty vague...
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DMD45 Newbie Joined: 28 Jul 2014 Location: United States Online Status: Offline Posts: 5	Posted: 29 Jul 2014 at 8:50am
	You would need to first put in an IsNull condition. For example, If PreviousIsNull() then 9999 else .... Dianne
	Dianne
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