Crystal Reports Writing A Formula

Report Design
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Topic: Writing A Formula

Author	Message
figgy Newbie Joined: 19 Nov 2013 Online Status: Offline Posts: 23	Topic: Writing A Formula Posted: 18 Mar 2015 at 7:39am
	There is a section in my report for part #. There are 3 different tables that depending on how the part was entered would give me the part number. I need a formula that give me the first table if there is a part#, if not the 2nd table and if that also has nothing than the 3rd table. Appreciate your help!
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DBlank Moderator Joined: 19 Dec 2008 Online Status: Offline Posts: 9053	Posted: 18 Mar 2015 at 9:02am
	the formula will not make it look into different tables it will just choose what value to display form your data set in that row (or group if needed). you have to join (likely outer joins) you tables together properly and then use the resulting data set to determine your formula. possibly something like if isnull(table1.field) and isnull(table2.field) then table3.field else if isnull(table1.field) and then table2.field else table1.field
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lockwelle Moderator Joined: 21 Dec 2007 Online Status: Offline Posts: 4372	Posted: 01 Apr 2015 at 5:51am
	DBlank is correct, you will need to get all the versions of the part # on the same row. Then you can create your formula to display the version that you want. The 'trick' in report writing is how to get all your data into the same row. Otherwise, things get dicey.
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