WebOct 27, 2014 · But after implementing this the reports are displaying an error."System.NullReferenceException: Object reference not set to an instance of an … WebJun 24, 2008 · In Crystal formulas there are a dropdown at the acme concerning the screen that asks provided you want to "use default values for NULL" press "exceptions for NULL". Information is often easier to use default valuations (you don't then have to check for NULL). For example: === if isNull ( {name.prefix}) afterwards {name.fname} & ' ' & {name.sname}
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WebIf the value of {TASTE} is NULL, then the formula "crashes" because NULL can't be concatenated with a string. Therefore the formula-field appears empty on the report. You can fix this by checking for NULL . Change the formula like following: If IsNull ( {TASTE}) Then {FRUITS} Else {FRUITS}+""+" "+ {TASTE}+"" Share Improve this answer WebNov 20, 2009 · Crystal Reports XI parameter fields (created in the UI, not the result of a SP) do not have a 'Set to Null' option. As a result, each parameter will need to have some value. You may want to have a look at my Crystal Reports: Optional-Multi-Select Parameters posting on how you can add some optional values to your parameters. … raymond severing law
Formula to check provided string is cleared in Crystal Reports
WebApr 14, 2014 · I am totally new at crystal reports and I'm trying to select only the records that have one of the fields not null. I've tried {#field}<>'' and not(isnull({#field})) but it … WebAug 13, 2012 · I also found that Crystal does not allow the use of standard functions inside of a custom function, for instance the ISNULL Function: Function (NumberVar param, Numbervar setter) IF ISNULL (param) THEN setter ELSE param and Function (StringVar param, StringVar setter) IF param = NULL THEN setter ELSE param http://www.crystalreportsbook.com/forum/forum_posts.asp?TID=20665 raymond severson