In what way are you attempting to use QlikView filters in NPrinting? Your requirement is not clearly defined unfortunately.
In order to perform filtering in NP 17+ platform you need to follow the steps in the following articles in order to meet your reporting requirements. Since you did not mention with version of NPrinting you are using I am providing NP 17+ information for your convenience.
In a nutshell, you need to create and use NPrinting filters based on QlikView (or Qlik Sense) dimension values or QlikView (or Qlik Sense) formula syntax and follow the filtering rules mentioned in the links above to correctly filter your NP reports as needed.
Hope this helps...
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NPrinitng is an advanced toll with many dependencies on QlikView or Qlik Sense side. I actually think 90% of development needs to be PROPERLY done in Qlik model and Qlik objects. To have easy and smooth NPrinitng development you need to be experienced QlikView/Qlik Sense developer as well as trained NPrinting developer.
Your issue might have many different grounds and you need to provide a lot more details if you want us to assist you.
Exact versions of QlikView and NPrinting
Fields you are using as a filter
Data type of field used in NPrinting filter
Objects you use in NPrinting
Object dimensions & expressions used in NPrinting (maybe set analysis overrides your filters?)
Make sure your QlikView application (QVW) is supported
no alternate states
no always 1 selected values
no triggers etc...
the way you created filter in NPrinting
the way you use & apply filter in your Task or Report or Template
As you can see there is a lot to consider and with your current problem description there is nothing we can start with.
back to you!
cheers Lech, When applicable please mark the correct/appropriate replies as "solution" (you can mark up to 3 "solutions". Please LIKE threads if the provided solution is helpful to the problem.