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Dynamics 365 Community / Forums / Microsoft Dynamics NAV (Archived) / Filters in OnInit of a...
Microsoft Dynamics NAV (Archived)

Filters in OnInit of a list page

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Posted on by SamCha 18

I created a new list page because I need a special filter (days difference between two fields).

I'm not sure how to do that filter, are there any examples? I haven't found any on the internet...

Say I want all records where Due Date is 7 days or more before Start Date in my Assemble Header (900) list.

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  • Stefano Demiliani Profile Picture
    Stefano Demiliani 37,166 Most Valuable Professional on at

    Records of what table?

    The filter is something like: SETFILTER(DueDate,'>=%1',CALCDATE('+7D',AssembleHeader."Start Date");

  • SamCha Profile Picture
    SamCha 18 on at

    Hi Stefano, both fields are in the same table, Assembly Header (900)

    My list page contains a list of Assembly Headers, but I want to filter only those that are late.

    I am looking for a filter I could use in the OnInit to filter the list of records that are about to show in the list page.

  • Verified answer
    Stefano Demiliani Profile Picture
    Stefano Demiliani 37,166 Most Valuable Professional on at

    In OnOpenPage trigger you can set a filter like:

    SETFILTER(DueDate,'>=%1',CALCDATE('+7D',"Start Date"));

  • SamCha Profile Picture
    SamCha 18 on at

    It tells me DueDate is undefined

  • Stefano Demiliani Profile Picture
    Stefano Demiliani 37,166 Most Valuable Professional on at

    What is the name of your date field that you want to filter? Is it not called DueDate?

    The suggested filter filters the field called "DueDate" for values >= of Start Date + 7 days.

    Correct the name of the fields with your correct field name and it should work.

  • SamCha Profile Picture
    SamCha 18 on at

    Thank you Stefano, It's the basic NAV table, so it's "Due Date".

    Now my problem is that sometimes the start date is empty, so I can't do the difference calculation (says invalid date 0D).

    How do I exclude those as well?

  • Stefano Demiliani Profile Picture
    Stefano Demiliani 37,166 Most Valuable Professional on at

    First apply the filter for Start Date:

    SETFILTER("Start Date",'<>0D');

    Then:

    SETFILTER("Due Date",'>=%1',CALCDATE('+7D',"Start Date"));

  • SamCha Profile Picture
    SamCha 18 on at

    How do I "apply" the filter?

    I tried to have both lines at the same time in the OnInit but it still gives an error of comparing dates with 0D.

    OnInit()

SETFILTER("Start Date",'<>0D');
SETFILTER("Due Date",'>=%1',CALCDATE('+7D',"Start Date"));


  • Verified answer
    Stefano Demiliani Profile Picture
    Stefano Demiliani 37,166 Most Valuable Professional on at

    Maybe I've understood now your requirements, sorry :)

    Every record has its own Due Date and Start Date fields, and you want only the record where Due Date >= Start Date + 7 days right?

    If so, a simple filter is not enough because the calculation (if due or not) must be done for every record. You can use MARKS.

    Something like:

    SETFILTER("Start Date",'<>0D'); //Remove the empty start date records

    IF FINDSET THEN

    REPEAT

    BEGIN

     IF "Due Date" >= CALCDATE('+7D',"Start Date") THEN

       MARK(TRUE)

     ELSE

       MARK(FALSE);

    END

    UNTIL NEXT=0;

    //Now show only the marked records.

    MARKEDONLY(TRUE);

  • SamCha Profile Picture
    SamCha 18 on at

    When debugging, it looks like it works for the first record it finds, but the second iteration, the Start date is empty.... and the calcdate errors.

    In the variable list, it looks like the Start date filter is <> today... instead of <> empty date (0D?)

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