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Search Expression

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  • NoeticCC
    replied
    Re: Search Expression

    Originally posted by billkay View Post
    I'm trying to only display records where the "Region" is "blank".

    Region is lookup into another table where all the "regions" are listed.

    In my grid, when a region isn't identified, there is just a "-" (dash) to indicate no region selected (I have no idea where the dash came from, I would have expected just a blank choice).
    Maybe you can try Using "|" to separate Display from saved values in dropdowns etc?


    Anyhow, when I submit the form in the grid, with all the "-" (taking the place of the blanks), I notice that the records in the table actually get populated with dashes! (rather than remaining blank, like I would hope). So the search for "isblank" won't work, as the fields are no longer technically blank.

    This seems to work great!
    blankregion = if(isblank("Region").OR.Region="-","1","0")

    I can't thank you enough!
    Bill
    Glad it worked!

    What is really strange is that I was trying to figure this one out for ages and kept thinking I have to wait for v10... however as far as I can tell all I used was v9 or even v8 technology/scripting....

    Leave a comment:


  • billkay
    replied
    Re: Search Expression

    OMG... thanks!

    I was wondering what the significance of that was... now I had light-bulb moment! Thank you!

    I see how a calculated field now gets populated as a field to search in.

    I'm trying to only display records where the "Region" is "blank".

    Region is lookup into another table where all the "regions" are listed.
    In my grid, when a region isn't identified, there is just a "-" (dash) to indicate no region selected (I have no idea where the dash came from, I would have expected just a blank choice). Anyhow, when I submit the form in the grid, with all the "-" (taking the place of the blanks), I notice that the records in the table actually get populated with dashes! (rather than remaining blank, like I would hope). So the search for "isblank" won't work, as the fields are no longer technically blank.

    This seems to work great!
    blankregion = if(isblank("Region").OR.Region="-","1","0")

    I can't thank you enough!
    Bill

    Leave a comment:


  • NoeticCC
    replied
    Re: Search Expression

    Originally posted by billkay View Post
    Thank you... I will give it a try...

    Seems to me though that this is a workaround no? Shouldn't there be a way to search within the records themselves without having to edit the table structure by adding a calculated field? (Unless I'm misunderstanding you).

    Thanks,
    Bill
    In v10 you can modify the search query (DBF or SQL) to your hearts' desire... however for v9 not quite as much...

    I did not mean editing the table structure, just the view in the grid... calculations etc. from .dbf files are not honoured on the web side anyway at the moment.

    I attached a couple of shots of how you add such a field to a grid in DBF grids.

    Leave a comment:


  • billkay
    replied
    Re: Search Expression

    Thank you... I will give it a try...

    Seems to me though that this is a workaround no? Shouldn't there be a way to search within the records themselves without having to edit the table structure by adding a calculated field? (Unless I'm misunderstanding you).

    Thanks,
    Bill

    Leave a comment:


  • NoeticCC
    replied
    Re: Search Expression

    I have done this by using a calculated field in the grid (in the SQL or DBF view definition) which evaluates to either "0" or "1" depending on the value(s) of certain fields, then searched based on that. Then set the checkbox choices to:

    Text for when checked|1

    Leave a comment:


  • billkay
    started a topic Search Expression

    Search Expression

    Hello,

    I'm using an updatable Grid with a "Search" Part.

    I've got the search part working being able to "filter" down records using checkboxes to filter for items that are true (binary fields).

    I'd like the ability to search for FALSE items, or BLANK fields, i.e. only show fields that are empty, so that the user can isolate them.

    Currently I have a field called "Region", and I'd like a checkbox (or anything else you recommend) in the search part to display ONLY records where region is blank.

    I've created a field in the search part with "Region", and has a dropdown list to select the Region to filter. However I'd like to also be able to display any record where Region is BLANK. I've thought of adding a checkbox to select for this, however doesn't seem to work. Any suggestions of how to do this... Also exploring using a "Search Expression" with a new field.. but isblank("Region") doesn't seem to work either.

    Any tips?

    Thanks,
    Bill
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