# Get Answers **URL:** https://forums.knack.com/c/help-center/answers/5.md?page=1 [Latest](https://forums.knack.com/latest.md) · [Categories](https://forums.knack.com/categories.md) · [Tags](https://forums.knack.com/tags.md) **Page:** 2 --- ## [Using access groups as filters?](https://forums.knack.com/t/using-access-groups-as-filters/20440)
**Author:** [@LeighBerre96926](https://forums.knack.com/u/LeighBerre96926)\ **Replies:** 3\ **Last updated:** [June 22, 2026, 2:05pm UTC](https://forums.knack.com/t/using-access-groups-as-filters/20440 "2026-06-22T14:05:01Z")
Knack does a good job of allowing filtering by logged in user, or by user role. But what’s missing is “groups” … a method to provide access to users based on membership of user defined groups (that doesnt require Builde… --- ## [How to restrict a multiple choice field based on parent connection?](https://forums.knack.com/t/how-to-restrict-a-multiple-choice-field-based-on-parent-connection/20415)
**Author:** [@JDWorleyKY](https://forums.knack.com/u/JDWorleyKY)\ **Replies:** 6\ **Last updated:** [June 16, 2026, 4:06pm UTC](https://forums.knack.com/t/how-to-restrict-a-multiple-choice-field-based-on-parent-connection/20415 "2026-06-16T16:06:47Z")
I’ve struggled with this for a while, so I thought I’d pick the Masters brains here to see if you all know a way. In my inventory system, I create Purchase Orders regularly for different Vendors. I first select the Ven… --- ## [Expandable resource categories on a form and conditional text field when Other is selected](https://forums.knack.com/t/expandable-resource-categories-on-a-form-and-conditional-text-field-when-other-is-selected/20439)
**Author:** [@Serve](https://forums.knack.com/u/Serve)\ **Replies:** 1\ **Last updated:** [June 16, 2026, 4:05pm UTC](https://forums.knack.com/t/expandable-resource-categories-on-a-form-and-conditional-text-field-when-other-is-selected/20439 "2026-06-16T16:05:09Z")
We have a form with multiple resource categories, each pulling from their own connection table (e.g. Housing Resources, Financial and Employment Resources, etc.). Right now all the options across every category are visib… --- ## [Question about embedding payment forms](https://forums.knack.com/t/question-about-embedding-payment-forms/20425)
**Author:** [@jamica](https://forums.knack.com/u/jamica)\ **Replies:** 2\ **Last updated:** [June 13, 2026, 6:36am UTC](https://forums.knack.com/t/question-about-embedding-payment-forms/20425 "2026-06-13T06:36:03Z")
Hi, I am using a self-hosted WordPress website “Hafla Rental”. I need to embed an external payment checkout form into one of my pages using a standard embed code. Before I set this up, I have two quick questions: Wil… --- ## [Upload Multiple Files at once](https://forums.knack.com/t/upload-multiple-files-at-once/15805)
**Author:** [@Guilherme](https://forums.knack.com/u/Guilherme)\ **Replies:** 8\ **Last updated:** [June 11, 2026, 3:27pm UTC](https://forums.knack.com/t/upload-multiple-files-at-once/15805 "2026-06-11T15:27:07Z")
Hi Guys, Does anyone have a solution for upload multiple files connected to an object at once? Thanks! --- ## [Multifield Validations End Date after Start Date](https://forums.knack.com/t/multifield-validations-end-date-after-start-date/20424)
**Author:** [@Jarrett](https://forums.knack.com/u/Jarrett)\ **Replies:** 1\ **Last updated:** [June 8, 2026, 5:25am UTC](https://forums.knack.com/t/multifield-validations-end-date-after-start-date/20424 "2026-06-08T05:25:48Z")
Anyone find a way to get validations which are dependent on other fields to work? Trying to get a validation to ensure that an end date is after a start date. Ive tried playing around with equations and conditional rules… --- ## [Guidance needed to set up connected field filter](https://forums.knack.com/t/guidance-needed-to-set-up-connected-field-filter/20422)
**Author:** [@LeighBerre96926](https://forums.knack.com/u/LeighBerre96926)\ **Replies:** 2\ **Last updated:** [June 6, 2026, 12:52am UTC](https://forums.knack.com/t/guidance-needed-to-set-up-connected-field-filter/20422 "2026-06-06T00:52:36Z")
Ok, I should be able to work this out, but I cant, so any assistance greatly appreciated. I have a table ITEMs. It has two connected fields TYPE and STATUS. What I want to be able to do is filter the selection field f… --- ## [Has something odd happened with classic UI](https://forums.knack.com/t/has-something-odd-happened-with-classic-ui/20420)
**Author:** [@LeighBerre96926](https://forums.knack.com/u/LeighBerre96926)\ **Replies:** 1\ **Last updated:** [June 5, 2026, 4:21am UTC](https://forums.knack.com/t/has-something-odd-happened-with-classic-ui/20420 "2026-06-05T04:21:30Z")
I use css to lock the info bar below the header so it doesn’t scroll. As of last night that css is no longer working on any of my apps and info bar is scrolling. Did Knack change something in classic ui? --- ## [Chart Colours in next gen](https://forums.knack.com/t/chart-colours-in-next-gen/19966)
**Author:** [@Chris8](https://forums.knack.com/u/Chris8)\ **Replies:** 8\ **Last updated:** [May 28, 2026, 2:35pm UTC](https://forums.knack.com/t/chart-colours-in-next-gen/19966 "2026-05-28T14:35:39Z")
I have just started playing around with the next gen builder, and cant seem to work out how to change the colours of the charts. They all seem to be in shades of purple, whereas in classic they where quite distinct colou… --- ## [Mother and child table in pages](https://forums.knack.com/t/mother-and-child-table-in-pages/20394)
**Author:** [@fbafaqeeh](https://forums.knack.com/u/fbafaqeeh)\ **Replies:** 2\ **Last updated:** [May 14, 2026, 9:18pm UTC](https://forums.knack.com/t/mother-and-child-table-in-pages/20394 "2026-05-14T21:18:44Z")
Hi everyone, I have two tables in Knack: Invoices (parent table) Invoice Details (child table) The relationship is configured correctly as many Invoice Details to one Invoice. I created a page that contains: … --- ## [Text Formulas are not updating](https://forums.knack.com/t/text-formulas-are-not-updating/14091)
**Author:** [@Joshua](https://forums.knack.com/u/Joshua)\ **Replies:** 6\ **Last updated:** [May 8, 2026, 11:29pm UTC](https://forums.knack.com/t/text-formulas-are-not-updating/14091 "2026-05-08T23:29:41Z")
I have a bug. I have submitted a ticket with Knack Support, but it’s been a week, and I have not received a reply. I created a video to show my issue: Loom | Free Screen & Video Recording Software | Loom My text formul… --- ## [Email Editor](https://forums.knack.com/t/email-editor/20351)
**Author:** [@Leah](https://forums.knack.com/u/Leah)\ **Replies:** 4\ **Last updated:** [May 4, 2026, 1:10pm UTC](https://forums.knack.com/t/email-editor/20351 "2026-05-04T13:10:45Z")
Hi everyone — I’m working on improving the design of emails sent through Knack and running into some formatting limitations with the WYSIWYG editor. Right now I’m trying to create a simple, clean transactional email (re… --- ## [Escaping special characters in text formula field](https://forums.knack.com/t/escaping-special-characters-in-text-formula-field/17668)
**Author:** [@Luke1](https://forums.knack.com/u/Luke1)\ **Replies:** 3\ **Last updated:** [April 30, 2026, 1:07pm UTC](https://forums.knack.com/t/escaping-special-characters-in-text-formula-field/17668 "2026-04-30T13:07:27Z")
Hi, Does anyone know of a way to escape special characters in a text formula field? I am trying to add a customised web link into a text formula field in the format: https://www.formtool.com/form1?entry={“field1”:“data… --- ## [Change or remove print headers and footers](https://forums.knack.com/t/change-or-remove-print-headers-and-footers/20371)
**Author:** [@LeighBerre96926](https://forums.knack.com/u/LeighBerre96926)\ **Replies:** 0\ **Last updated:** [April 28, 2026, 4:53am UTC](https://forums.knack.com/t/change-or-remove-print-headers-and-footers/20371 "2026-04-28T04:53:19Z")
Has anyone ever worked out how to change or remove SOME of the printer header and footer elements? (Classic, if that matters, PDF output). Its either all or nothing as far as I can see. --- ## [Next-Gen Loading Spinner](https://forums.knack.com/t/next-gen-loading-spinner/20360)
**Author:** [@Dale2](https://forums.knack.com/u/Dale2)\ **Replies:** 3\ **Last updated:** [April 27, 2026, 8:15am UTC](https://forums.knack.com/t/next-gen-loading-spinner/20360 "2026-04-27T08:15:36Z")
I have been having an issue with updating some JS for use in the Next-Gen version of Knack, the main hurdle is using the Knack.showSpinner() function, this works fine in Classic but i am unable to find the corresponding … --- ## [Selecting the most recent connected record](https://forums.knack.com/t/selecting-the-most-recent-connected-record/20358)
**Author:** [@LeighBerre96926](https://forums.knack.com/u/LeighBerre96926)\ **Replies:** 2\ **Last updated:** [April 23, 2026, 11:58pm UTC](https://forums.knack.com/t/selecting-the-most-recent-connected-record/20358 "2026-04-23T23:58:10Z")
In my app I have a table of Action Items which is connected to a table of Updates, each action item can have multiple updates. Updates have a. created timestamp. What is the best way to only show the most recent updat… --- ## [Next Gen App - Modal Child page not floating](https://forums.knack.com/t/next-gen-app-modal-child-page-not-floating/20350)
**Author:** [@Nathaniel](https://forums.knack.com/u/Nathaniel)\ **Replies:** 3\ **Last updated:** [April 20, 2026, 10:47pm UTC](https://forums.knack.com/t/next-gen-app-modal-child-page-not-floating/20350 "2026-04-20T22:47:48Z")
I have a form I use to edit records divided into a parent and two additional child pages. First page shows up floating, when I click next to edit the next set of fields on a child page editing teh same record, the form d… --- ## [Automated reading of power meters](https://forums.knack.com/t/automated-reading-of-power-meters/20346)
**Author:** [@BajaRic](https://forums.knack.com/u/BajaRic)\ **Replies:** 3\ **Last updated:** [April 17, 2026, 1:27am UTC](https://forums.knack.com/t/automated-reading-of-power-meters/20346 "2026-04-17T01:27:25Z")
This is probably a long shot, but I’m attempting to replace my client’s MS Access based utility billing system (which I developed over the past 20 years) with a Knack app. The power company bills us by building from a si… --- ## [Defining Pivot Table Width in Knack Classic](https://forums.knack.com/t/defining-pivot-table-width-in-knack-classic/20340)
**Author:** [@Duncan](https://forums.knack.com/u/Duncan)\ **Replies:** 0\ **Last updated:** [April 11, 2026, 11:13pm UTC](https://forums.knack.com/t/defining-pivot-table-width-in-knack-classic/20340 "2026-04-11T23:13:11Z")
Hello, There doesn’t appear to be the facility to define the width of a Pivot Table Report in Knack Classic, and I’m having an issue where I have a Pie Chart on the Left and a Pivot Table on the right (2 columns), and a… --- ## [Input filter not working](https://forums.knack.com/t/input-filter-not-working/20310)
**Author:** [@Kevin7](https://forums.knack.com/u/Kevin7)\ **Replies:** 5\ **Last updated:** [March 31, 2026, 8:08pm UTC](https://forums.knack.com/t/input-filter-not-working/20310 "2026-03-31T20:08:01Z")
I am having trouble getting a filter on an input field to work. There is an input field called ‘Team’ on a form that allows the user to choose a record from the Teams table. The Teams table has a yes/no field called “Ac… --- ## [Removing Excess " -" Using Regex](https://forums.knack.com/t/removing-excess-using-regex/14558)
**Author:** [@HarryR](https://forums.knack.com/u/HarryR)\ **Replies:** 4\ **Last updated:** [March 30, 2026, 8:24pm UTC](https://forums.knack.com/t/removing-excess-using-regex/14558 "2026-03-30T20:24:06Z")
Hi all, I’m trying to remove additional " -" from a word formula (which combines multiple fields with hypens in between). Since some of the fields can be blank, the word formula produces outputs of the following format … --- ## [Phone numbers](https://forums.knack.com/t/phone-numbers/20094)
**Author:** [@Chris8](https://forums.knack.com/u/Chris8)\ **Replies:** 4\ **Last updated:** [March 30, 2026, 3:46pm UTC](https://forums.knack.com/t/phone-numbers/20094 "2026-03-30T15:46:12Z")
Hi, I have some users that are trying to enter their phone number currently but are being prevented form doing so. I think its because their phone number is 13 characters long and the app is only letting them enter 12. … --- ## [App wide filtering](https://forums.knack.com/t/app-wide-filtering/20305)
**Author:** [@LeighBerre96926](https://forums.knack.com/u/LeighBerre96926)\ **Replies:** 1\ **Last updated:** [March 28, 2026, 7:25am UTC](https://forums.knack.com/t/app-wide-filtering/20305 "2026-03-28T07:25:06Z")
I am building a risk/project/audit management app, with many pages - each page would contain risks, issues, dependencies, assumptions, audit findings, reports and so on. The intention here is to capture everything t a… --- ## [Importing data for multi-select field where options contain commas](https://forums.knack.com/t/importing-data-for-multi-select-field-where-options-contain-commas/20301)
**Author:** [@Serve](https://forums.knack.com/u/Serve)\ **Replies:** 3\ **Last updated:** [March 27, 2026, 8:32pm UTC](https://forums.knack.com/t/importing-data-for-multi-select-field-where-options-contain-commas/20301 "2026-03-27T20:32:45Z")
Does anyone know if it is possible to import data to Multi-select fields when the Options in the menu individually contain commas? For example, my three multi-selct Options might be: Part before comma 1, part after comm… --- ## [Change URL of Header Logo - Javascript](https://forums.knack.com/t/change-url-of-header-logo-javascript/9894)
**Author:** [@JasonSandl90577](https://forums.knack.com/u/JasonSandl90577)\ **Replies:** 9\ **Last updated:** [March 23, 2026, 12:25pm UTC](https://forums.knack.com/t/change-url-of-header-logo-javascript/9894 "2026-03-23T12:25:11Z")
I want to change the link that is in the header area. I don't see a place to change that in the app settings, so it seems I will need to use javascript to get this done. Anyone have anything that will change the URL of… --- ## [Page width - Next gen app](https://forums.knack.com/t/page-width-next-gen-app/20153)
**Author:** [@vikingwind](https://forums.knack.com/u/vikingwind)\ **Replies:** 10\ **Last updated:** [March 20, 2026, 3:48pm UTC](https://forums.knack.com/t/page-width-next-gen-app/20153 "2026-03-20T15:48:55Z")
I have created a new account for a client and so I’m stuck with next-gen apps. I have two problems that I hope the community can help me with: I cannot get the app pages to use the full width of the screen - in the leg… --- ## [JavaScript date field validation](https://forums.knack.com/t/javascript-date-field-validation/12851)
**Author:** [@Arjun1](https://forums.knack.com/u/Arjun1)\ **Replies:** 12\ **Last updated:** [March 17, 2026, 2:51pm UTC](https://forums.knack.com/t/javascript-date-field-validation/12851 "2026-03-17T14:51:15Z")
Hi all, I’m trying to validate a date field based on another date field. (Ie date field 1 needs to be prior to date field 2). I found the below example code from Knack docs but it doesn’t really help with date fields - … --- ## [Data from different tables in bar chart](https://forums.knack.com/t/data-from-different-tables-in-bar-chart/20271)
**Author:** [@Jacob1](https://forums.knack.com/u/Jacob1)\ **Replies:** 1\ **Last updated:** [March 5, 2026, 10:06am UTC](https://forums.knack.com/t/data-from-different-tables-in-bar-chart/20271 "2026-03-05T10:06:43Z")
Hi - I work with a non-profit organization. We provide boxes of food to families in need. I have developed three different tables depending on how, and to whom food assistance goes to. Table with Food Boxes Delivered… --- ## [How to allow users to duplicate a record?](https://forums.knack.com/t/how-to-allow-users-to-duplicate-a-record/20240)
**Author:** [@JDWorleyKY](https://forums.knack.com/u/JDWorleyKY)\ **Replies:** 5\ **Last updated:** [February 25, 2026, 9:31pm UTC](https://forums.knack.com/t/how-to-allow-users-to-duplicate-a-record/20240 "2026-02-25T21:31:24Z")
I searched and couldn’t find a simple answer here or in KTL. I would like users to be able to make a copy of a single record at a time, and include pre-defined fields to be replicated into the new record. Is there a sim… --- ## [File details not viewable in (Next-gen) form view](https://forums.knack.com/t/file-details-not-viewable-in-next-gen-form-view/20259)
**Author:** [@Team](https://forums.knack.com/u/Team)\ **Replies:** 1\ **Last updated:** [February 25, 2026, 8:39pm UTC](https://forums.knack.com/t/file-details-not-viewable-in-next-gen-form-view/20259 "2026-02-25T20:39:10Z")
I have a field with data type “File” in my form view. I can replace a file. However I can’t view the file before replacing. Which was possible in Classic Mode. How to solve that I can view the file also in form view? … [Previous page](https://forums.knack.com/c/help-center/answers/5.md) [Next page](https://forums.knack.com/c/help-center/answers/5.md?page=2)