# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=957 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 958 --- ## [\[Dropdown Menu\] Select List Colours](https://forum.inductiveautomation.com/t/dropdown-menu-select-list-colours/51248)
**Author:** [@Davide3i](https://forum.inductiveautomation.com/u/Davide3i)\ **Replies:** 1\ **Last updated:** [September 23, 2021, 7:09am UTC](https://forum.inductiveautomation.com/t/dropdown-menu-select-list-colours/51248 "2021-09-23T07:09:04Z")
Hello. I’d like to know if there’s a way to set different colours for odd and even members of the selection list of a dropdown menu in a style class. much alike a table object. The blue item is the one the cursors is cu… --- ## [Force a component event in perspective](https://forum.inductiveautomation.com/t/force-a-component-event-in-perspective/51231)
**Author:** [@NII](https://forum.inductiveautomation.com/u/NII)\ **Replies:** 9\ **Last updated:** [September 23, 2021, 6:46am UTC](https://forum.inductiveautomation.com/t/force-a-component-event-in-perspective/51231 "2021-09-23T06:46:35Z")
Is there a way to force an event to fire such as the mouseClicked event of button? --- ## [How to open a pop up based on null result of a named query binding?](https://forum.inductiveautomation.com/t/how-to-open-a-pop-up-based-on-null-result-of-a-named-query-binding/51205)
**Author:** [@pkhoshroo](https://forum.inductiveautomation.com/u/pkhoshroo)\ **Replies:** 19\ **Last updated:** [September 23, 2021, 2:37am UTC](https://forum.inductiveautomation.com/t/how-to-open-a-pop-up-based-on-null-result-of-a-named-query-binding/51205 "2021-09-23T02:37:01Z")
I have a query tag and I want to write a script to open a pop up if its value is null or better to say when the database do not return any value. Alternatively, I can have a label and bind its value to an SQL query and … --- ## [Script filtering on Power Table](https://forum.inductiveautomation.com/t/script-filtering-on-power-table/23673)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 5\ **Last updated:** [September 23, 2021, 12:15am UTC](https://forum.inductiveautomation.com/t/script-filtering-on-power-table/23673 "2021-09-23T00:15:26Z")
Am I able to script the filtering functionality on a power table? I have a datasource (Sepasoft) that can’t be manipulated, and I would like to remove rows on condition. I can do this manually in runtime, but I’d like to… --- ## [SerializationException on interactionController](https://forum.inductiveautomation.com/t/serializationexception-on-interactioncontroller/51245)
**Author:** [@David](https://forum.inductiveautomation.com/u/David)\ **Replies:** 4\ **Last updated:** [September 22, 2021, 11:54pm UTC](https://forum.inductiveautomation.com/t/serializationexception-on-interactioncontroller/51245 "2021-09-22T23:54:41Z")
I get the following error when trying to save a window. I’ve scrubbed all the datasets of data, etc. so the screen is components and scripts only. It is a recent error. I’m using 8.0 SerializationException: Error dur… --- ## [\[SOLVED\] Running an Ignition 7.9 JNLP designer launcher file without installing Java](https://forum.inductiveautomation.com/t/solved-running-an-ignition-7-9-jnlp-designer-launcher-file-without-installing-java/51240)
**Author:** [@bmeyers](https://forum.inductiveautomation.com/u/bmeyers)\ **Replies:** 8\ **Last updated:** [September 22, 2021, 9:11pm UTC](https://forum.inductiveautomation.com/t/solved-running-an-ignition-7-9-jnlp-designer-launcher-file-without-installing-java/51240 "2021-09-22T21:11:14Z")
Our IT group is blocking all of Java.com because of their predatory licensing practices. Some alternatives they gave are AdoptOpenJDK and Amazon Corretto. Is it possible to use either one to launch a designer from versi… --- ## [Show Numeric Keypad](https://forum.inductiveautomation.com/t/show-numeric-keypad/17484)
**Author:** [@cagibson](https://forum.inductiveautomation.com/u/cagibson)\ **Replies:** 2\ **Last updated:** [September 22, 2021, 8:10pm UTC](https://forum.inductiveautomation.com/t/show-numeric-keypad/17484 "2021-09-22T20:10:05Z")
I have a Numeric Text Field object on my HMI. I'm using the line of code: system.gui.showNumericKeypad(event.source.intValue) in order to pull up a numeric keypad. when a number is entered and I hit "Ok", that number is … --- ## [How Ignition writes to an array tag](https://forum.inductiveautomation.com/t/how-ignition-writes-to-an-array-tag/34484)
**Author:** [@NII](https://forum.inductiveautomation.com/u/NII)\ **Replies:** 7\ **Last updated:** [September 22, 2021, 7:11pm UTC](https://forum.inductiveautomation.com/t/how-ignition-writes-to-an-array-tag/34484 "2021-09-22T19:11:58Z")
If I have an opc array tag of 10 elements and I change one of the element, does Ignition write just this one element or does it write all 10 elements to the opc? In value-changed script of an array, when only one of the… --- ## [What is the \[client\] portion of a tag name?](https://forum.inductiveautomation.com/t/what-is-the-client-portion-of-a-tag-name/51237)
**Author:** [@wpmccormick](https://forum.inductiveautomation.com/u/wpmccormick)\ **Replies:** 2\ **Last updated:** [September 22, 2021, 7:05pm UTC](https://forum.inductiveautomation.com/t/what-is-the-client-portion-of-a-tag-name/51237 "2021-09-22T19:05:31Z")
I have some script in a project that I inherited that looks like this: ipAddress = system.tag.readBlocking(\["\[System\]Client/Network/Hostname"\])\[0\].value if ipAddress == "CP-454E90": system.tag.writeBlocking(\["\[client\]P… --- ## [Where does the Vision View thumbnail come from?](https://forum.inductiveautomation.com/t/where-does-the-vision-view-thumbnail-come-from/51230)
**Author:** [@wpmccormick](https://forum.inductiveautomation.com/u/wpmccormick)\ **Replies:** 2\ **Last updated:** [September 22, 2021, 6:15pm UTC](https://forum.inductiveautomation.com/t/where-does-the-vision-view-thumbnail-come-from/51230 "2021-09-22T18:15:47Z")
I have a couple of views in this project I inherited that, when I hover the mouse pointer over the view in the Project Browser, I see something completely different from what I see when I edit the view. These views are … --- ## [Label/Text field created on mouseclick](https://forum.inductiveautomation.com/t/label-text-field-created-on-mouseclick/50399)
**Author:** [@sathianandan.dharmas](https://forum.inductiveautomation.com/u/sathianandan.dharmas)\ **Replies:** 10\ **Last updated:** [September 22, 2021, 4:38pm UTC](https://forum.inductiveautomation.com/t/label-text-field-created-on-mouseclick/50399 "2021-09-22T16:38:56Z")
Hi All I’m trying to make my perspective view more interactive, I want to give the users an option of creating a Label or Text field based on a mouse-click action. So I’ll have a static diagram and I want the users to j… --- ## [Deploying Master from Backup gwbk](https://forum.inductiveautomation.com/t/deploying-master-from-backup-gwbk/51222)
**Author:** [@daniel.thomson](https://forum.inductiveautomation.com/u/daniel.thomson)\ **Replies:** 3\ **Last updated:** [September 22, 2021, 4:26pm UTC](https://forum.inductiveautomation.com/t/deploying-master-from-backup-gwbk/51222 "2021-09-22T16:26:34Z")
The documentation is unclear - so I am asking here. Can I redeploy my master node from a gateway backup made from the Backup node? I am hoping the answer is yes. They should be identical gateways. --- ## [View Canvas draggable?](https://forum.inductiveautomation.com/t/view-canvas-draggable/51229)
**Author:** [@sathianandan.dharmas](https://forum.inductiveautomation.com/u/sathianandan.dharmas)\ **Replies:** 0\ **Last updated:** [September 22, 2021, 3:42pm UTC](https://forum.inductiveautomation.com/t/view-canvas-draggable/51229 "2021-09-22T15:42:05Z")
Can the instances in a View Canvas be made draggable? I create an instance through scripting based on a mouse-click but I want to give the user the ability to drag and reposition inside the view to their preference? Che… --- ## [Tag Provider default read/write access settings](https://forum.inductiveautomation.com/t/tag-provider-default-read-write-access-settings/44324)
**Author:** [@dpitzer](https://forum.inductiveautomation.com/u/dpitzer)\ **Replies:** 2\ **Last updated:** [September 22, 2021, 3:33pm UTC](https://forum.inductiveautomation.com/t/tag-provider-default-read-write-access-settings/44324 "2021-09-22T15:33:33Z")
I am looking for the best way to set a role-based or security level-based default tag access for all tags in a given tag provider. Just like from the Config section of the Gateway, under Realtime Tag Providers, you can … --- ## [Output console missing from view](https://forum.inductiveautomation.com/t/output-console-missing-from-view/16482)
**Author:** [@bill.liu](https://forum.inductiveautomation.com/u/bill.liu)\ **Replies:** 4\ **Last updated:** [September 22, 2021, 2:15pm UTC](https://forum.inductiveautomation.com/t/output-console-missing-from-view/16482 "2021-09-22T14:15:25Z")
Ignition designer 7.9.5 I was working in a multi-monitor environment and moved the output console to another monitor in floating mode. Now I am back with a small screen and I cannot see the output console nor be able t… --- ## [\[BUG-1535\] Perspective cannot change text colour of Dropdown component text](https://forum.inductiveautomation.com/t/bug-1535-perspective-cannot-change-text-colour-of-dropdown-component-text/37790)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 9\ **Last updated:** [September 22, 2021, 11:41am UTC](https://forum.inductiveautomation.com/t/bug-1535-perspective-cannot-change-text-colour-of-dropdown-component-text/37790 "2021-09-22T11:41:52Z")
v8.0.15 Maybe I’m missing something, but I can’t find where to change the text colour of the Dropdown component. E.g. below (bright colours for demonstration only). The text should be yellow according to the style, but … --- ## [Random high CPU Usage web server thread](https://forum.inductiveautomation.com/t/random-high-cpu-usage-web-server-thread/46148)
**Author:** [@kgamble](https://forum.inductiveautomation.com/u/kgamble)\ **Replies:** 1\ **Last updated:** [September 21, 2021, 11:35pm UTC](https://forum.inductiveautomation.com/t/random-high-cpu-usage-web-server-thread/46148 "2021-09-21T23:35:28Z")
Somewhere along my project I seem to have introduced something that added a web server thread that holds ~40% of the cpu usage of my machine at all times. Even across restarts it will come back. Is anything in this thre… --- ## [Mysterious warning on Vision popup](https://forum.inductiveautomation.com/t/mysterious-warning-on-vision-popup/51179)
**Author:** [@Chris.Wyllie](https://forum.inductiveautomation.com/u/Chris.Wyllie)\ **Replies:** 2\ **Last updated:** [September 21, 2021, 11:21pm UTC](https://forum.inductiveautomation.com/t/mysterious-warning-on-vision-popup/51179 "2021-09-21T23:21:48Z")
Hi Guys, Platform: 7.9.3 (Yes, its old) Vision: 9.9.3 Got a weird problem where I click a popup and I get this warning: Based on the message and the setup of the popup, it appears to be an issue with the parameter… --- ## [Using runScript in Perspective](https://forum.inductiveautomation.com/t/using-runscript-in-perspective/51204)
**Author:** [@franklepkowski](https://forum.inductiveautomation.com/u/franklepkowski)\ **Replies:** 6\ **Last updated:** [September 21, 2021, 8:12pm UTC](https://forum.inductiveautomation.com/t/using-runscript-in-perspective/51204 "2021-09-21T20:12:31Z")
Hello All, I was looking for some feedback on any implications of using runScript with a set poll rate in a Perspective session. I know this was problematic in a Vision client as it required a round trip to the gateway … --- ## [Perspective binded table pass selected row/column data to subview](https://forum.inductiveautomation.com/t/perspective-binded-table-pass-selected-row-column-data-to-subview/51122)
**Author:** [@ralbee](https://forum.inductiveautomation.com/u/ralbee)\ **Replies:** 5\ **Last updated:** [September 21, 2021, 8:04pm UTC](https://forum.inductiveautomation.com/t/perspective-binded-table-pass-selected-row-column-data-to-subview/51122 "2021-09-21T20:04:37Z")
I am trying to pass data to a subview with a table binded to a query with parameters. So far I have been able to pass data but not the data of the selected row. I tried binding a parameter with this expression: toString… --- ## [Turn on a plc tag based on visibility of a component and the open/close state of a window](https://forum.inductiveautomation.com/t/turn-on-a-plc-tag-based-on-visibility-of-a-component-and-the-open-close-state-of-a-window/51116)
**Author:** [@pkhoshroo](https://forum.inductiveautomation.com/u/pkhoshroo)\ **Replies:** 34\ **Last updated:** [September 21, 2021, 7:51pm UTC](https://forum.inductiveautomation.com/t/turn-on-a-plc-tag-based-on-visibility-of-a-component-and-the-open-close-state-of-a-window/51116 "2021-09-21T19:51:37Z")
Hello everyone, For an application, I am trying to light up an led based on the visibility of a tag and a screen. So, I wrote this script on property change and when the tag is visible and the Top window is open I want… --- ## [WebDev return PDF with file name](https://forum.inductiveautomation.com/t/webdev-return-pdf-with-file-name/45055)
**Author:** [@bschroeder](https://forum.inductiveautomation.com/u/bschroeder)\ **Replies:** 5\ **Last updated:** [September 21, 2021, 6:49pm UTC](https://forum.inductiveautomation.com/t/webdev-return-pdf-with-file-name/45055 "2021-09-21T18:49:04Z")
I’m using the WebDev module in 8.1 to get a PDF from a database and send it to both a Perspective client, and possibly just a regular browser. When sending the data back from the WebDev module I’m doing the following: r… --- ## [Gateway memory usage in task manager vs \[System\]Gateway/Performance/Memory Usage](https://forum.inductiveautomation.com/t/gateway-memory-usage-in-task-manager-vs-system-gateway-performance-memory-usage/47522)
**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\ **Replies:** 9\ **Last updated:** [September 21, 2021, 6:45pm UTC](https://forum.inductiveautomation.com/t/gateway-memory-usage-in-task-manager-vs-system-gateway-performance-memory-usage/47522 "2021-09-21T18:45:09Z")
Hello, When I check Gateway memory usage in task manager and compare it to \[System\]Gateway/Performance/Memory Usage(gateway status page), always there is a difference between these two values. Why there is the differen… --- ## [Perspective - New Tooltips In Breakpoint Container](https://forum.inductiveautomation.com/t/perspective-new-tooltips-in-breakpoint-container/51173)
**Author:** [@Chris.Hawkey](https://forum.inductiveautomation.com/u/Chris.Hawkey)\ **Replies:** 2\ **Last updated:** [September 21, 2021, 6:29pm UTC](https://forum.inductiveautomation.com/t/perspective-new-tooltips-in-breakpoint-container/51173 "2021-09-21T18:29:30Z")
Hello, I have noticed that the new tooltip features in perspective are working only after minimizing or maximizing a browser sessions window. My view is a Breakpoint Container, with a Flex Container for small mode (mob… --- ## [Report Viewer - Tag History programatically](https://forum.inductiveautomation.com/t/report-viewer-tag-history-programatically/51201)
**Author:** [@jorge.galvez](https://forum.inductiveautomation.com/u/jorge.galvez)\ **Replies:** 1\ **Last updated:** [September 21, 2021, 5:37pm UTC](https://forum.inductiveautomation.com/t/report-viewer-tag-history-programatically/51201 "2021-09-21T17:37:22Z")
Hello! Is it possible for the user to change the aggregtion mode and calculations so the Tag History updates its results and shown them in the Report Viewer in Perspective? I’m trying to do something like the attached pi… --- ## [Perspective - Scripting - Get Computer name and IP of client](https://forum.inductiveautomation.com/t/perspective-scripting-get-computer-name-and-ip-of-client/49626)
**Author:** [@luc.martin](https://forum.inductiveautomation.com/u/luc.martin)\ **Replies:** 13\ **Last updated:** [September 21, 2021, 5:11pm UTC](https://forum.inductiveautomation.com/t/perspective-scripting-get-computer-name-and-ip-of-client/49626 "2021-09-21T17:11:29Z")
8.1.7 Is ther a way to get the computer name and the IP address of the client --- ## [Error with internal database auto-backup](https://forum.inductiveautomation.com/t/error-with-internal-database-auto-backup/51200)
**Author:** [@bpreston](https://forum.inductiveautomation.com/u/bpreston)\ **Replies:** 4\ **Last updated:** [September 21, 2021, 5:10pm UTC](https://forum.inductiveautomation.com/t/error-with-internal-database-auto-backup/51200 "2021-09-21T17:10:13Z")
Looking through logs recently I noticed I’ve had an error around the time the internal database tries to back up. It looks like its happened 4 times in the last 2 days. Has anyone seen this before? --- ## [Bind Text Property of Vision Label to tag dataset value](https://forum.inductiveautomation.com/t/bind-text-property-of-vision-label-to-tag-dataset-value/51197)
**Author:** [@batkinson](https://forum.inductiveautomation.com/u/batkinson)\ **Replies:** 3\ **Last updated:** [September 21, 2021, 5:01pm UTC](https://forum.inductiveautomation.com/t/bind-text-property-of-vision-label-to-tag-dataset-value/51197 "2021-09-21T17:01:36Z")
I’m sure I’m missing something stupid here, but how do I bind the text label on a vision object to a specific part of a dataset tag? When I try to use the tag binding with a variety of different syntaxes I can’t find a … --- ## [Formatting number with space placeholder in expression](https://forum.inductiveautomation.com/t/formatting-number-with-space-placeholder-in-expression/51196)
**Author:** [@yburdak](https://forum.inductiveautomation.com/u/yburdak)\ **Replies:** 3\ **Last updated:** [September 21, 2021, 4:47pm UTC](https://forum.inductiveautomation.com/t/formatting-number-with-space-placeholder-in-expression/51196 "2021-09-21T16:47:17Z")
I am attempting to format a combination of text and number to be displayed in a label but with white space placeholders instead of leading zeroes. Example: “Flow: " + numberFormat(tag(”\[default\]/Flow"), “##0.00”). From… --- ## [Expression Tag Alarms Fail to Notify via Pipeline? Other tags are fine](https://forum.inductiveautomation.com/t/expression-tag-alarms-fail-to-notify-via-pipeline-other-tags-are-fine/26917)
**Author:** [@AIO](https://forum.inductiveautomation.com/u/AIO)\ **Replies:** 2\ **Last updated:** [September 21, 2021, 4:41pm UTC](https://forum.inductiveautomation.com/t/expression-tag-alarms-fail-to-notify-via-pipeline-other-tags-are-fine/26917 "2021-09-21T16:41:56Z")
Hey folks, Ignition 7.9.10 I have several alarm tags that are failing to notify and each of them is an expression tag. They show up in the alarm manager component just fine, however, they fail to ever make it to the al… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=956) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=958)