# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=967 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 968 --- ## [Perspective: old parameter values are used when missing from URL?](https://forum.inductiveautomation.com/t/perspective-old-parameter-values-are-used-when-missing-from-url/35302)
**Author:** [@321liftoff](https://forum.inductiveautomation.com/u/321liftoff)\ **Replies:** 2\ **Last updated:** [September 1, 2021, 1:22am UTC](https://forum.inductiveautomation.com/t/perspective-old-parameter-values-are-used-when-missing-from-url/35302 "2021-09-01T01:22:18Z")
I’ve successfully implemented passing parameters to the main view by creating a new page with the parameters specified in the URL per here. I have two parameters that I am passing. In a new tab, when the user only spe… --- ## [MySQL Datetime column compare in script issue](https://forum.inductiveautomation.com/t/mysql-datetime-column-compare-in-script-issue/50452)
**Author:** [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\ **Replies:** 10\ **Last updated:** [September 1, 2021, 12:45am UTC](https://forum.inductiveautomation.com/t/mysql-datetime-column-compare-in-script-issue/50452 "2021-09-01T00:45:22Z")
I have a table in MySQL with two datetime columns StartDate, EndDate. I have a script where I gather the data, covert to PyDataSet, then iterate and find a match from another PyDataSet. On occasion, some of the values … --- ## [Desktop Resize and Location](https://forum.inductiveautomation.com/t/desktop-resize-and-location/50494)
**Author:** [@ddonco](https://forum.inductiveautomation.com/u/ddonco)\ **Replies:** 1\ **Last updated:** [August 31, 2021, 9:18pm UTC](https://forum.inductiveautomation.com/t/desktop-resize-and-location/50494 "2021-08-31T21:18:06Z")
I’m trying to solve a pretty unique client request where we’d like to use the system.gui.openDesktop() function to launch one or more “popup desktops” from the main desktop, such that they can be moved across multiple di… --- ## [Question - Print Fee](https://forum.inductiveautomation.com/t/question-print-fee/50448)
**Author:** [@Shawn.Wang](https://forum.inductiveautomation.com/u/Shawn.Wang)\ **Replies:** 2\ **Last updated:** [August 31, 2021, 8:55pm UTC](https://forum.inductiveautomation.com/t/question-print-fee/50448 "2021-08-31T20:55:28Z")
Hello, In ignition 8.1.7, I try to use “system.print.createPrintJob()” function in the button to allow the user to and select the their preferred printer and print out the report in PDF Viewer. After the user printed t… --- ## [Embedding Session in a Webpage](https://forum.inductiveautomation.com/t/embedding-session-in-a-webpage/50200)
**Author:** [@stephen.wratten](https://forum.inductiveautomation.com/u/stephen.wratten)\ **Replies:** 25\ **Last updated:** [August 31, 2021, 8:52pm UTC](https://forum.inductiveautomation.com/t/embedding-session-in-a-webpage/50200 "2021-08-31T20:52:42Z")
I'm creating a project that will be used for advertising purposes on our website. I've setup my project with some Perspective views and configured the views to Public security. When I navigate to the endpoint for my sess… --- ## [Multi-Selecting Rows on Touchscreen Tables](https://forum.inductiveautomation.com/t/multi-selecting-rows-on-touchscreen-tables/50465)
**Author:** [@agriner](https://forum.inductiveautomation.com/u/agriner)\ **Replies:** 2\ **Last updated:** [August 31, 2021, 8:50pm UTC](https://forum.inductiveautomation.com/t/multi-selecting-rows-on-touchscreen-tables/50465 "2021-08-31T20:50:09Z")
I’m working on a touchscreen app in Perspective and users need to be able to select multiple rows of a table. On a desktop, you could hold CTRL and click to do this easily enough but on a touchscreen that isn’t really do… --- ## [Using system client tags for writing to a property (reset a dropdown date)](https://forum.inductiveautomation.com/t/using-system-client-tags-for-writing-to-a-property-reset-a-dropdown-date/50480)
**Author:** [@dzohner](https://forum.inductiveautomation.com/u/dzohner)\ **Replies:** 4\ **Last updated:** [August 31, 2021, 8:39pm UTC](https://forum.inductiveautomation.com/t/using-system-client-tags-for-writing-to-a-property-reset-a-dropdown-date/50480 "2021-08-31T20:39:22Z")
Hey everyone , I’m trying to write a date to a Dropdown I tried writing to the drop down property in this way value = \[System\]Client/User/DateTimeFormatShort.Value event.source.parent.getComponent(‘Start Date’).date… --- ## [Bind EngHigh & EngLow in UDT to PLC tag](https://forum.inductiveautomation.com/t/bind-enghigh-englow-in-udt-to-plc-tag/50426)
**Author:** [@Eric\_G](https://forum.inductiveautomation.com/u/Eric_G)\ **Replies:** 3\ **Last updated:** [August 31, 2021, 8:04pm UTC](https://forum.inductiveautomation.com/t/bind-enghigh-englow-in-udt-to-plc-tag/50426 "2021-08-31T20:04:05Z")
I’m trying to bind the EngHigh & EngLow numeric properties of a tag inside a UDT definition but can’t seem to figure out the right syntax. The only thing that seems to work is a numeric literal, and that hardly seems li… --- ## [Perspective mobile app login - authentication - session timeout recommendations](https://forum.inductiveautomation.com/t/perspective-mobile-app-login-authentication-session-timeout-recommendations/50479)
**Author:** [@rpavlicek](https://forum.inductiveautomation.com/u/rpavlicek)\ **Replies:** 1\ **Last updated:** [August 31, 2021, 7:38pm UTC](https://forum.inductiveautomation.com/t/perspective-mobile-app-login-authentication-session-timeout-recommendations/50479 "2021-08-31T19:38:38Z")
I’m setting up our Perspective project so that our remote field staff can use the Perspective mobile app on their iPhones in the most efficient experience possible. My issues is that our sessions seem to timeout quicker… --- ## [Using Git with multiple independent projects on Gateway](https://forum.inductiveautomation.com/t/using-git-with-multiple-independent-projects-on-gateway/50481)
**Author:** [@MikeAllgood](https://forum.inductiveautomation.com/u/MikeAllgood)\ **Replies:** 3\ **Last updated:** [August 31, 2021, 7:00pm UTC](https://forum.inductiveautomation.com/t/using-git-with-multiple-independent-projects-on-gateway/50481 "2021-08-31T19:00:42Z")
A client has directed us to create separate projects for different sections of a facility. The Gateway’s projects are managed using a Git repo. So now we will start having two independent projects on the same Gateway and… --- ## [Need creative way to navigate windows from gateway script](https://forum.inductiveautomation.com/t/need-creative-way-to-navigate-windows-from-gateway-script/50485)
**Author:** [@dtaylor](https://forum.inductiveautomation.com/u/dtaylor)\ **Replies:** 2\ **Last updated:** [August 31, 2021, 6:27pm UTC](https://forum.inductiveautomation.com/t/need-creative-way-to-navigate-windows-from-gateway-script/50485 "2021-08-31T18:27:58Z")
Ignition 7.9, vision I find myself needing to navigate to a popup under a condition that presents itself during a Gateway script. I know I cannot navigate from a Gateway script and, as I understand it, even if I call a… --- ## [Will a 7.9 license work in 8.0+?](https://forum.inductiveautomation.com/t/will-a-7-9-license-work-in-8-0/50483)
**Author:** [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\ **Replies:** 2\ **Last updated:** [August 31, 2021, 6:22pm UTC](https://forum.inductiveautomation.com/t/will-a-7-9-license-work-in-8-0/50483 "2021-08-31T18:22:20Z")
I have a project where we have a development license (just meaning a license for our development environment so we don’t have to reset the trial timer). The customer is requesting an Ignition upgrade to 8.1.9. Are we a… --- ## [Connecting Ignition to Proleit](https://forum.inductiveautomation.com/t/connecting-ignition-to-proleit/50389)
**Author:** [@Troy](https://forum.inductiveautomation.com/u/Troy)\ **Replies:** 5\ **Last updated:** [August 31, 2021, 4:49pm UTC](https://forum.inductiveautomation.com/t/connecting-ignition-to-proleit/50389 "2021-08-31T16:49:56Z")
I was told to connect Ignition to Proleit. I have IP addresses for the PLC, the Proleit server, and an OPC-UA connection (this one has a port number as well). I don’t know where to start here and neither does my coworker… --- ## [Easy Chart DB Pen Resolution](https://forum.inductiveautomation.com/t/easy-chart-db-pen-resolution/50411)
**Author:** [@eckman.tech](https://forum.inductiveautomation.com/u/eckman.tech)\ **Replies:** 7\ **Last updated:** [August 31, 2021, 4:23pm UTC](https://forum.inductiveautomation.com/t/easy-chart-db-pen-resolution/50411 "2021-08-31T16:23:42Z")
I have a client that is using Transaction Groups as their historian. One of there tables has 47 columns and is inserting new rows at a 5 second interval. When using the DB Pens with the Easy Chart it tries to pull all d… --- ## [Double date filter in historical data](https://forum.inductiveautomation.com/t/double-date-filter-in-historical-data/50431)
**Author:** [@Sheko29](https://forum.inductiveautomation.com/u/Sheko29)\ **Replies:** 1\ **Last updated:** [August 31, 2021, 3:16pm UTC](https://forum.inductiveautomation.com/t/double-date-filter-in-historical-data/50431 "2021-08-31T15:16:22Z")
hello, I have a tag which have historical activated… I want to obtain the average value in a range of days (like from 2021-08-01 to 2021-08-30) and in a range of hours (those days but only from 7:00 am to 8 am) more exa… --- ## [(Where) named query is used/called?](https://forum.inductiveautomation.com/t/where-named-query-is-used-called/50473)
**Author:** [@rvaught](https://forum.inductiveautomation.com/u/rvaught)\ **Replies:** 2\ **Last updated:** [August 31, 2021, 2:50pm UTC](https://forum.inductiveautomation.com/t/where-named-query-is-used-called/50473 "2021-08-31T14:50:05Z")
Is there an easy way to know (where) / (which views) named queries are being used? --- ## [Date range snap to hour](https://forum.inductiveautomation.com/t/date-range-snap-to-hour/50472)
**Author:** [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\ **Replies:** 0\ **Last updated:** [August 31, 2021, 2:24pm UTC](https://forum.inductiveautomation.com/t/date-range-snap-to-hour/50472 "2021-08-31T14:24:22Z")
Is there a good way to force the date range component to snap to an hour, or possibly 15, 30 minutes, etc.? --- ## ["Delete records older than:" for transaction groups is not working](https://forum.inductiveautomation.com/t/delete-records-older-than-for-transaction-groups-is-not-working/50471)
**Author:** [@1bob.joe1990](https://forum.inductiveautomation.com/u/1bob.joe1990)\ **Replies:** 0\ **Last updated:** [August 31, 2021, 2:23pm UTC](https://forum.inductiveautomation.com/t/delete-records-older-than-for-transaction-groups-is-not-working/50471 "2021-08-31T14:23:30Z")
Here is my config for the transaction group: Execution Schedule (Timer): 1 minute Update Mode: OPC to DB Data Source: sql database name Table Name: table name Automatically create table Store timestamp to: t\_stamp … --- ## [Gateway messages lost when restarting scripts](https://forum.inductiveautomation.com/t/gateway-messages-lost-when-restarting-scripts/50466)
**Author:** [@chi](https://forum.inductiveautomation.com/u/chi)\ **Replies:** 2\ **Last updated:** [August 31, 2021, 1:09pm UTC](https://forum.inductiveautomation.com/t/gateway-messages-lost-when-restarting-scripts/50466 "2021-08-31T13:09:15Z")
When the gateway script manager ist restarted, there seems to be a short period of time during which the message handler is not available. Is there a best practice to catch those events and resent the message? INFO |… --- ## [JfreeChart Dataset](https://forum.inductiveautomation.com/t/jfreechart-dataset/34404)
**Author:** [@kaushik.shah](https://forum.inductiveautomation.com/u/kaushik.shah)\ **Replies:** 26\ **Last updated:** [August 31, 2021, 12:51pm UTC](https://forum.inductiveautomation.com/t/jfreechart-dataset/34404 "2021-08-31T12:51:43Z")
Scripting JfreeChart using component property change. The issue is that it throws in AttributeError when I try to access the dataset of chart. Chart is located inside a template which has property change script : a… --- ## [Embedded View set as Default Height does not work](https://forum.inductiveautomation.com/t/embedded-view-set-as-default-height-does-not-work/47943)
**Author:** [@Gaurav.Shitole](https://forum.inductiveautomation.com/u/Gaurav.Shitole)\ **Replies:** 7\ **Last updated:** [August 31, 2021, 12:43pm UTC](https://forum.inductiveautomation.com/t/embedded-view-set-as-default-height-does-not-work/47943 "2021-08-31T12:43:13Z")
Hello, I am facing strange issue with Flex container. I have view as Flex as root and its set at highest height. It has some embedded views placed within it with Use Default height checked on it. I also have WRAP enable… --- ## [Buzzer when new alarm comes up](https://forum.inductiveautomation.com/t/buzzer-when-new-alarm-comes-up/49937)
**Author:** [@Thomas\_Putteman](https://forum.inductiveautomation.com/u/Thomas_Putteman)\ **Replies:** 3\ **Last updated:** [August 31, 2021, 12:06pm UTC](https://forum.inductiveautomation.com/t/buzzer-when-new-alarm-comes-up/49937 "2021-08-31T12:06:44Z")
Hi all, This could be a stupid question, but it is pretty urgent. We have Ignition Vision Clients running on different PC’s. All these PC’s have a speaker on-board. When there are alarms active, I would like to make s… --- ## [Blending Data in Ignition](https://forum.inductiveautomation.com/t/blending-data-in-ignition/50456)
**Author:** [@jcoletti](https://forum.inductiveautomation.com/u/jcoletti)\ **Replies:** 1\ **Last updated:** [August 31, 2021, 10:43am UTC](https://forum.inductiveautomation.com/t/blending-data-in-ignition/50456 "2021-08-31T10:43:45Z")
Hello, I have a vision window that displays a table with several data points spanning a time range where the data points are coming from different tables in a database. Not all the data required for the screen can be jo… --- ## [Referencing a tag property in another property within the same tag](https://forum.inductiveautomation.com/t/referencing-a-tag-property-in-another-property-within-the-same-tag/50454)
**Author:** [@mdia](https://forum.inductiveautomation.com/u/mdia)\ **Replies:** 3\ **Last updated:** [August 31, 2021, 8:43am UTC](https://forum.inductiveautomation.com/t/referencing-a-tag-property-in-another-property-within-the-same-tag/50454 "2021-08-31T08:43:17Z")
I wanna reference the property “Label” in the the property PB\_OPCtag. I tried tag({PathToTag}+’.Label’) but that didn’t work… Can this be accomplished? --- ## [Sending a popup to respective session based on session custom property](https://forum.inductiveautomation.com/t/sending-a-popup-to-respective-session-based-on-session-custom-property/50457)
**Author:** [@Gaurav.Shitole](https://forum.inductiveautomation.com/u/Gaurav.Shitole)\ **Replies:** 3\ **Last updated:** [August 31, 2021, 7:35am UTC](https://forum.inductiveautomation.com/t/sending-a-popup-to-respective-session-based-on-session-custom-property/50457 "2021-08-31T07:35:30Z")
Hi there, Currently we are launching our perspective Project at multiple locations hence multiple sessions are active. I’ve created session properties to use it in the session. What our current requirement is I need se… --- ## [Ignition Runtime becomes unresponsive randomly](https://forum.inductiveautomation.com/t/ignition-runtime-becomes-unresponsive-randomly/49948)
**Author:** [@kenneth.lim](https://forum.inductiveautomation.com/u/kenneth.lim)\ **Replies:** 2\ **Last updated:** [August 31, 2021, 2:07am UTC](https://forum.inductiveautomation.com/t/ignition-runtime-becomes-unresponsive-randomly/49948 "2021-08-31T02:07:57Z")
Hi All, I am currently experiencing Ignition Runtime becoming unresponsive randomly. Once it is unresponsive, I will need to close the Runtime and start it again and everything works until the next time it becomes unres… --- ## [Changing the Session.custom.prop value using URL Parameter](https://forum.inductiveautomation.com/t/changing-the-session-custom-prop-value-using-url-parameter/50419)
**Author:** [@Gaurav.Shitole](https://forum.inductiveautomation.com/u/Gaurav.Shitole)\ **Replies:** 4\ **Last updated:** [August 30, 2021, 9:57pm UTC](https://forum.inductiveautomation.com/t/changing-the-session-custom-prop-value-using-url-parameter/50419 "2021-08-30T21:57:53Z")
Hello there, Scene: I’ve a dropdown placed at docked header and bind to session.custom.prop (bidirectional). The session.custom.prop is indirectly linked with the tagPath. Dropdown at docked header —\> session.custom.p… --- ## [MySQL JSON\_OBJECT is string instead of object](https://forum.inductiveautomation.com/t/mysql-json-object-is-string-instead-of-object/50352)
**Author:** [@YF129701](https://forum.inductiveautomation.com/u/YF129701)\ **Replies:** 7\ **Last updated:** [August 30, 2021, 8:40pm UTC](https://forum.inductiveautomation.com/t/mysql-json-object-is-string-instead-of-object/50352 "2021-08-30T20:40:54Z")
I’m trying to style certain cells on a Perspective table based on whether they are approved or not. The way I used to do it would be to use a named query and then transform the dataset, adding styles and whatever else. H… --- ## [\[Bug\] system.gui.getWindowNames() results not sorting in client](https://forum.inductiveautomation.com/t/bug-system-gui-getwindownames-results-not-sorting-in-client/50451)
**Author:** [@Matthew.gaitan](https://forum.inductiveautomation.com/u/Matthew.gaitan)\ **Replies:** 2\ **Last updated:** [August 30, 2021, 8:25pm UTC](https://forum.inductiveautomation.com/t/bug-system-gui-getwindownames-results-not-sorting-in-client/50451 "2021-08-30T20:25:34Z")
On 8.1.9 system.gui.getWindowNames() isn’t alphabetically sorting the results in a vision client but does so in the designer. The Ignition 8.1 documentation leads me to believe the results should be sorted in both insta… --- ## [Easy Chart Mouse Wheel Zoom](https://forum.inductiveautomation.com/t/easy-chart-mouse-wheel-zoom/50450)
**Author:** [@shane.m.alexander](https://forum.inductiveautomation.com/u/shane.m.alexander)\ **Replies:** 0\ **Last updated:** [August 30, 2021, 7:06pm UTC](https://forum.inductiveautomation.com/t/easy-chart-mouse-wheel-zoom/50450 "2021-08-30T19:06:41Z")
I’d like the mouse wheel to zoom in and out on the domain axis of an easy chart when in pan mode. I found a post where folks accessed the ChartPanel object and called methods here. I tried to implement this with this pr… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=966) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=968)