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Splitter between the rowheader grid and task grid not showing

Answered: I've tried to add your config to a new Angular Gantt chart project generated using and it seems to work fine. The splitter appears as expected. If you are using a custom ...

Scheduler - right clicking changes existing time range selection

Answered: Thanks for uploading the sample project. This issue should be fixed now in the latest sandbox build (2023.1.5487): Please let me know if it doesn't work as ex...

Scheduler - Cannot read properties of undefined (reading 'ignoreDisabledCells')

Answered: > No, but I forget to tell, that the error happens on right clicking any cell. It doesn't matter to which row the cell belongs. I select it and right click, then the error shows. Could you please che...

dblclick is not working after daypilot upgrade

Answered: From your example it's not obvious what kind of element that is and where you add it (it is not part of the standard Scheduler structure). Please note that the Scheduler parts are rendered progressiv...

inlineEdit is not accessible from originalEvent after updating daypilot from 2019 to 2021

Answered: In older DayPilot versions (including 2019 versions), the event handler object (args) was not typed (type any). The args.originalEvent holds a MouseEvent object (unmodified event object from the clic...

Issue when updating resources

Hello, I am using the scheduler type calendar, and when I try to make an update with the resources, I get the following error: TypeError: Cannot read properties of undefined (reading 'hidden') ...

Scheduler - active area images flicker during scheduler resizing

Answered: I'm not sure if you will be able to get rid of the flicker. During zoom, the Scheduler is re-rendered with the updated timeline and dimensions (including the row headers). There are a couple of thing...

Scheduler: consecutive events appear as overlapping with high zoom level

Answered: In some cases this can happen. It's a result of the following logic: 1. The Scheduler enforces a minimum event with of 1px. 2. The overlaps are resolved on pixel level. These rules are necessary to e...

Scheduler - Frozen row not on the top layer

Answered: I recommend checking your custom CSS theme: If you define z-index for the event boxes, they will appear on top of everything. The Scheduler doesn't use z-index for any element.

Area ResizeStart, ResizeEnd, Move actions no longer work on the event calendar for touch devices.

Answered: This should be fixed now in the latest sandbox build (2022.2.5463): Thanks for reporting the issue!

Angular DayPilot Lite Library - DayPilot.Calendar class missing property "headerDateFormat"

Answered: This should be fixed now in the latest sandbox build (2022.4.434): The next official release will be available next week. Thanks for reporting the issue!

Columns for groups not working

Answered: The Scheduler component introduced a new configuration property (rowHeaderColumnsMergeParents) and the Gantt chart inherited the default value:

Performance issue

Answered: Thanks for the update. To detect that a row has been rendered, you can use onBeforeRowHeaderRender event: You can also increase th...

minCellHeight seems not work

Answered: In the monthly calendar, it's necessary to use cellHeight:

onBeforeCellRender loading after trigger click

Answered: At this moment, the React Scheduler will always update on state changes. This is a design decision and the alternative would be to perform a deep comparison of the current/previous props. The props c...

Calendar Month in viewtype=week

Answered: Thanks for the update. It should be fixed now in the latest sandbox build (2022.3.5440): Please let me know if the problem persists.

Empty start or end date corrupts DB

Answered: The current version works like this: The Scheduler doesn't create any event by itself. If users select a time range, the Scheduler fires he onTimeRangeSelected event (

Scheduler - TypeError: Cannot read properties of undefined (reading 'left')

Answered: The latest sandbox build (2022.3.5424) now includes a fix for this scenario. Could you please give it a try and let me know if it solves the issue?

OnEventMove waiting on modal response -- cancel response breaks scheduler

Answered: By calling setTimeout() in onEventMove you create a new JavaScript message that will be processed later as the JavaScript event loop continues (see also

TypeError: Cannot read properties of undefined (reading 'parent')

Answered: Thanks for the update. It should be fixed now in the latest sandbox build (2022.3.5390): Please let me know if there is any problem.

TypeError: Cannot set properties of undefined (setting 'cssClass')

Answered: This error means that the parent object of the cssClass property is undefined - args.columns[x]. Since version 2022.2.5302, the columns are merged by default for parent resources. That means args.col...

Rowspan undefined with collapsed resources and multiple columns

Answered: This should be already fixed in the latest version (which is now 2022.3.5384). Please let me know if the problem persists.

Row Header Column resize buggy in Legacy Mode

Answered: This issue should be fixed now in the latest sandbox build (2022.3.5388): Please let me know if the problem persists.

daypilot all - functions not working

Answered: I resolved this. I was sending the 'data' object via jQuery $.post and it was failing. Re-populating the object sent using $.post using: newStart: args.newStart.toString(), newEnd: args.newEnd.toStri...

ISO-8601datetime nanoseconds support

Answered: At this moment the DayPilot.Date class supports milliseconds only, i.e. it will accept three digits after the decimal point: "2022-06-01T23:59:59.999".

DayPilot Scheduler sometimes puts different "event containers" on the same line

Answered: The container joins the member events into a single virtual event. The virtual events are then treated in a standard way - there can be multiple events in the same line in a row, if they don't overla...

Split in resource

Answered: These issues should be fixed now in the latest build (2022.2.5303): Now you can access the split resource parent using DayPilot.Row.splitParent() and subresou...

Cannot read properties of null (reading 'offsetHeight')

Answered: It looks like one of the event handlers survived the component destroy phase and it is trying to access DOM elements that were already removed. That should be fixed already - could you please give it...

Dragging events out of loaded date range leads to errors or losing duration

Hi everyone, I have trouble with my Scheduler when dragging events out of the loaded time range using infinite scrolling. So I'm starting with a range of multiple months around "today" loaded and dra...

Getting "No next cell found" error

Answered: Maybe it stopped working on a specific day (Saturday, Sunday) - you are using today for the queue. This can be a problem if you display one day and hide weekends but it looks like your configuration ...
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