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Circular Gauge: ERROR Error: Cannot read property 'style' of null
Hello.
I get error when resizing the window.
ERROR TypeError: Cannot read property 'style' of null
at Annotations.renderAnnotation (vendor.js:179643)
at vendor.js:181277
at Array.map ()
at AxisLayoutPanel.renderAxes (vendor.js:181265)
at CircularGaugeComponent.renderElements (vendor.js:183074)
at CircularGaugeComponent.render (vendor.js:182481)
at CircularGaugeComponent.appendTo (vendor.js:176291)
at vendor.js:167964
at ZoneDelegate.invokeTask (polyfills.js:621)
at Object.onInvokeTask (vendor.js:73397)
A sample can be found in the link below:
https://stackblitz.com/edit/angular-aiyzmm?file=app.component.html
Screenshot: https://i.snipboard.io/yzfhP8.jpg
https://stackblitz.com/edit/angular-aiyzmm?file=app.component.html
Screenshot: https://i.snipboard.io/yzfhP8.jpg
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5 Replies
1 reply marked as answer
SA
Sabari Anand Senthamarai Kannan
Syncfusion Team
November 13, 2020 08:00 AM UTC
Hi Iliya,
Thank you for contacting Syncfusion support.
We are unable to reproduce the reported issue with the provided sample. However, we have reproduced the reported issue in another sample application and fixed the reported issue. We will include the fix for the reported issue in next weekly NuGet release. We will inform you once it is available.
Regards,
Sabari Anand
IL
Iliya
November 13, 2020 08:36 AM UTC
Thanks a lot. :)
SB
Swetha Babu
Syncfusion Team
November 16, 2020 07:20 AM UTC
Hi Iliya,
Thank you for your update.
Most Welcome! We will get back to you once the fix is available in our weekly NuGet release.
Regards,
Swetha Babu
Thank you for your update.
Most Welcome! We will get back to you once the fix is available in our weekly NuGet release.
Regards,
Swetha Babu
IL
Iliya
November 18, 2020 11:07 AM UTC
I've updated to your latest package.
Now the annotation render error is gone, but annotation is still not visible until window resize.
Also on your sample at https://ej2.syncfusion.com/angular/demos/#/material/circular-gauge/annotation the annotations are changing their position and blinking on window resize.

Now the annotation render error is gone, but annotation is still not visible until window resize.
Also on your sample at https://ej2.syncfusion.com/angular/demos/#/material/circular-gauge/annotation the annotations are changing their position and blinking on window resize.

SB
Swetha Babu
Syncfusion Team
November 19, 2020 01:19 PM UTC
Hi Iliya,
Thank you for your update.
Thank you for your update.
Please find the details for your queries from the below table.
|
Queries |
Details |
|
Now the annotation render error is gone, but annotation is still not visible until window resize. |
We are unable to reproduce the reported issue in our Circular gauge control. Can you please provide us the code snippet or share us the application to reproduce the reported issue? |
|
Also on your sample at https://ej2.syncfusion.com/angular/demos/#/material/circular-gauge/annotation the annotations are changing their position and blinking on window resize. |
In this sample, we have rendered two circular gauges as annotations. These circular gauges will be removed and appended dynamically in the setInterval() method. So the blinking effect is visible and the annotation text content position changes. We have checked this issue in the older versions of the circular gauge before the script error reproduced version. This blinking effect is visible in the older versions too. Please provide us the sample or code snippet in which you are facing the issues in query 1. It will be helpful for us to analyze further and assist you better. |
Please let us know if you need any further assistance.
Regards,
Swetha Babu
Regards,
Swetha Babu
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