Editing cell is too slow when I use ViewportRowRenderingOffset : 1000

[y.narazaki.test2 (Y Narazaki)]

I have about 1K rows in 42 columns in my Handsontable.

Then, I am having an issue mentioned in this post.

Scrolling + rendering issues

I’m having issues with scrolling on my grid. I’ve noticed that the ‘viewportRowRenderingOffset’ is a bit buggy. I have a video showing the problem im getting: https://streamable.com/rkwzo The problem in this particular case is that I have 70 rows. VERY randomly, the number of rows at the end varies depending on the speed we scroll at, which shouldn’t be the case. Looking at the video, you can see that the first time i scroll, the last row is #68. IF i scroll up and back down again, you can s…

As aleksandra_budnik says in this post, I try to set viewportRowRenderingOffset for 1000.

After that, unfortunately, it is very slow when I edit a cell.

Is there any option that I can makes it faster ?

[aleksandra_budnik]

Hi @y.narazaki.test2

1k rows with 42 should not cause you any performance issues. If it happens it might be related to some heavy calculations taking place.

Can you share you settings with me?

[aleksandra_budnik]

Hey @y.narazaki.test2

I believe that we can close this topic as there are no new comments for nearly 2 weeks.

However, if you need anything please send me an email to support@handsontable.com