Null reference error occurs when navigating to a page that includes IgbTileManager

[mkamiishi]

Description

When navigating to a page that includes IgbTileManager, a null reference error occurs on the second visit and beyond.

Steps to reproduce

Test1 (Previous page contains 'PageTitle'):

1. Run the sample BlazorWASMTileManager.zip.
2. Click “Counter” link on NavMenu.
3. Click “TileManager” link on NavMenu.
4. Click “Counter” link on NavMenu.
5. Click “TileManager” link on NavMenu.

Test2 (Multiple IgbTileManager instances on the page):

1. Run the sample BlazorWASMTileManager_test2.zip.
2. Click “test” link.
3. Click “TileManager” link.
4. Click “test” link.
5. Click “TileManager” link

Result for Test1 & Test2

Script Error is thrown.
Uncaught TypeError: Cannot read properties of null (reading 'assign')
at Vx.assignTiles (igniteui-webcomponents.93d992f5e69b9aa085bf.bundle.js:2964:834)
at sw._observerCallback (igniteui-webcomponents.93d992f5e69b9aa085bf.bundle.js:3049:3811)
at MutationObserver. (igniteui-webcomponents.93d992f5e69b9aa085bf.bundle.js:220:712)

Expected result for Test1 & Test2

Script Error is not thrown.

Attachments

Test1: BlazorWASMTileManager.zip
Test2: BlazorWASMTileManager_test2.zip

[github-actions]

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[github-actions]

This issue was closed because it has been inactive for 14 days since being marked as stale.