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'JSInterop' does not exist in the namespace 'Microsoft'

Framework - .NET 5.0; Previous Syncfusion ver.:, Upgrade ver:

Hi, previously I used old version of syncfusion and all working well. Since there're few limitations to the old version, decided to upgrade version. But I got the error like this:

3 Replies

BH BharatRam Harikrishnan Syncfusion Team January 20, 2023 07:02 AM UTC

Hi Mohamad,

Please refer version compatibility document where we have dropped .NET 5 support in 20.1 release.


Release notes


Also, check upgrade guide when you are upgrading from one version to another version to know the changes between the versions,


Please let us know if you have any concern.


Bharat Ram H

MN Mohamad Nur Fitri bin Abd halim January 25, 2023 02:52 AM UTC

Thanks for your response. 

BH BharatRam Harikrishnan Syncfusion Team January 25, 2023 05:54 AM UTC

Hi Mohamad,

We hope the shared details helped you. Please get back to us if you need further assistance.


Bharat Ram H

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