Hi Shahim,
Greetings from Syncfusion Support.
With your shared information, we couldn’t provide you the prompt solution. So please share the following details to check the issue at our end.
- Whether you are rendering different scheduler in each tab?
- Whether you are changing the appointment collection on tab selection?
- Any script error occurs in console? If so please share the error message.
- Share the scheduler rendering code
- Syncfusion package version
- Whether you are using ASP.NET Webforms or ASP.NET webforms classic?
Regards,
Nevitha