Hi Cris,Syncfusion Greetings.Q1: We prepared the sample to load and unload the datasource of the scheduler based on button click and same can be available in below link.Q2: Could you please share below details with us to serve you better.
- How much number of resources and appointments loaded in your scheduler.
- How much number of appointment loaded in current view.
- Which browser are you using?
- Whether you are using remote data or local data.
- Did you used template for events and resources?
- Did you used virtualScrolling option of the scheduler?Regards,M.Vinitha devi