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3
Votes

DropdownList and MultiSelect Components are Slow When Opening Popup and Selecting Values

Description:  In a Blazor WebAssembly project, the MultiSelect and DropdownList components are slow when opening the popup and selecting values. However, when testing the same application in the server environment, it performs well. This issue only occurs in WASM.


Sample: Attached


Replication Steps:

  1. Run the sample.
  2. Open the MultiSelect component. After a delay, the popup opens. Selecting any value takes time.
  3. The same issue also occurs with the DropdownList component.

Expected Behavior: The component should respond quickly when selecting values.

Actual Behavior: The DropdownList and MultiSelect components exhibit slow performance.