Solution: Make sure you create the following folder in wwwroot folder and follow instruction.
1. Create _content folder in wwwroot
2. Create another folder inside _content called Microsoft.AspNetCore.Components.QuickGrid
2. Then navigate to C:\\Users\YourName\.nuget\packages\microsoft.aspnetcore.components.quickgrid\8.0.7\staticwebassets
copy everything in that folder and paste it in a subfolder inside _content folder you created in step 1.
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