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参考
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https://www.ezzylearning.net/tutorial/a-guide-to-blazor-forms-and-validation
https://gunnarpeipman.com/blazor-form-validation/amp/
https://docs.microsoft.com/en-us/aspnet/core/blazor/forms-validation?view=aspnetcore-6.0
https://jasonwatmore.com/post/2020/07/31/blazor-webassembly-form-validation-example
https://chrissainty.com/building-custom-input-components-for-blazor-using-inputbase/
https://chrissainty.com/creating-bespoke-input-components-for-blazor-from-scratch/
https://chrissainty.com/avoiding-accesstokennotavailableexception-when-using-blazor-webassembly-hosted-template-with-individual-user-accounts/