Blazor forms and validation
Similar to all major SPA frameworks, Blazor offers specific tools for processing user input while providing valid feedback to the user with error messages and immediate visual clues.
In classic HTML websites, HTML forms are used to collect input, validate it, and send it to the server. In client frameworks, data is not sent to the server by submitting forms, but forms retain their validation purpose. More specifically, they act as validation units, that is, as a container for inputs that must be validated together because they belong to a unique task. Accordingly, when a submit button is clicked, an overall validation is performed, and the system notifies of the result via events. This way, the developer can define what to do in case of errors and what actions to take when the user has successfully completed their input.
It is worth pointing out that validation performed on the client side doesn’t ensure data integrity because a malicious...
