How to force a component to re-render?
To force a component to rerender, use the “StateHasChanged” method in Blazor, to notify that the state has been changed and requires re-rendering. For more information on the same, check this link.
How to detect keypress event without using an input tag?
To detect keypress event in a div tag, use the @onkeydown event on the current element. In the created example there is a div element with keydown event, and on rendering, the focus to the div element is set by using the JS Interop.
How do I do server-side form validation?
To carry out form validation in a Blazor server-side application, use data annotations to enable validation for the forms. Also, include <DataAnnotationsValidator /> and <ValidationSummary /> in the forms. Refer to the following code sample.
How to disable/hide a button as soon as it is clicked in Blazor?
To disable a button in Blazor after it is clicked, set the disabled property to true for the button element by binding the property. In the sample, the disabled property of a button element is set to true on button click.
What is the use of the StateHasChanged method?
The StateHasChanged is a method in ComponentBase that notifies state changes to a component. When called, it rerenders the component.For more information, check this link.