@page "/"
<MatButton OnClick="@StateHasChanged">State Has Changed</MatButton>
<MatTabGroup>
<MatTab Label="First">
<MatButton OnClick="@Clicking">Press Me!</MatButton>
@if(Clicked)
{
<h1>You Pressed it!</h1>
}
</MatTab>
<MatTab Label="Second">
<NewTab/>
</MatTab>
</MatTabGroup>
@code
{
public bool Clicked {get; set;}
public void Clicking()
{
Clicked = !Clicked;
StateHasChanged();
}
}