@page "/"
@using System.Threading
@using System.Threading.Tasks
<MyChildComponent OnTyping="async e => await OnTypingAsync(e)"/>
<div>@result</div>
@code {
string result;
public async Task OnTypingAsync(string myText)
{
await Task.Delay(1);//call GetDataAsync(myText) method
result = myText;
await InvokeAsync(StateHasChanged);
}
}