Blazor Cheatsheet
Two-Way binding i komponent
@* MyInput.razor *@
@using Microsoft.AspNetCore.Components
<input type="text"
@bind-Value="TextValue"/>
@code {
[Parameter]
public EventCallback<string> TextValueChanged { get; set; }
[Parameter]
public string? TextValue
{
get => _textValue;
set
{
if (_textValue == value) return; //Important. Endless loop if not there
_textValue = value;
TextValueChanged.InvokeAsync(value);
}
}
private string? _textValue;
}
<MyInput @bind-TextValue="@MyObject.MyString" />