@inject IBuildOrderService buildOrderService

@implements IDisposable

<FormLayoutComponent>
    <FormTextAreaComponent Label="JSON Data"
                           Rows="14"
                           Value="@buildOrderService.AsJson()">
    </FormTextAreaComponent>
</FormLayoutComponent>

@code {

    protected override void OnInitialized()
    {
        buildOrderService.Subscribe(StateHasChanged);
    }

    void IDisposable.Dispose()
    {
        buildOrderService.Unsubscribe(StateHasChanged);
    }

}