Where to call Datagrid.GotoPage

Using version 3 of the component library I used the GotoPage() method of a datagrid in the OnInitializedAsync after setting the datasource, eg.

 protected override async Task OnInitializedAsync()
    {
        Data= await Data.ListAsync();
// int page = ...  coming from parameters or querystring and checked if > 1 and <= (recordCount / Grid.PageSize) + 1
        await Grid.GotoPage(page); 
    }

Now it doesn't work anymore, but it works in OnAfterRenderAsync(bool firstRender)

Is it correct to call here?

And btw, when should I set to true the second parameter forceReload?

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