What is the correct way to update controls on main UI thread

Question

In my C# winforms application I am loading the data from the database using Task in the background, below is my code. But after uploading the data I am updating my UI control(s) which is BindingSource. This BindingSource component is connected to the DataGrid which will be updated as well.

what I need to know is that what I am doing is the right way or is there another better way to achieve the same goal.

private async void Form_Load(object sender, EventArgs e)
{
    Task loadDataTask = Task.Factory.StartNew(() =>
    {
       // LoadData(); // loading the data from the database
    });

    await loadDataTask.ConfigureAwait(true);

    FormBindingSource.DataSource = _businessObjecsCollection;
}

Just be aware that the `DataGrid` may be loaded after the form has been shown to the user. — Theodor Zoulias, Dec 30 '19 at 11:46
[Load data asynchronously into DataTable in Windows Forms](https://stackoverflow.com/a/38427392/3110834) — Reza Aghaei, Dec 30 '19 at 13:40
@RezaAghaei, great question you suggested. I will try to follow this approach. — Shax, Dec 30 '19 at 16:59

score 0 · Accepted Answer · answered Dec 30 '19 at 10:51

if you can afford it, make method which loads data asynchronous. then you will be able to change Form method as:

private async void Form_Load(object sender, EventArgs e)
{
    await LoadDataAsync();

    FormBindingSource.DataSource = _businessObjecsCollection;
}

maybe even

private async void Form_Load(object sender, EventArgs e)
{        
    FormBindingSource.DataSource = await LoadDataAsync();
}

otherwise current method seems fine

What is the correct way to update controls on main UI thread

1 Answers1