private async void Form1_Shown(object sender, EventArgs e)
{
//var waitForm = new WaitForm() {TopLevel = true, TopMost = true};
//waitForm.Show();
//try
//{
// _customersBindingSource = new BindingSourceDataTable { DataSource = await _operations.LoadCustomerData() };
//}
//finally
//{
// waitForm.Dispose();
//}
_customersBindingSource = new BindingSourceDataTable {
DataSource = await _operations.LoadCustomerData()
};
if (_operations.IsSuccessFul)
{
customerDataGridView.DataSource = _customersBindingSource;
bindingNavigator1.BindingSource = _customersBindingSource;
_customersBindingSource.Sort = "CompanyName";
customerDataGridView.DataError += CustomerDataGridView_DataError;
customerDataGridView.ExpandColumns();
}
else
{
MessageBox.Show($"Encountered the following issues\n{_operations.LastExceptionMessage}");
}
}
private async void IterateDataForm_Shown(object sender, EventArgs e)
{
_recordCount = await _operations.PersonTableAsyncCountTask();
var progress = new Progress <string>(s => label1.Text = $"Loading {s} of {_recordCount}");
try
{
_contactsBindingSource = new BindingSourceDataTable {
DataSource = await _operations.LoadPeopleAsyncWithCancellationTask(progress, _cancellationTokenSource.Token)
};
if (_operations.IsSuccessFul)
{
dataGridView1.DataSource = _contactsBindingSource;
bindingNavigator1.BindingSource = _contactsBindingSource;
_contactsBindingSource.Sort = "LastName";
dataGridView1.Columns["id"].Visible = false;
dataGridView1.DataError += DataGridView1_DataError;
dataGridView1.ExpandColumns();
if (_cancellationTokenSource.IsCancellationRequested)
{
MessageBox.Show($"Operation cancelled with {_contactsBindingSource.Count} of {_recordCount} records.");
}
dataGridView1.KeyDown += DataGridView1_KeyDown;
ActiveControl = dataGridView1;
}
else
{
MessageBox.Show(_operations.LastExceptionMessage);
}
}
catch (OperationCanceledException)
{
MessageBox.Show("Loading of data has been cancelled");
}
catch (Exception exception)
{
MessageBox.Show($"Encountered issues\n{exception.Message}");
}
}
