private void SaveUpdates()
{
contactDetailsSource.EndEdit();
if (viewModel.DataSetSource.Tables["Customer"].DataSet.HasChanges() || viewModel.DataSetSource.Tables["CustomerContacts"].DataSet.HasChanges())
{
string filter = $"Name = '{viewModel.SelectedCustomer.Name}' AND Longitude = '{viewModel.SelectedCustomer.Longitude}' AND Latitude = '{viewModel.SelectedCustomer.Latitude}'";
viewModel.Execute(btnSave.Tag, filter);
}
this.Hide();
}