private void btnGroupCustomerSave_Click(object sender, EventArgs e)
{
if (dgvGroupList.SelectedRows.Count == 0 || dgvGroupList.SelectedRows[0].Index < 0)
{
return;
}
var rowIndex = dgvGroupList.SelectedRows[0].Index;
var row = dgvGroupList.Rows[rowIndex];
var groupId = int.Parse(row.Cells["Id"].Value?.ToString());
var customersList = (BindingList <Customer>)dgvGroupCustomerList.DataSource;
var customersListId = customersList.Select(c => c.Id).ToList();
GroupBLL.SaveListCustomersOfGroup(groupId, customersListId);
Thread loadCustomersInGroupThread = new Thread(() => LoadCustomersInGroup(groupId));
Thread loadCustomersNotInGroupThread = new Thread(() => LoadCustomersNotInGroup(groupId));
Thread loadGroupsThread = new Thread(() => LoadGroups());
loadCustomersInGroupThread.Start();
loadCustomersNotInGroupThread.Start();
loadGroupsThread.Start();
MessageBox.Show("Cập nhật danh sách khách hàng thành công");
}