public void operationSelect()
        {
            C_ResponseFromService c_Response = new C_ResponseFromService();
            DataTable             dataTable;

            try
            {
                if (textBoxLocation_1.Text != "" & textBoxLocation_2.Text != "" & textBoxLocation_3.Text != "")
                {
                    dataTable = (c_Response.m_GetListProduct(textBoxLocation_1.Text + "-"
                                                             + textBoxLocation_2.Text + "-" + textBoxLocation_3.Text));

                    if (dataTable != null)
                    {
                        DataGridSQL.ItemsSource = dataTable.DefaultView;
                    }
                }

                else if (textBoxLocation_1.Text != "" & textBoxLocation_2.Text != "")
                {
                    dataTable = (c_Response.m_GetListProduct(textBoxLocation_1.Text + "-"
                                                             + textBoxLocation_2.Text));

                    if (dataTable != null)
                    {
                        DataGridSQL.ItemsSource = dataTable.DefaultView;
                    }
                }

                else if (textBoxLocation_1.Text != "")
                {
                    dataTable = (c_Response.m_GetListProduct(textBoxLocation_1.Text));

                    if (dataTable != null)
                    {
                        DataGridSQL.ItemsSource = dataTable.DefaultView;
                    }
                }
                else
                {
                    return;
                }
            }
            catch (Exception e)
            {
            }
        }