private void bttonAddInstallSumXMLByID_Click(object sender, EventArgs e) {
XmlDocument iSumTest = null;// new XmlDocument();
// iSumTest = null;
this.LblReturn.Text = Company.AddCompanyInstallationSummaryXMLByID(1, iSumTest).ToString();
GetAllCompanies(sender, e, showGridRowCount: false);
}