private void btnTestWFS_Click(object sender, EventArgs e)
        {
            try
            {
                this.Cursor = Cursors.WaitCursor;

                string url = txtWFSUrl.Text.Trim();
                if (!String.IsNullOrEmpty(txtServiceName.Text.Trim()))
                {
                    url = WebFunctions.AppendParametersToUrl(url, "ServiceName=" + txtServiceName.Text.Trim());
                }

                string param = "REQUEST=GetCapabilities&VERSION=1.1.1&SERVICE=WFS";
                url = WebFunctions.AppendParametersToUrl(url, param);

                string capabilities = WebFunctions.RemoveDOCTYPE(WebFunctions.DownloadXml(url));

                XmlDocument doc = new XmlDocument();
                doc.LoadXml(capabilities);

                xmlViewTree1.XmlDocument = doc;
            }
            catch (Exception ex)
            {
                this.Cursor = Cursors.Default;
                MessageBox.Show("ERROR: " + ex.Message);
            }
            finally
            {
                this.Cursor = Cursors.Default;
            }
        }