C# for Microsoft .NET Snippet

		// Called when user clicks go button - call the web service.
		private void btnGo_Click(object sender, System.EventArgs e)
		{
			// abaService class automatically generated from WSDL
			// and located in WebReferences section
			abaService.ABAService service;
			try
			{
				// Hour Glass.
				this.Cursor = Cursors.WaitCursor;
				// Create the service.
				service = new abaService.ABAService();

				// Get the company ID.x
				// Logon
				string token = service.Logon(int.Parse(tbCompanyID.Text), tbUserName.Text.Trim(), tbPassword.Text.Trim());
				// Get the banks XML.
				string xml = service.GetBanksXML(token, tbABA.Text);
				if (xml != "")
					ProcessXML(xml);
				
			}
			catch (Exception)
			{
				// Something failed.
				MessageBox.Show("Call to web service failed!", "Error!");
				comboBanks.Items.Clear();
			}
			finally
			{
				// Restore the cursor.
				this.Cursor = Cursors.Default;
			}
		}

		//
		// Process the XML
		//
		private void ProcessXML(string xml)
		{
			try
			{
				comboBanks.Items.Clear();
				XmlDocument xmlDoc = new XmlDocument();
				xmlDoc.LoadXml(xml);
				XmlNodeList nodeList = xmlDoc.SelectNodes("//InstitutionName[@type='M']");
				foreach (XmlNode node in nodeList)
				{
					comboBanks.Items.Add(node.InnerText);
				}
				comboBanks.Enabled = true;
				comboBanks.SelectedIndex = 0;
				btnClear.Enabled = true;
			}
			catch (Exception)
			{
			}
		}