/// <summary> /// Fills ContactNos into ComboBox /// </summary> private void FillContactNo() { string[] ContactList = VisitorManager.GetContacts(); cboContactNo.Items.Clear(); if (ContactList != null) { cboContactNo.Items.Add("All"); foreach (string str in ContactList) { cboContactNo.Items.Add(str); } cboContactNo.Text = "All"; } }