cmb_State_Send.ItemsSource = null;

                XmlDocument doc = new XmlDocument();

                doc.Load("D:\\模板\\WorkstationState_Config.xml");    //加载Xml文件

                XmlElement rootElem = doc.DocumentElement;            //获取根节点

                XmlNode xn = rootElem.SelectSingleNode("//Workstation[@Name='" + str + "']");

                if (xn != null)

                {

                    XmlNodeList xn1 = xn.ChildNodes;

                    List<string> tem = new List<string>();

                    for (int i = ; i < xn1.Count; i++)

                    {

                        tem.Add(xn1.Item(i).InnerText);

                    }

                    if (tem.Count > )

                    {

                        cmb_State_Send.ItemsSource = tem;

                        cmb_State_Send.SelectedIndex = ;

                    }

                }