public class ConfigHelper    {        public static ScriptsHelper Scripts        {            get { return new ScriptsHelper(); }        }        public static ParametersHelper Parameters        {            get { return new ParametersHelper(); }        }    }    public class ScriptsHelper    {        string fileName = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, @"Scripts.xml");        public PerScript this[string name]        {            get            {                string value = http://www.mamicode.com/Tools.ExecuteXPathInFile(fileName, string.Format(@"/Scripts/Script[@name=‘{0}‘]/text()", name.Trim()));                string connection = Tools.ExecuteXPathInFile(fileName, string.Format(@"/Scripts/Script[@name=‘{0}‘]/@connectionName", name.Trim()));                PerScript script = new PerScript(value, connection);                return script;            }        }        public class PerScript        {            public PerScript(string value, string connection)            {                m_Value = http://www.mamicode.com/value;"/KeyValues/KeyValue[@name=‘{0}‘]", name.Trim()));                if (keyValueStr != null)                {                    PerKeyValue returnObj = new PerKeyValue(name, keyValueStr);                    return returnObj;                }                else                {                    return null;                }            }        }        public class PerKeyValue        {            public PerKeyValue(string name, string keyValueStr)            {                m_KeyValueStr = keyValueStr;                m_Name = name;                m_Value = http://www.mamicode.com/Tools.ExecuteXPathInString(keyValueStr, @"/KeyValue/text()");            }            string m_KeyValueStr;            private string m_Name;            public string Name { get { return m_Name; } }            public PerKeyValueAttributes Attributes            {                get                {                    string[] temp = m_KeyValueStr.GetSubString(@"(?<=\<KeyValue\s+).+.(?=/?\>)");                    if (temp != null && temp.Length > 0)                        return new PerKeyValueAttributes(temp[0]);                    else                        return null;                }            }            string m_Value;            public string Value { get { return m_Value; } }            public List<PerKeyValue> KeyValus            {                get                {                    List<PerKeyValue> list = null;                    XmlDocument doc = new XmlDocument();                    doc.LoadXml(m_KeyValueStr);                    XmlNodeList nodes = doc.SelectNodes("/KeyValue/KeyValue");                    if (nodes != null && nodes.Count > 0)                    {                        list = new List<PerKeyValue>();                        foreach (XmlNode item in nodes)                        {                            list.Add(new PerKeyValue(item.Attributes["name"].InnerText, item.OuterXml));                        }                    }                    return list;                }            }            public PerKeyValue this[string name]            {                get                {                    string keyValueStr = Tools.ExecuteXPathInString(m_KeyValueStr, string.Format(@"/KeyValue/KeyValue[@name=‘{0}‘]", name.Trim()));                    if (keyValueStr != null)                        return new PerKeyValue(name, keyValueStr);                    else                        return null;                }            }        }        public class PerKeyValueAttributes        {            public PerKeyValueAttributes(string attributes)            {                m_Attributes = attributes;            }            string m_Attributes = string.Empty;            public string this[string name]            {                get                {                    string[] results = m_Attributes.GetSubString(string.Format(@"(?<={0}\s*="").+", name));                    if (results != null && results.Length > 0)                    {                        return results[0].ReplaceString(@""".*", string.Empty);                    }                    else                        return null;                }            }        }    }