common.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Xml;

namespace Watson.Common
{
    public class Common
    {

        /// <summary>
        /// Read error message from error ID
        /// </summary>
        /// <param name="errorId"></param>
        /// <returns></returns>
        public static string GerErrorMessage(string errorId)
        {
            XmlDataDocument xmlDoc = new XmlDataDocument();
            string message = "Internal Error";
            string errorListFile = System.AppDomain.CurrentDomain.BaseDirectory + "ErrorList\\ErrorList.xml";

            xmlDoc.Load(errorListFile);

            XmlNodeList xmlList = xmlDoc.SelectNodes("root/ErroMessages/ErroMessage");

            if (xmlList != null)
            {
                foreach (XmlNode smsNode in xmlList)
                {
                    if (smsNode.SelectSingleNode("ErrorID").InnerText == errorId)
                    {

                        message = smsNode.SelectSingleNode("ErrorDescription").InnerText;
                        break;
                    }

                }
            }
            return message;
        }
    }
}