Linq XML ( object[] list)

linq-xml-object-list.cs

 class Program
    {
        static void Main(string[] args)
        {
            Program p = new Program();

            //Console.WriteLine(p.linqStringList());
            Console.WriteLine(p.linqObjectArrayList());
            Console.ReadLine();
        }
        /// <summary>
        /// Built XML using Linq ( from List of string )
        /// </summary>
        /// <returns></returns>
        protected string linqStringList()
        {
            try
            {
                List<string> lst = new List<string>();
                for (int i = 0; i < 10; i++)
                {
                    lst.Add((i + 1).ToString());
                }               
                XElement xe = new XElement("XMLs", 
                    from str in lst
                     select (new XElement("Tag",str)
                     ));

                return xe.ToString();
            }
            catch
            { }
            return "";
        }

        /// <summary>
        /// Built XML using Linq ( from List of object[] )
        /// </summary>
        /// <returns></returns>
        protected string linqObjectArrayList()
        {
            List<object[]> lst = new List<object[]>();
            for (int i = 1; i < 11; i++)
            {
                lst.Add(new object[] { (i ).ToString() + " ", (i + 10).ToString() + " ", (i + 20).ToString() + " " });
            }

            //this work but has same tag names
            /*
            XElement xe = new XElement("XMLs",
                from str in lst
                select (new XElement("nodes",
                     from s in str  
                     select ( new XElement("Tag", s)))
                ));
             * */

            XElement xe = new XElement("XMLs",
              from str in lst
              select (new XElement(XElemStrObject(str))                 
              ));

            return xe.ToString();
        }

        /// <summary>
        /// To create string, to pass in XElement value
        /// this cause problem in create xml tag
        /// </summary>
        /// <param name="objArr"></param>
        /// <returns></returns>
        private string XElemObject(object[] objArr)
        {
            StringBuilder str = new StringBuilder();
            for (int i = 0; i < objArr.Length; i++)
            {
                str.Append(new XElement("tag"+(i + 1).ToString(), objArr[i]));
            }
            return str.ToString();
        }

        /// <summary>
        /// create XElement, and ca give our own tag names
        /// </summary>
        /// <param name="objArr"></param>
        /// <returns></returns>
        private XElement XElemStrObject(object[] objArr)
        {
            StringBuilder str = new StringBuilder();
            XElement xse = new XElement("node");
            for (int i = 0; i < objArr.Length; i++)
            {
                XElement xeTemp = new XElement("tag" + (i + 1).ToString(), objArr[i]);
                xse.Add(xeTemp);
            }
            return xse;
        }
    }