using System;

using System.Collections.Generic;

using System.Text;

using System.Linq;

using System.Xml;

using System.Xml.Linq;

using System.Xml.XPath;

public class Program

{

    public void Main()

    {

        XDocument xDoc = XDocument.Parse(GetXml());

        var dropDownDataList = GetMachineInfo(xDoc, 2);

        dropDownDataList.Dump();            

    }

    public List<Machine> GetMachineInfo(XDocument xDoc, int machineNumber)

    {

        // Get the elements under a specific machine and create

        // a list of Machine objects

        return xDoc.XPathSelectElements("./mmsdata/mill/mach")

                           .Where(x => x.Attribute("n").Value == machineNumber.ToString())

                           .Elements()

                           .Select(x => new Machine

                           {

                               sensName = x.Value,

                               snsrN = Convert.ToInt32(x.Attribute("n").Value),

                               calctype = x.Attribute("calctype").Value

                           }).ToList();

    }

    private string GetXml()

    {

        StringBuilder sb = new StringBuilder();

        sb.AppendLine("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");

        sb.AppendLine("<mmsdata>");

        sb.AppendLine("             <timestamp>Fri Jan 30 08:46:13 EST 2015</timestamp>");

        sb.AppendLine("             <mill n=\"AG\" name=\"Augusta, GA\">");

        sb.AppendLine("                 <ds>");

        sb.AppendLine("                     <server>agppra</server>");

        sb.AppendLine("                     <server>agpprb</server>");

        sb.AppendLine("                 </ds>");

        sb.AppendLine("                 <mach n=\"1\">");

        sb.AppendLine("                     <srn n=\"1\" calctype=\"2CV\">RL.CLP (1)</srn>");

        sb.AppendLine("                     <srn n=\"3\" calctype=\"2CV\">RL.CTWTIR (3)</srn>");

        sb.AppendLine("                     <srn n=\"4\" calctype=\"2CV\">RL.CTWTBETA (4)</srn>");

        sb.AppendLine("                     <srn n=\"6\" calctype=\"2CV\">RL.DNS (6)</srn>");

        sb.AppendLine("                     <srn n=\"7\" calctype=\"2CV\">RL.BSWT (7)</srn>");

        sb.AppendLine("                     <srn n=\"8\" calctype=\"2CV\">CA.BSWT (8)</srn>");

        sb.AppendLine("                     <srn n=\"9\" calctype=\"2CV\">SP.BSWT (9)</srn>");

        sb.AppendLine("                     <srn n=\"10\" calctype=\"RAW\">RL.MST (10)</srn>");

        sb.AppendLine("                     <srn n=\"11\" calctype=\"RAW\">CA.MST (11)</srn>");

        sb.AppendLine("                     <srn n=\"12\" calctype=\"RAW\">SP.MST (12)</srn>");

        sb.AppendLine("                     <srn n=\"13\" calctype=\"2CV\">RL.BNDRWT (13)</srn>");

        sb.AppendLine("                     <srn n=\"14\" calctype=\"2CV\">CA.BNDRWT (14)</srn>");

        sb.AppendLine("                     <srn n=\"15\" calctype=\"2CV\">SP.BNDRWT (15)</srn>");

        sb.AppendLine("                     <srn n=\"71\" calctype=\"2CV\">RL.ICMST (71)</srn>");

        sb.AppendLine("                     <srn n=\"72\" calctype=\"2CV\">CA.LATEX (72)</srn>");

        sb.AppendLine("                     <srn n=\"73\" calctype=\"2CV\">RL.COLOR (73)</srn>");

        sb.AppendLine("                     <srn n=\"74\" calctype=\"2CV\">RL.CLAY (74)</srn>");

        sb.AppendLine("                     <srn n=\"75\" calctype=\"2CV\">RL.LATEX (75)</srn>");

        sb.AppendLine("                     <srn n=\"76\" calctype=\"2CV\">CA.CLAY (76)</srn>");

        sb.AppendLine("                     <srn n=\"77\" calctype=\"2CV\">CA.ICMST (77)</srn>");

        sb.AppendLine("                     <srn n=\"78\" calctype=\"2CV\">CA.ICCTWT (78)</srn>");

        sb.AppendLine("                     <srn n=\"91\" calctype=\"2CV\">CTRL.HDBOXSP (91)</srn>");

        sb.AppendLine("                     <srn n=\"92\" calctype=\"2CV\">CTRL.CTWTSP (92)</srn>");

        sb.AppendLine("                     <srn n=\"93\" calctype=\"2CV\">CTRL.HDBOXFB (93)</srn>");

        sb.AppendLine("                     <srn n=\"94\" calctype=\"2CV\">CTRL.CTWTFB (94)</srn>");

        sb.AppendLine("                 </mach>");

        sb.AppendLine("                 <mach n=\"2\">");

        sb.AppendLine("                     <srn n=\"1\" calctype=\"2CV\">RL.CLP (1)</srn>");

        sb.AppendLine("                     <srn n=\"4\" calctype=\"2CV\">RL.CTWTBETA (4)</srn>");

        sb.AppendLine("                     <srn n=\"7\" calctype=\"2CV\">RL.BSWT (7)</srn>");

        sb.AppendLine("                     <srn n=\"8\" calctype=\"2CV\">CA.BSWT (8)</srn>");

        sb.AppendLine("                     <srn n=\"9\" calctype=\"2CV\">SP.BSWT (9)</srn>");

        sb.AppendLine("                     <srn n=\"10\" calctype=\"RAW\">RL.MST (10)</srn>");

        sb.AppendLine("                     <srn n=\"11\" calctype=\"RAW\">CA.MST (11)</srn>");

        sb.AppendLine("                     <srn n=\"12\" calctype=\"RAW\">SP.MST (12)</srn>");

        sb.AppendLine("                     <srn n=\"13\" calctype=\"2CV\">RL.CNDWT (13)</srn>");

        sb.AppendLine("                     <srn n=\"14\" calctype=\"2CV\">CA.CNDWT (14)</srn>");

        sb.AppendLine("                     <srn n=\"15\" calctype=\"2CV\">SP.CNDWT (15)</srn>");

        sb.AppendLine("                     <srn n=\"81\" calctype=\"RAW\">IC.MSTCS (81)</srn>");

        sb.AppendLine("                     <srn n=\"82\" calctype=\"2CV\">IC.CTWT1 (82)</srn>");

        sb.AppendLine("                     <srn n=\"84\" calctype=\"RAW\">RL.MSTCS (84)</srn>");

        sb.AppendLine("                     <srn n=\"85\" calctype=\"2CV\">RL.CTWT2 (85)</srn>");

        sb.AppendLine("                     <srn n=\"86\" calctype=\"2CV\">RL.CTWTIR (86)</srn>");

        sb.AppendLine("                     <srn n=\"91\" calctype=\"RAW\">CTRL.HDBOXSP (91)</srn>");

        sb.AppendLine("                     <srn n=\"93\" calctype=\"2CV\">CTRL.THRMOSP (93)</srn>");

        sb.AppendLine("                     <srn n=\"94\" calctype=\"2CV\">CTRL.CTWTSP (94)</srn>");

        sb.AppendLine("                 </mach>");

        sb.AppendLine("             </mill>");

        sb.AppendLine("         </mmsdata>");   

        return sb.ToString();

    }

}

​

public class Machine

{

    public int snsrN { get; set; }

    public string calctype { get; set; }

    public string sensName { get; set; }

​

}

​