Webservice

using System;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Web;
using System.IO;
using System.Web.Services;
using System.Web.Services.Protocols;
using CAQHBAMWriter;
using Microsoft.Win32;
using System.Resources;
using System.Diagnostics;


namespace BAMWriterService
{
    /// <summary>
    /// Summary description for Service1
    /// </summary>
    [WebService(Namespace = "http://BAMWriterService/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
    // [System.Web.Script.Services.ScriptService]
   
    public class Service1 : System.Web.Services.WebService
    {
        [WebMethod]
        [SoapDocumentMethod(OneWay = true)]
        public void WriteToBam(BAMDataObject dobj)
        {
            BAMWriter bamWriter = new BAMWriter();
            bamWriter.writeToBamDatabase(dobj.getArraylist(), dobj.getActivityName());

        }
    }

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

namespace BAMWriterService
{
    [Serializable]
        public class BAMDataObject
        {

        protected  List <Dictionary <string,string>> list;
            protected String activityname;

            public void setArraylist(List<Dictionary<string, string>> list)
            {
                this.list = list;
            }
            public void setActivityName(string activityname)
            {
                this.activityname = activityname;
            }

            public List<Dictionary<string, string>> getArraylist()
            {
                return this.list;
            }
            public String getActivityName()
            {
                return this.activityname;
            }
        }
    }
}

try
{
    BAMWriterService.BAMDataObject dObj = new BAMWriterService.BAMDataObject();
    dObj.setArraylist(dataList);
    dObj.setActivityName(activityNme);
    BAMWriterService service = new BAMWriterService();
    service.WriteToBam(dObj);
}