Silverlight Report Viewer using View Model (MVVM)

using System;
using SimpleConfigurator.Peoplews;
using Microsoft.VisualBasic;
using System.ServiceModel;

namespace SimpleConfigurator
{
    public class Model
    {
        #region SearchPeople
        public static void SearchPeople(string Gender, int AgeHigh, int AgeLow, int WeightHigh, int WeightLow, EventHandler<SearchPeopleCompletedEventArgs> eh)
        {
            // Set up web service call
            WebServiceSoapClient WS = new WebServiceSoapClient();

            // Set the EndpointAddress
            WS.Endpoint.Address = new EndpointAddress(GetBaseAddress());

            WS.SearchPeopleCompleted += eh;
            WS.SearchPeopleAsync(Gender, AgeHigh, AgeLow, WeightHigh, WeightLow);
        }
        #endregion

        // Utility

        #region GetBaseAddress
        private static Uri GetBaseAddress()
        {
            // Get the web address of the .xap that launched this application     
            string strBaseWebAddress = App.Current.Host.Source.AbsoluteUri;
            // Find the position of the ClientBin directory        
            int PositionOfClientBin =
                App.Current.Host.Source.AbsoluteUri.ToLower().IndexOf(@"/clientbin");
            // Strip off everything after the ClientBin directory         
            strBaseWebAddress = Strings.Left(strBaseWebAddress, PositionOfClientBin);
            // Create a URI
            Uri UriWebService = new Uri(String.Format(@"{0}/WebService.asmx", strBaseWebAddress));
            // Return the base address          
            return UriWebService;
        }
        #endregion
    }
}