Error in WCF Error “ does not implement interface member “ in Silverlight and ASP.Net Application

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ASP.NET

WCF

Silverlight

Hi,
I have the following code written…
In IServiceIncident.cs

[ServiceContract]
    public interface IServiceIncident
    {
        [OperationContract]
        List<clsApplicationsList> mFnGetApplicationsList();
        [OperationContract]
        List<clsProgramList> mFnGetProgramsList();
    }
And have corresponding classes defined correctly as…
  [DataContract]
    public class clsApplicationsList
    {
       public string _AppName = "";
        [DataMember]
        public string Prp_AppName
        {
            get
            {
                return _AppName;
            }
            set
            {
                _AppName = value;
            }
        }

In IServiceIncident.svc.cs

  public class ServiceIncident : IServiceIncident
    {
public List<clsApplicationsList> mFnGetApplicationsList()
        {
            try
            {}
  public List<clsProgramList> mFnGetProgramList()
        {
            }

Here I am getting error in svc.cs file as “Error 1 ...Web.ServiceIncident' does not implement interface member ‘...Web.IServiceIncident.mFnGetProgramsList()' ...Web\ServiceIncident.svc.cs 13 18 ...Web”

Any suggestion why this is happening…

Please guide.
Thanks
Sreenath