Retrieve Contact to Dynamic Entity

// Retrieve Contact to a Dynamic Entity in CRM 4.0
private DynamicEntity retriveDynamic(CrmService _svc,string p_entNm, string p_entGuid)
    {
        

        // Create the retrieve target.
        TargetRetrieveDynamic targetRetrieve = new TargetRetrieveDynamic();

        // Set the properties of the target.
        targetRetrieve.EntityName = p_entGuid;
        targetRetrieve.EntityId = new Guid(p_entGuid);

        // Create the request object.
        RetrieveRequest retrieve = new RetrieveRequest();

        // Set the properties of the request object.
        retrieve.Target = targetRetrieve;
        retrieve.ColumnSet = new AllColumns();

        // Indicate that the BusinessEntity should be retrieved as a DynamicEntity.
        retrieve.ReturnDynamicEntities = true;

        // Execute the request.
        RetrieveResponse retrieved = (RetrieveResponse)_svc.Execute(retrieve);

        // Extract the DynamicEntity from the request.
        DynamicEntity entity = (DynamicEntity)retrieved.BusinessEntity;
        
        //// Extract the fullname from the dynamic entity
        //string fullname;

        //for (int i = 0; i < entity.Properties.Length; i++)
        //{
        //    if (entity.Properties[i].Name.ToLower() == "fullname")
        //    {
        //        StringProperty property = (StringProperty)entity.Properties[i];
        //        fullname = property.Value;
        //        break;
        //    }
        //}

        return entity;
    }