public HttpResponseMessage RetrieveContractHistory(int contractId, DateTime HistoryStartDate, DateTime HistoryEndDate)
{
MPMerchantContractModel response= new MPMerchantContractModel();
MPMerchantHistoryDetailModel innerresponse;
using (MerchantProfileTier mt = new MerchantProfileTier())
{
innerresponse = mt.RetrieveContractHistory(contractId, HistoryStartDate, HistoryEndDate);
response.HistoryDetail = innerresponse;
return this.Request.CreateResponse(HttpStatusCode.OK, response);
}
}