Exception : Key cannot be null.Parameter name: key
App Error Log : ControllerAppTier.SaveAndGetData->BenAdminControllerAppTier.SaveAndGetData->RatesImportExportExcel.ImportRatesFromExcel->RatesImportExportExcel.ImportHealthRates->RatesImportExportExcel.ReadStandardRate->RatesImportExportExcel.ReadSubRates->RatesImportExportExcel.ReadSubRateMatrics
Employee ID : 0
Action Name : ImportRate
Model : System.Web.Mvc.HandleErrorInfo
Controller : Customization
Web Error Log : at WORKTERRA.BenAdmin.BenAdminControllerWebTier.SaveAndGetData(ObjectType I_objectType, Object objInputObject, Object I_context, Hashtable I_criteria, Boolean I_mode, Boolean I_needCollection) in c:\WT\branches\UiRefresh-LB\Web\ControllerWebTier\ControllerWebTier\BenAdminControllerWebTier.cs:line 329
at WORKTERRA.BenAdmin.Areas.Customization.Models.ImportRateModel.ImportRate() in c:\WT\branches\UiRefresh-LB\Web\Web Projects\BenAdmin\Areas\Customization\Models\Rates\ImportRateModel.cs:line 59
at WORKTERRA.BenAdmin.Areas.Customization.Controllers.CustomizationController.ImportRate(ImportRateModel objImportRateModel) in c:\WT\branches\UiRefresh-LB\Web\Web Projects\BenAdmin\Areas\Customization\Controllers\Rates\RatesController.cs:line 194
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.b__3d()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.b__3f()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.b__3f()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass33.b__32(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<>c__DisplayClass2b.b__1c()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.b__1e(IAsyncResult asyncResult)