Error en Consulta Dinámica de Colaboradores Activos

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The type String cannot be constructed. You must configure the container to supply this value.

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System.InvalidOperationExceptionThe type String cannot be constructed. You must configure the container to supply this value.

Microsoft.Practices.Unity.ResolutionFailedException: Resolution of the dependency failed, type = "Aseinfo.VH4.OData.EmpleadosLivePivotCollection", name = "(none)". Exception occurred while: while resolving. Exception is: InvalidOperationException - The type String cannot be constructed. You must configure the container to supply this value.

At the time of the exception, the container was:

Resolving Aseinfo.VH4.OData.EmpleadosLivePivotCollection,(none) Resolving parameter "connectionString" of constructor Aseinfo.VH4.OData.EmpleadosLivePivotCollection(System.String connectionString, System.String viewImageUrl) Resolving System.String,(none) ---> System.InvalidOperationException: The type String cannot be constructed. You must configure the container to supply this value. at Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.GuardTypeIsNonPrimitive(IBuilderContext context, SelectedConstructor selectedConstructor) at Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.PreBuildUp(IBuilderContext context) at Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) at Microsoft.Practices.ObjectBuilder2.DynamicMethodBuildPlanCreatorPolicy.CreatePlan(IBuilderContext context, NamedTypeBuildKey buildKey) at Microsoft.Practices.ObjectBuilder2.BuildPlanStrategy.PreBuildUp(IBuilderContext context) at Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) at Microsoft.Practices.ObjectBuilder2.BuilderContext.NewBuildUp(NamedTypeBuildKey newBuildKey) at BuildUp_Aseinfo.VH4.OData.EmpleadosLivePivotCollection(IBuilderContext ) at Microsoft.Practices.ObjectBuilder2.BuildPlanStrategy.PreBuildUp(IBuilderContext context) at Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) at Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name, IEnumerable1 resolverOverrides) --- End of inner exception stack trace --- at Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name, IEnumerable1 resolverOverrides) at Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, String name, IEnumerable`1 resolverOverrides) at Aseinfo.Infrastructure.Services.LivePivot.Internal.FactoryClassFinder.Find(String folderPath) in c:BuildAgentwork89066541112bb801InfrastructureServicesLivePivotInternalFactoryClassFinder.cs:line 40 at Aseinfo.Infrastructure.Services.LivePivot.Internal.CollectionFactories.AddFromFolder(String folderPath) in c:BuildAgentwork89066541112bb801InfrastructureServicesLivePivotInternalCollectionFactories.cs:line 44 at Aseinfo.Infrastructure.Services.LivePivot.LivePivotHttpHandlersImplementation.ServeCxml(HttpContext context) in c:BuildAgentwork89066541112bb801InfrastructureServicesLivePivotLivePivotHttpHandlersImplementation.cs:line 118 at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)