Код: Выделить всё
System.NullReferenceException
Object reference not set to an instance of an object.
at Reports.Report.VaccinesByRegionDataSource.get_SentVaccines()
at Reports.Report.GroupHeader0__Rendering(Object sender, EventArgs e)
at Stimulsoft.Report.Components.StiGroupHeaderBand.InvokeRendering(Int32 position)
at Stimulsoft.Report.Components.StiDataBand.InvokeGroupRendering()
at Stimulsoft.Report.Components.StiDataBand.RenderItem(Boolean& breaked, StiContainer outContainer)
at Stimulsoft.Report.Components.StiDataBand.RenderComponent(StiComponent& renderedComponent, StiContainer outContainer, Boolean value)
at Stimulsoft.Report.Components.StiDataBand.RenderComponent(StiComponent& renderedComponent, StiContainer outContainer)
at Stimulsoft.Report.Components.StiDataBand.Render(StiComponent& renderedComponent, StiContainer outContainer)
at Stimulsoft.Report.Components.StiComponent.Render(StiContainer outContainer)
at Stimulsoft.Report.Components.StiContainer.CoreRenderCont(StiComponent& renderedComponent, StiContainer outContainer)
at Stimulsoft.Report.Components.StiContainer.RenderContainer(StiComponent& renderedComponent, StiContainer outContainer)
at Stimulsoft.Report.Components.StiPage.RenderComponent(StiComponent& renderedComponent, StiContainer outContainer)
at Stimulsoft.Report.Components.StiComponent.Render(StiComponent& renderedComponent, StiContainer outContainer)
at Stimulsoft.Report.Components.StiComponent.Render(StiContainer outContainer)
at Stimulsoft.Report.Render.StiRender.GetNextPage()
at Stimulsoft.Report.Render.StiRenderProvider.RenderReport(StiReport report, StiReport masterReport, StiRenderState state)
at Stimulsoft.Report.Render.StiRenderProvider.Render(StiReport report, StiRenderState state)
at Stimulsoft.Report.StiReport.Render(StiRenderState renderState)
at Stimulsoft.Report.StiReport.Render()
Подскажите что мы не так делаем