The base class includes the field 'newsControl1', but its type (NewsControl) is not compatible with the type of control (ASP.News_ascx).
more details:
System.Web
at System.Web.Compilation.BaseTemplateCodeDomTreeGenerator.BuildFieldDeclaration(ControlBuilder builder, Boolean fGeneratedID)
at System.Web.Compilation.BaseTemplateCodeDomTreeGenerator.BuildSourceDataTreeFromBuilder(ControlBuilder builder, Boolean fInTemplate, Boolean topLevelControlInTemplate, PropertyEntry pse)
at System.Web.Compilation.BaseTemplateCodeDomTreeGenerator.BuildSourceDataTreeFromBuilder(ControlBuilder builder, Boolean fInTemplate, Boolean topLevelControlInTemplate, PropertyEntry pse)
at System.Web.Compilation.BaseTemplateCodeDomTreeGenerator.BuildSourceDataTreeFromBuilder(ControlBuilder builder, Boolean fInTemplate, Boolean topLevelControlInTemplate, PropertyEntry pse)
at System.Web.Compilation.TemplateControlCodeDomTreeGenerator.BuildMiscClassMembers()
at System.Web.Compilation.PageCodeDomTreeGenerator.BuildMiscClassMembers()
at System.Web.Compilation.BaseCodeDomTreeGenerator.BuildSourceDataTree()
at System.Web.Compilation.BaseCodeDomTreeGenerator.GetCodeDomTree(CodeDomProvider codeDomProvider, StringResourceBuilder stringResourceBuilder, String virtualPath)
at System.Web.Compilation.BaseTemplateBuildProvider.GenerateCode(AssemblyBuilder assemblyBuilder)
at System.Web.Compilation.AssemblyBuilder.AddBuildProvider(BuildProvider buildProvider)