Error: There are no build providers registered for the extension ". html".

There are no build providers registered for the extension ". html". You can register one in the <compilation><buildProviders> section in Machine.config or Web. config. Make sure that the provider you are registering has a Buildproviderappliestoattribute attribute that contains the value "Web" or "all".

Stack trace:

[HttpException (0x80004005): There is no build provider registered for the extension ". html". You can register one in the <compilation><buildProviders> section in Machine.config or Web. config. Make sure that the provider you are registering has a Buildproviderappliestoattribute attribute that contains the value "Web" or "all". ] System.Web.Compilation.CompilationUtil.GetBuildProviderTypeFromExtension (compilationsection config, String Extension, Buildproviderappliesto neededfor, Boolean failifunknown) +12450941 System.Web.Compilation.BuildManager.CreateBuildProvider (virtualpath virtualpath, Buildproviderappliesto neededfor , Compilationsection Compconfig, ICollection referencedassemblies, Boolean failifunknown) +58 System.Web.Compilation.BuildManager.CompileWebFile (virtualpath virtualpath) +525 System.Web.Compilation.BuildManager.GetVPathBuildResultInternal (VirtualPath virtualpath, Boolean Nobuild, Boolean Allowcrossapp, Boolean allowbuildinprecompile, Boolean throwIfNotFound, Boolean ensureisuptodate) +571 System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert (HttpContext context, VirtualpatH virtualpath, Boolean Nobuild, Boolean Allowcrossapp, Boolean Allowbuildinprecompile, Boolean throwIfNotFound, Boolean E nsureisuptodate) +203 System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory (virtualpath virtualpath, HttpContext context, Boolean Allowcrossapp, Boolean throwifnotfound) +249 System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath (virtualpath virtualpath, Type Requiredbasetype, HttpContext context, Boolean Allowcrossapp) +56 System.Web.UI.PageHandlerFactory.GetHandlerHelper (HttpContext Context, String RequestType, VirtualPath virtualpath, string physicalpath) +42 System.Web.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute (+516) System.Web.HttpApplication.ExecuteStep (IExecutionStep step, boolean& completedsynchronously) +288

Workaround:

In the compilation node of the Web. config file, add:

<buildProviders>           <add extension= ". html" type= "System.Web.Compilation.PageBuildProvider"/>   </buildProviders>