The ASP. NET MVC 5 WEB API enables the Put method

The Web. config add configuration is as follows:

<system.webserver>  <!--the following configuration in order for iis7+ to support the Put/delete method -  <Httpprotocol>    <customheaders>      <Addname= "Access-control-allow-origin"value="*" />      <Addname= "Access-control-allow-methods"value= "Get,put,post,delete,options" />      <Addname= "Access-control-allow-headers"value= "Content-type" />    </customheaders>  </Httpprotocol><!--This configuration must be added on the iis7/7.5, otherwise access error -  <Modulesrunallmanagedmodulesforallrequests= "true">    <Removename= "Webdavmodule" />  </Modules>  <Validationvalidateintegratedmodeconfiguration= "false" />  <handlers>    <Removename= "WebDAV" />    <Removename= "Extensionlessurlhandler-isapi-4.0_32bit" />    <Removename= "Extensionlessurlhandler-isapi-4.0_64bit" />    <Removename= "extensionlessurlhandler-integrated-4.0" />    <Addname= "Extensionlessurlhandler-isapi-4.0_32bit"Path="*."verb= "Get,head,post,debug,put,delete,patch,options"ResourceType= "Unspecified"requireaccess= "Script"Modules= "Isapimodule"ScriptProcessor= "%windir%\microsoft.net\framework\v4.0.30319\aspnet_isapi.dll"Precondition= "Classicmode,runtimeversionv4.0,bitness32"Responsebufferlimit= "0" />    <Addname= "Extensionlessurlhandler-isapi-4.0_64bit"Path="*."verb= "Get,head,post,debug,put,delete,patch,options"ResourceType= "Unspecified"requireaccess= "Script"Modules= "Isapimodule"ScriptProcessor= "%windir%\microsoft.net\framework64\v4.0.30319\aspnet_isapi.dll"Precondition= "Classicmode,runtimeversionv4.0,bitness64"Responsebufferlimit= "0" />    <Addname= "extensionlessurlhandler-integrated-4.0"Path="*."verb= "Get,head,post,debug,put,delete,patch,options"ResourceType= "Unspecified"requireaccess= "Script"type= "System.Web.Handlers.TransferRequestHandler"Precondition= "integratedmode,runtimeversionv4.0" />  </handlers><!--increase the Get URL length limit cap -  <Security>    <requestfiltering>    <requestlimitsMaxUrl= "409600"maxquerystring= "204800" />    </requestfiltering>  </Security></system.webserver>

The ASP. NET MVC 5 WEB API enables the Put method