Gets or sets a value that indicates whether the cache-control:private header is sent as part of the HTTP response.
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The System.Web.HttpResponse class checks both the HttpRuntimeSection.SendCacheControlHeader property and the OutputCacheSection.SendCacheControlHeader property to determine whether to send the cache-control:private header in the HTTP response. If either property is set to false, the header will not be sent. When the cache-control header is set to private, then the client will not cache the response in a shared cache.
Support for the HttpRuntimeSection.SendCacheControlHeader property in the System.Web.Configuration.HttpRuntimeSection class is provided for compatibility with legacy applications; this property is obsolete in the .NET Framework version 2.0. For more information, see the System.Web.Configuration.OutputCacheSection class.