I'm trying to load and parse an xml file with XmlReader and have it
completely IGNORE the DTD in the xml file. If I set "Validation Type =
ValidationType. None" it STILL downloads the DTD even though it doesn't
validate against it. I get an XmlException when I set "ProhibitDt d =
true" because then no DTD is allowed in the doc. If I manually remove
the DTD reference from the file then it works fine and does not download
the DTD (obviously). How do I leave the DTD in the file but have
XmlReader IGNORE it completely, including not downloading it? It
doesn't seem to be working the way it is supposed to. This is .Net 2.0.
Why would it download it if it's not going to validate against it?
T
3  4864 
Thomas S wrote: I'm trying to load and parse an xml file with XmlReader and have it
completely IGNORE the DTD in the xml file. If I set "Validation Type =
ValidationType. None" it STILL downloads the DTD even though it doesn't
validate against it. I get an XmlException when I set "ProhibitDt d =
true" because then no DTD is allowed in the doc. If I manually remove
the DTD reference from the file then it works fine and does not download
the DTD (obviously). How do I leave the DTD in the file but have
XmlReader IGNORE it completely, including not downloading it? It
doesn't seem to be working the way it is supposed to. This is .Net 2.0.
Why would it download it if it's not going to validate against it?
Well there could still be entity declarations in the DTD and the
entities could be referenced later in the XML document. For instance the
XHTML 1.0 DTDs defined entities like nbsp which are then referenced in a
XHTML document.
Anyway, if you think you don't need to load any external resources then
set XmlResolver to null on the settings of the reader e.g.
XmlReaderSettin gs settings = new XmlReaderSettin gs();
settings.XmlRes olver = null;
settings.Valida tionType = ValidationType. None;
settings.Prohib itDtd = false;
using (XmlReader xmlReader = XmlReader.Creat e(@"file.xml", settings)) {
while (xmlReader.Read ()) {
--
Martin Honnen --- MVP XML http://JavaScript.FAQTs.com/
Thanks that works great. Is there some way to have it download the DTD
once per app run, but then cache it for subsequent validations within
the same session? As it is it's downloading the same DTD every time I
open a doc with the same DTD url. I would imagine that this would
require subclassing the resolver and adding custom caching code.
T
Martin Honnen wrote:
Thomas S wrote: I'm trying to load and parse an xml file with XmlReader and have it
completely IGNORE the DTD in the xml file. If I set "Validation Type =
ValidationType. None" it STILL downloads the DTD even though it doesn't
validate against it. I get an XmlException when I set "ProhibitDt d =
true" because then no DTD is allowed in the doc. If I manually remove
the DTD reference from the file then it works fine and does not download
the DTD (obviously). How do I leave the DTD in the file but have
XmlReader IGNORE it completely, including not downloading it? It
doesn't seem to be working the way it is supposed to. This is .Net 2.0.
Why would it download it if it's not going to validate against it?
Well there could still be entity declarations in the DTD and the
entities could be referenced later in the XML document. For instance the
XHTML 1.0 DTDs defined entities like nbsp which are then referenced in a
XHTML document.
Anyway, if you think you don't need to load any external resources then
set XmlResolver to null on the settings of the reader e.g.
XmlReaderSettin gs settings = new XmlReaderSettin gs();
settings.XmlRes olver = null;
settings.Valida tionType = ValidationType. None;
settings.Prohib itDtd = false;
using (XmlReader xmlReader = XmlReader.Creat e(@"file.xml", settings)) {
while (xmlReader.Read ()) {
Thomas S wrote: Is there some way to have it download the DTD
once per app run, but then cache it for subsequent validations within
the same session? As it is it's downloading the same DTD every time I
open a doc with the same DTD url. I would imagine that this would
require subclassing the resolver and adding custom caching code.
Yes, you can write your own resolver and assign that, it could use a
local copy you install with your application or it could download the
DTD on the first request and then store it locally.
--
Martin Honnen --- MVP XML http://JavaScript.FAQTs.com/ This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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