c# - How can I write to the root element? -


when use following code can write xml file write outside root element.

streamwriter sw = file.appendtext(environment.currentdirectory + "\\settings.xml"); xmltextwriter xtw = new xmltextwriter(sw);  xtw.writestartelement("connection"); xtw.writeelementstring("id", name); xtw.writeelementstring("version", "2.3.1"); xtw.writeelementstring("server", ip_textbox.text); xtw.writeelementstring("port", port_textbox.text); xtw.writeelementstring("uid", user_textbox.text); xtw.writeelementstring("password", pass_textbox.text);  xtw.close();

after code runs xml looks this:

<?xml version='1.0' encoding='utf-8' ?> <root>  </root> <connection><id>test</id><version>2.3.1</version><server>127.0.0.1</server><port>3306</port><uid>root</uid><password>root</password>

when should like:

<?xml version='1.0' encoding='utf-8' ?> <root>   <connection>      <id>test</id>      <version>2.3.1</version>      <server>127.0.0.1</server>      <port>3306</port>      <uid>root</uid>      <password>root</password>   </connection> </root>

again question how can write inside root element?

it looks file contains xml (likely <root></root> based on sample output). since using appendtext xml appended existing file instead of replacing. result nodes you've added outside of root , xml invalid.

there no reasonable way insert nodes text file (possible, hard).

if want generate complete xml xmlwriter need re-create file , add nodes starting root.

alternatively can load existing file xml (using xmldocument or more popular xdocument), add nodes "root" element , save whole file.


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