xmltextwriter - ERROR-- Token StartDocument in state End Document would result in an invalid XML document -


i want create xml file below code ..can focus me olution.i searched on error message not find relavent.

code:-

 stringbuilder builder = new stringbuilder();         using (stringwriter stringwriter = new stringwriter(builder))         {             using (xmltextwriter writer = new xmltextwriter(stringwriter))             {                 xmlwritersettings settings = new xmlwritersettings();                 settings.indent = true;                 settings.omitxmldeclaration = false;                  writer.writestartdocument();                  writer.writestartelement("xsl:output","");                 writer.writeattributestring("method", "xml");                 writer.writeattributestring("indent", "yes");                 writer.writeendelement();                  writer.writestartelement(fihrdocument, "");                 writer.writestartelement("xsl:value-of","");                 writer.writeattributestring("select", results.link);                 writer.writeendelement();                 writer.writeendelement();                  writer.writeenddocument();                 writer.close();               }         }         return builder.tostring();     }

error:-

token startdocument in state end document result in invalid xml document

thanks


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