c# - XML Parsing Error: not well-formed error -


i trying parse database feed data xml, on client side keep getting error:

xml parsing error: not well-formed location: http://localhost:12736/test.aspx line number 7, column 26:           <publication date>29/04/2015 09:40:53</publication date>  ------------------^

i have tried converting datetime parameter 'activatedate' string, still getting same error on 'publication date' node. have tried looking online solution still unable solve this.

here server code further reference:

        response.clear();         response.contenttype = "text/xml";         using (xmltextwriter xml = new xmltextwriter(response.outputstream, encoding.utf8))         {             xml.formatting = formatting.indented;             xml.indentation = 4;             xml.writestartdocument();             xml.writestartelement("items");              foreach (datarow ofeeditem in dt.rows)             {                 // datetime dtt = datetime.parse(ofeeditem["activedate"].tostring());                  string dat = convert.tostring(ofeeditem["activedate"].tostring());                  // dat.tostring("dd mmmm yyyy");                  xml.writestartelement("article");                 xml.writeelementstring("title", ofeeditem["title"].tostring());                 xml.writestartelement("description");                 xml.writecdata(ofeeditem["body"].tostring());                 xml.writeendelement();                 xml.writeelementstring("categories", ofeeditem["categories"].tostring());                 xml.writeelementstring("publication date", dat);                 xml.writeendelement();             }              xml.writeendelement();             xml.writeenddocument();             xml.flush();             xml.close();              response.end();          }

thank suggestion , feedback.

xml element names can't contain spaces.

w3c specification declares xml tag as:

'<' name (s attribute)* s? '>'

where s 1 or more whitespace characters (#x20 | #x9 | #xd | #xa).

so specification seen space (#x20) considered delimiter between element name , attributes list - name can't contain spaces.

changing element publication date name publication_date make xml well-formed.

xml.writeelementstring("publication_date", dat);

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