C # developing xmldocument to return error message

xmldocument is a common response type of WebService.

Public static xmldocument createxmldocument (string function, bool B) {xmldocument xmldoc = new xmldocument (); // create an XML definition declaration // xmldeclaration dec = xmldoc. createxmldeclaration ("1.0", "gb2312", null); // xmldoc. appendchild (DEC); // create the root node xmlelement root = xmldoc. createelement ("Description"); xmldoc. appendchild (Root); xmlelement name = xmldoc. createelement ("name"); Name. innertext = ""; xmlelement value = Xmldoc. createelement ("value"); value. innertext = ""; Switch (function) {Case "select": // query operation if (B) {name. innertext = "0"; value. innertext = "query successful! ";}Else {name. innertext =" 1 "; value. innertext =" query operation failed. Please try again later! ";} Break;} root. appendchild (name); root. appendchild (value); Return xmldoc ;}

The XML style is as follows:

 
<? XML version = "1.0" encoding = "UTF-8"?> <Description> <Name> 1 </Name> <value> the query operation failed. Please try again later! </Value> </description>