知识大全 LinqToXML添加XML元素及修改属性值

Posted 2022-07-17 属性

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　　public DataSettingWebService() this fileName =this Server MapPath(@ /ClientBin/ServerData/UserMessage xml ); this doc = new XmlDocument(); this doc Load(fileName); 添加元素 public bool CreateNewUser(string userName string passWorld) try if (userName == || passWorld == ) return false; XmlElement root = doc DocumentElement;

　　XmlElement newUser = doc CreateElement( User );

　　newUser SetAttribute( username userName); newUser SetAttribute( passworld passWorld); newUser SetAttribute( abilitylevel ); newUser SetAttribute( registertime DateTime Now ToString());

　　for (int i = ; i <= ; i++) XmlElement newLevel = doc CreateElement( Level ); newLevel SetAttribute( id i ToString()); newLevel SetAttribute( score ); newLevel SetAttribute( usetime ); newLevel SetAttribute( clicknum ); newLevel SetAttribute( playtime ); newUser AppendChild(newLevel);

　　root AppendChild(newUser); doc Save(fileName); return true ; catch return false ; 修改更新属性值 public bool UpdateUserGrade(string userName int score string useTime string clickNum int levelId) bool IsAbilityLevelChange = false;

　　XmlNodeList nodelist = doc GetElementsByTagName( User );

　　foreach (XmlNode xdu in nodelist) if (xdu Attributes[ username ] Value == userName)

　　XmlElement xeu = xdu as XmlElement; if (levelId > Convert ToInt (xeu Attributes[ abilitylevel ] Value)) xeu SetAttribute( abilitylevel levelId ToString()); IsAbilityLevelChange = true; nodelist = xeu GetElementsByTagName( Level ); foreach (XmlNode xdl in nodelist) if (xdl Attributes[ id ] Value == levelId ToString()) if (score > Convert ToInt (xdl Attributes[ score ] Value)) XmlElement xel = xdl as XmlElement; xel SetAttribute( score score ToString()); xel SetAttribute( usetime useTime); xel SetAttribute( clicknum clickNum); xel SetAttribute( playtime DateTime Now ToString());

　　break;

cha138/Article/program/net/201311/12271