XML 转为字符串的通过用方式

通用的xml 转为字符串 
public static string GetXMLAsString(string xmlPath)
{
XmlDocument doc = new XmlDocument();
doc.Load(xmlPath);
// doc.Load("C:\\Users\\Administrator\\Desktop\\ConsoleApp\\1.xml");
StringWriter sw = new StringWriter();
XmlTextWriter tx = new XmlTextWriter(sw);
doc.WriteTo(tx);

string str = sw.ToString();//
return str;
}