private static string _XPathConcatText(XXElement xxelement, string xpath, string separator, bool xplicit, Func <string, string> resultFunc = null, Func <string, string> itemFunc = null)
{
string value = null;
XElement xelement = xxelement.XElement;
if (xelement != null)
{
object o = xelement.XPathEvaluate(xpath);
if (XPathResultConcatText(o, out value, separator, resultFunc, itemFunc))
{
XXElement.WriteLine(2, "get value \"{0}\" from element \"{1}\" (\"{2}\")", xpath, xxelement.XPath, value);
}
else if (xplicit)
{
XXElement.WriteLine(1, "error value not found \"{0}\" from element \"{1}\"", xpath, xxelement.XPath);
}
}
else if (xplicit)
{
XXElement.WriteLine(1, "error value not found \"{0}\" from null element \"{1}\"", xpath, xxelement.XPath);
}
return(value);
}
