//public string _RootTag { get { return Regex.Replace(_doc.InnerXml, "^<([^< >]+) .+$", "$1"); } }
// ----------------------------------------------------------------------------------------
/// <!-- NullableDateTimeValue -->
/// <summary>
///
/// </summary>
/// <param name="xPath"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public DateTime?NullableDateTimeValue(string xPath, DateTime?defaultValue)
{
string str = StrValue(xPath, "");
DateTime?time = TreatAs.DateValue(str, defaultValue);
return(time);
}
// ----------------------------------------------------------------------------------------
/// <!-- OldestFileDateByName -->
/// <summary>
/// Identifies the most recent date based on the names of the files in the list
/// </summary>
/// <param name="fileList">file names have YYYYMMDDHHMMDD in them somewhere</param>
/// <returns></returns>
public static DateTime OldestFileDateByName(FileInfo[] fileList)
{
DateTime oldest = DateTime.UtcNow;
foreach (FileInfo fi in fileList)
{
string fileName = fi.Name;
string strDate = Regex.Replace(fileName, "[^0-9]", "");
strDate = Regex.Replace(strDate, "^(....)(..)(..)(..)(..)(.*)$", "$1/$2/$3 $4:$5:$6");
DateTime?fileNameTime = TreatAs.DateValue(strDate, null);
if (fileNameTime != null)
{
if (fileNameTime < oldest)
{
oldest = (DateTime)fileNameTime;
}
}
}
return(oldest);
}
// ------------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
/// <!-- NewestFileDateByName -->
/// <summary>
/// Identifies the most recent date based on the names of the files in the list
/// </summary>
/// <param name="fileList">file names have YYYYMMDDHHMMDD in them somewhere</param>
/// <returns></returns>
public static DateTime NewestFileDateByName(FileInfo[] fileList)
{
DateTime newest = TimeDate_old.MinSqlValue.CLRFormat;
foreach (FileInfo fi in fileList)
{
string fileName = fi.Name;
string strDate = Regex.Replace(fileName, "[^0-9]", "");
strDate = Regex.Replace(strDate, "^(....)(..)(..)(..)(..)(.*)$", "$1/$2/$3 $4:$5:$6");
DateTime?fileNameTime = TreatAs.DateValue(strDate, null);
if (fileNameTime != null)
{
if (fileNameTime > newest)
{
newest = (DateTime)fileNameTime;
}
}
}
return(newest);
}
