/// <summary>
/// Get System Date
/// </summary>
/// <param name="systemDate">DateTime value</param>
/// <returns>
/// 0: Search successful
/// others: Sql Exception
/// </returns>
public static DateTime GetSystemDate()
{
CommonDao commonDao = new CommonDao();
DateTime systemDate = new DateTime();
commonDao.GetSystemDate(out systemDate);
return(systemDate);
}