/// <summary>
/// Convert from GMT To Date time. '20140421T 071939.000 GMT'
/// </summary>
/// <returns></returns>
public static DateTime ToDateTimeFromGMTFormat(object obj, DateTime defaultValue)
{
DateTime returnValue = defaultValue;
string str = Converrt.ToString(obj);
int yyyy = 0;
int MM = 0;
int dd = 0;
int HH = 0;
int min = 0;
int ss = 0;
if (str.Length > 4)
{
yyyy = Converrt.ToInt(str.Substring(0, 4));
}
if (str.Length > 6)
{
MM = Converrt.ToInt(str.Substring(4, 2));
}
if (str.Length > 8)
{
dd = Converrt.ToInt(str.Substring(6, 2));
}
if (str.Length > 10)
{
HH = Converrt.ToInt(str.Substring(9, 2));
}
if (str.Length > 11)
{
min = Converrt.ToInt(str.Substring(11, 2));
}
if (str.Length > 13)
{
ss = Converrt.ToInt(str.Substring(13, 2));
}
if (yyyy > 0 && MM > 0 && dd > 0)
{
returnValue = new DateTime(yyyy, MM, dd, HH, min, ss);
}
return(returnValue);
}
/// <summary>
/// Get the data time variable value from string format.
/// </summary>
/// <param name="yyyyMMddHHmm"></param>
/// <returns></returns>
public static DateTime GetDateTimeFromString(string yyyyMMddHHmm, DateTime DefaultValue)
{
DateTime dt = DateTime.MinValue;
int yy = 0, mm = 0, dd = 0, hh = 0, min = 0;
if (yyyyMMddHHmm.Length >= 4)
{
yy = Converrt.ToInt(yyyyMMddHHmm.Substring(0, 4));
}
if (yyyyMMddHHmm.Length >= 6)
{
mm = Converrt.ToInt(yyyyMMddHHmm.Substring(4, 2));
}
if (yyyyMMddHHmm.Length >= 8)
{
dd = Converrt.ToInt(yyyyMMddHHmm.Substring(6, 2));
}
if (yyyyMMddHHmm.Length >= 10)
{
hh = Converrt.ToInt(yyyyMMddHHmm.Substring(8, 2));
}
if (yyyyMMddHHmm.Length >= 12)
{
min = Converrt.ToInt(yyyyMMddHHmm.Substring(10, 2));
}
if (yy == 0 || mm == 0 || dd == 00)
{
dt = DefaultValue;
}
else
{
dt = new DateTime(yy, mm, dd, hh, min, 0);
}
return(dt);
}
