public DateTime? GetDateTimeNullable(string columnName)
{
DateTime? output = null;
int ord = (dr_Oledb != null ? dr_Oledb.GetOrdinal(columnName) : dr.GetOrdinal(columnName));
try
{
if (dr_Oledb != null)
{
output = dr_Oledb.GetDateTime(ord);
}
else
{
output = dr.GetDateTime(ord);
}
}
catch (Exception err)
{
_lastSqlError = err;
}
return output;
}