save date time parse to null c# code example

Example 1: how to convert nullable datetime datarow to datetime in c#

object sqlDateTime = sqldatareader[0];
DateTime? dt = (sqlDateTime == System.DBNull.Value)
    ? (DateTime?)null
    : Convert.ToDateTime(sqlDateTime);

Example 2: c# convert to nullable datetime

DateTime? lastPostDate =  (DateTime?)(reader.IsDbNull(3) ? null : reader[3]);