Bee Eee Blog

c# Getting a nullable attribute to serialize to xml

by on Jul.23, 2009, under .NET, c#, c# coding GUI, coding, linq

It isn’t straight forward to get a nullable field to serialize. Technically it isn’t supported. But I just discovered a way today. You see null strings are supported. The idea is to ignore the real nullable property while substituting the string version as follows:

    public class Comment
        public DateTime? CommentTime { get; set; }

        public string CommentTimeStr
                return (CommentTime.HasValue) ? CommentTime.Value.ToString() : null;

                if (string.IsNullOrEmpty(value))
                    CommentTime = null;
                    CommentTime = DateTime.Parse(value);

Now it can be serialized.

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