XmlSerializer: The string '' is not a valid AllXsd value

Question

I\'m getting this message,\"The string \'7/22/2006 12:00:00 AM\' is not a valid AllXsd value.\", when deserializing an XML, the element contains a date, this is the property

Answer 1

For those who come across this here is the simplest answer, I ran into the same issue, but didn't need nullable DateTime. The XMLElement only need a get not a set when rendering XML.

private DateTime _fechaInicioRelacion;

[XmlElement("FEC_INICIO_REL")]
public string FechaInicioRelacionString
{
    get
        {
            return _fechaInicioRelacion.ToString("yyyy-MM-ddTHH:mm:ss");
        }
    set { }
}

[XmlIgnore]
public DateTime FechaInicioRelacion
{
    get { return _fechaInicioRelacion; }
    set { _fechaInicioRelacion = value; }
}