PLINQO - TimeSpan serialization breaks DataContext.LastAudit.ToXml()

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REPRODUCE:
1. Create a table that has one or more time(7) columns 
2. Set Entities.AuditingEnabled = true
3. Generate classes (time(7) will be generated as TimeSpan)
4. Insert an object with the TimeSpan set and SubmitChanges()
5. Call DataContext.LastAudit.ToXml();

EXPECTED: Audit data in xml format
ACTUAL: Exception thrown - "The type System.TimeSpan was not expected. Use the 
XmlInclude or SoapInclude attribute to specify types that are not known 
statically"

VERSION: PLINQO, CodeSmith.Data 5.0.1.1966

WORK AROUND:
Add a class as follows;
public static object FormatTimeSpan(MemberInfo memberInfo, object value)
{
     var t = value as TimeSpan?;
     if (t == null || !t.HasValue)
         return value;
     return System.Xml.XmlConvert.ToString(t.Value);
}

and place the following data annotation above TimeSpan properties in an 
Entity's partial, Metadata class;

[AuditPropertyFormat(typeof(CustomAuditFormat),"FormatTimeSpan")]

Original issue reported on code.google.com by stafford...@gmail.com on 30 Jul 2012 at 1:34

[GoogleCodeExporter]

Original comment by bniemyjski on 30 Jul 2012 at 1:37

• Changed state: Accepted
• Added labels: Type-Defect, Framework-PLINQO