Extending the Autoserializer

public class AutoSerializerEx : ReflectionBasedAutoSerializer
{
   public override object WriteTransform(FieldInfo fi, Type type, object originalValue)
   {
      if (fi.FieldType.Equals(Type.GetType("System.Guid")))
      {
        return originalValue.ToString();
      }
      else if (fi.FieldType.Equals(Type.GetType("System.Decimal")))
      {
        return originalValue.ToString();
      }
      else
        return base.WriteTransform(fi, type, originalValue);
    }
    public override object ReadTransform(FieldInfo fi, Type type, object serializeValue)
   {
      if (fi.FieldType.Equals(Type.GetType("System.Guid")))
      {
        Guid g = new Guid((string)serializeValue);
        return g;
      }
      else if (fi.FieldType.Equals(Type.GetType("System.Decimal")))
      {
        return Convert.ToDecimal((string)serializeValue);
      }
      else
        return base.ReadTransform(fi, type, serializeValue);
    }

   public override FieldType GetFieldType(FieldInfo fi, Type type)  
   {
      if (fi.FieldType.Equals(Type.GetType("System.Guid")) || 
fi.FieldType.Equals(Type.GetType("System.Decimal")))
        return FieldType.STRING;
      return base.GetFieldType(fi, type);
   }

   public override bool IsIdentityField(FieldInfo fi, Type type)
   {
      if (fi.Name == "_identityField")
        return true;
      return base.IsIdentityField(fi, type);
   }
   public override string GetFieldName(FieldInfo fi, Type type)
   {
      if (fi.Name == "_nameChange")
        return fi.Name + "NewName";
 
      return fi.Name ;
    }
 
   public override bool IsFieldIncluded(FieldInfo fi, Type type)
   {
      if (fi.Name == "_notInclude")
        return false;
      return base.IsFieldIncluded(fi, type);
    }
}