Barcode Types

  [Serializable]
  [Microsoft.SqlServer.Server.SqlUserDefinedTypeAttribute(Microsoft.SqlServer.Server.Format.UserDefined,
    MaxByteSize = 8000)]
  public class CriterionTemplate : IBinarySerialize, INullable 
  {
    public static readonly string TABLE_PREFIX = "TEMPLATE_";
    
    // IBinarySerialize
    public void Write(System.IO.BinaryWriter w)
    {
      w.Write(this.ToString());
    }

    // IBinarySerialize
    public void Read(System.IO.BinaryReader r)
    {
      try
      {                
        string str = r.ReadString();
        CriterionTemplate tmp = CriterionTemplate.Parse(str);
        this._CriterionList = tmp._CriterionList;
        this._Name = tmp._Name;
        this._Rule = tmp._Rule;
        this._Version = tmp._Version;
      }
      catch (System.Exception e)
      {
      }
      finally
      {

      }
    }

    // ???
    private bool ValidateTemplate()
    {
      return true;
    }

    private bool is_Null;
    public bool IsNull
    {
      get
      {
        return (is_Null);
      }
    }

    public static CriterionTemplate Null
    {
      get
      {
        CriterionTemplate template = new CriterionTemplate();
        template.is_Null = true;
        return template;
      }
    }
    
    // ???????? ???????
    [XmlElement("Name", typeof(string))]
    private string _Name = "";
    public string Name
    {
      get { return _Name; }
      set { _Name = value; }
    }
    
    private List<Criterion> _CriterionList = new List<Criterion>();
    
    [XmlElement("CriterionRange", typeof(CriterionRange))]
    [XmlElement("CriterionString", typeof(CriterionString))]
    [XmlElement("CriterionBool", typeof(CriterionBool))]
    public List<Criterion> CriterionList
    {
      get { return _CriterionList; }
    }
        
    // ???????? ????????
    public void AddCriterion(Criterion criterion)
    {
      foreach (Criterion cr in _CriterionList)
        if (cr.Name == criterion.Name)
          throw new Exception("Cannot add new criterion to list : criterion with the same name already exists!");
      this._CriterionList.Add(criterion);
    }

    // ??????? ???????? ?? ??????
    public void RemoveCriterion(Criterion criterion)
    {
      this._CriterionList.Remove(criterion);
    }

    public Criterion GetCriterion(int index)
    {
      if ((index >= 0) && (index < _CriterionList.Count))
        return _CriterionList[index];
      else return null;
    }

    [XmlElement("Version", typeof(int))]
    private int _Version = 0;
    public int Version
    {
      get { return _Version; }
      set { _Version = value; }
    }

    [XmlElement("Rule", typeof(Enum))]
    private RuleType _Rule;
    public RuleType Rule
    {
      get { return _Rule; }
      set { _Rule = value; }
    }

    public string RuleToStr
    {
      get { return _Rule.ToString(); }
    }
    
    // ?????????? ??????? ? ?????????? ????
    public override string ToString()
    {
      if (this.Name == null)