com.joybase.DB.dll原始碼(5)

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上載者:User
原始碼  /// <summary>
/// 枚舉類型,即一個資料庫連接類型的枚舉
/// </summary>
public enum DBType
{
  /// <summary>
  /// SQL方式串連
  /// </summary>
  SqlClient=0,
  /// <summary>
  /// OLEDB方式串連
  /// </summary>
  OleDB=1
}
/// <summary>
/// 本程式集的異常資訊
/// </summary>
public class JoyBaseDBException:Exception
{
  /// <summary>
  /// 構造方法
  /// </summary>
  public JoyBaseDBException():base()
  {
   this.HelpLink="http://www.joycode.com";
   this._Reason="無特定原因";
  }
  /// <summary>
  /// 構造方法
  /// </summary>
  /// <param name="message">錯誤資訊</param>
  public JoyBaseDBException(string message):base("com.joybase.DB.dll Exception Message:"+message)
  {
   //this.Message=message;
   this._Reason="無特定原因";
   this.HelpLink="http://www.joycode.com";
  }
  /// <summary>
  /// 構造方法
  /// </summary>
  /// <param name="message">錯誤資訊</param>
  /// <param name="e">內部異常</param>
  public JoyBaseDBException(string message,System.Exception e):base("com.joybase.DB.dll Exception Message:"+message,e)
  {
   //this.Message=;
   this.HelpLink="http://www.joycode.com";
   this._Reason="無特定原因";
  }
  /// <summary>
  /// 構造方法
  /// </summary>
  /// <param name="message">錯誤資訊</param>
  /// <param name="reason">錯誤原因</param>
  public JoyBaseDBException(string message,string reason):base("com.joybase.DB.dll Exception Message:"+message+".更多資訊請捕捉本異常的Reason變數")
  {
   this._Reason="可能原因如下:\r\n"+reason;
  }
  private string _Reason;
  /// <summary>
  /// 錯誤原因,唯讀
  /// </summary>
  public string Reason
  {
   get
   {
    return this._Reason;
   }
  }
  
}
// /// <summary>
// ///
// /// </summary>
// public class DBParameter:IDataParameter
// {
//  DbType m_dbType  = DbType.Object;
//  ParameterDirection m_direction = ParameterDirection.Input;
//  bool m_fNullable  = false;
//  string m_sParamName;
//  string m_sSourceColumn;
//  DataRowVersion m_sourceVersion = DataRowVersion.Current;
//  object m_value;
//
//  public DBParameter()
//  {
//  }
//
//  public DBParameter(string parameterName, DbType type)
//  {
//   m_sParamName = parameterName;
//   m_dbType   = type;
//  }
//
//  public DBParameter(string parameterName, object value)
//  {
//   m_sParamName = parameterName;
//   this.Value = value;   
//   // Setting the value also infers the type.
//  }
//
//  public DBParameter( string parameterName, DbType dbType, string sourceColumn )
//  {
//   m_sParamName  = parameterName;
//   m_dbType    = dbType;
//   m_sSourceColumn = sourceColumn;
//  }
//
//  public DbType DbType
//  {
//   get  { return m_dbType; }
//   set  { m_dbType = value;  }
//  }
//
//  public ParameterDirection Direction
//  {
//   get { return m_direction; }
//   set { m_direction = value; }
//  }
//
//  public Boolean IsNullable
//  {
//   get { return m_fNullable; }
//  }
//
//  public String ParameterName
//  {
//   get { return m_sParamName; }
//   set { m_sParamName = value; }
//  }
//
//  public String SourceColumn
//  {
//   get { return m_sSourceColumn; }
//   set { m_sSourceColumn = value; }
//  }
//
//  public DataRowVersion SourceVersion
//  {
//   get { return m_sourceVersion; }
//   set { m_sourceVersion = value; }
//  }
//
//  public object Value
//  {
//   get
//   {
//    return m_value;
//   }
//   set
//   {
//    m_value    = value;
//    m_dbType  = _inferType(value);
//   }
//  }
//
//  private DbType _inferType(Object value)
//  {
//   switch (Type.GetTypeCode(value.GetType()))
//   {
//    case TypeCode.Empty:
//     throw new SystemException("Invalid data type");
//
//    case TypeCode.Object:
//     return DbType.Object;
//
//    case TypeCode.DBNull:
//    case TypeCode.Char:
//    case TypeCode.SByte:
//    case TypeCode.UInt16:
//    case TypeCode.UInt32:
//    case TypeCode.UInt64:
//     // Throw a SystemException for unsupported data types.
//     throw new SystemException("Invalid data type");
//
//    case TypeCode.Boolean:
//     return DbType.Boolean;
//
//    case TypeCode.Byte:
//     return DbType.Byte;
//
//    case TypeCode.Int16:
//     return DbType.Int16;
//
//    case TypeCode.Int32:
//     return DbType.Int32;
//
//    case TypeCode.Int64:
//     return DbType.Int64;
//
//    case TypeCode.Single:
//     return DbType.Single;
//
//    case TypeCode.Double:
//     return DbType.Double;
//
//    case TypeCode.Decimal:
//     return DbType.Decimal;
//
//    case TypeCode.DateTime:
//     return DbType.DateTime;
//
//    case TypeCode.String:
//     return DbType.String;
//
//    default:
//     throw new SystemException("Value is of unknown data type");
//   }
//  }
// }
//
// public class DBParameters: System.Collections.ArrayList,IDataParameterCollection
// {
//  //private DBParameter x[int];
////  public object this[string index]
////  {
////   get;set;
////  }
//
//  public object this[string index]
//  {
//   get
//   {
//    
//    return this[IndexOf(index)];
//   }
//   set
//   {
//    this[IndexOf(index)] = value;
//   }
//  }
//
//
////  public DBParameter this[string x]
////  {
////   get
////   {
////   }
////   set
////   {
////   }
////  }
////  public DBParameter this[string index]
////  {
////   get
////   {
////    return (DBParameter)this[IndexOf(index)];
////    
////    
////   }
////   set
////   {
////    this[IndexOf(index)]=value;
////   }
////  }
////  public DBParameter this[int index]
////  {
////   get
////   {
////    return (DBParameter)this[index];
////   }
////   set
////   {
////    this[index]=value;
////   }
////  }
//
//  public bool Contains(string parameterName)
//  {
//   return(-1 != IndexOf(parameterName));
//   
//  }
//
//  public int IndexOf(string parameterName)
//  {
//   int index = 0;
//   foreach(System.Data.IDataParameter item in this)
//   {
//    if (0 == _cultureAwareCompare(item.ParameterName,parameterName))
//    {
//     return index;
//    }
//    index++;
//   }
//   return -1;
//  }
//
//  public void RemoveAt(string parameterName)
//  {
//   RemoveAt(IndexOf(parameterName));
//  }
//
//  public override int Add(object value)
//  {
//   return Add((DBParameter)value);
//  }
//
//  public int Add(DBParameter valueIn)
//  {
//   if (valueIn.ParameterName != null)
//   {
//    return base.Add(valueIn);
//   }
//   else
//    throw new ArgumentException("parameter must be named");
//  }
//
//  public int Add(string parameterName, System.Data.DbType type)
//  {
//   return Add(new DBParameter(parameterName, type));
//  }
//
//  public int Add(string parameterName, object value)
//  {
//   return Add(new DBParameter(parameterName, value));
//  }
//
//  public int Add(string parameterName, DbType dbType, string sourceColumn)
//  {
//   return Add(new DBParameter(parameterName, dbType, sourceColumn));
//  }
//
//  private int _cultureAwareCompare(string strA, string strB)
//  {
//   return System.Globalization.CultureInfo.CurrentCulture.CompareInfo.Compare(strA, strB, System.Globalization.CompareOptions.IgnoreKanaType | CompareOptions.IgnoreWidth | CompareOptions.IgnoreCase);
//  }
//
//  
//
//  
// }
// public abstract class datareader:system.data.idatareader
// {
//  public abstract int depth {get;}
//  public abstract bool isclosed{get;}
//  public abstract int recordsaffected{get;}
//  public abstract void close();
//  public abstract bool nextresult();
//  public abstract bool read();
//  public abstract datatable getschematable();
//  public abstract int fieldcount{get;}
//  public abstract string getname(int i);
//  public abstract string getdatatypename(int i);
//  public abstract type getfieldtype(int i);
//  public abstract object getvalue(int i);
//  public abstract int getvalues(object[] values);
//  public abstract int getordinal(string name);
//  public abstract object this [ int i ]{get;}
//  public abstract object this [ string name ]{get;}
//  public abstract bool getboolean(int i);
//  public abstract byte getbyte(int i);
//  public abstract long getbytes(int i, long fieldoffset, byte[] buffer, int bufferoffset, int length);
//  public abstract char getchar(int i);
//  public abstract long getchars(int i, long fieldoffset, char[] buffer, int bufferoffset, int length);
//  public abstract guid getguid(int i);
//  public abstract int16 getint16(int i);
//  public abstract int32 getint32(int i);
//  public abstract int64 getint64(int i);
//  public abstract float getfloat(int i);
//  public abstract double getdouble(int i);
//  public abstract string getstring(int i);
//  public abstract decimal getdecimal(int i);
//  public abstract datetime getdatetime(int i);
//  public abstract idatareader getdata(int i);
//  public abstract bool isdbnull(int i);
//  public abstract void dispose();
//  //private abstract int _cultureawarecompare(string stra, string strb);
//  
// }

}


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