protected override void SendCreateToBuffer(DatabaseParameterBuffer dpb, string database)
		{
			this.Write(IscCodes.op_create);
			this.Write(0);
			dpb.Append(IscCodes.isc_dpb_utf8_filename, 0);
			this.WriteBuffer(Encoding.UTF8.GetBytes(database));
			this.WriteBuffer(dpb.ToArray());
		}
		protected override void SendAttachToBuffer(DatabaseParameterBuffer dpb, string database)
		{
			// Attach to the database
			this.Write(IscCodes.op_attach);
			this.Write(0);				    // Database	object ID
			dpb.Append(IscCodes.isc_dpb_utf8_filename, 0);
			this.WriteBuffer(Encoding.UTF8.GetBytes(database));				// Database	PATH
			this.WriteBuffer(dpb.ToArray());	// DPB Parameter buffer
		}
        public static void CreateDatabase(string connectionString, int pageSize, bool forcedWrites, bool overwrite)
        {
            FbConnectionString options = new FbConnectionString(connectionString);
            options.Validate();

            try
            {
                // DPB configuration
                DatabaseParameterBuffer dpb = new DatabaseParameterBuffer();

                // Dpb version
                dpb.Append(IscCodes.isc_dpb_version1);

                // Dummy packet	interval
                dpb.Append(IscCodes.isc_dpb_dummy_packet_interval, new byte[] { 120, 10, 0, 0 });

                // User	name
                dpb.Append(IscCodes.isc_dpb_user_name, options.UserID);

                // User	password
                dpb.Append(IscCodes.isc_dpb_password, options.Password);

                // Database	dialect
                dpb.Append(IscCodes.isc_dpb_sql_dialect, new byte[] { options.Dialect, 0, 0, 0 });

                // Character set
                if (options.Charset.Length > 0)
                {
                    Charset charset = Charset.GetCharset(options.Charset);

                    if (charset == null)
                    {
                        throw new ArgumentException("Character set is not valid.");
                    }
                    else
                    {
                        dpb.Append(IscCodes.isc_dpb_set_db_charset, charset.Name);
                    }
                }

                // Forced writes
                dpb.Append(IscCodes.isc_dpb_force_write, (short)(forcedWrites ? 1 : 0));

                // Database overwrite
                dpb.Append(IscCodes.isc_dpb_overwrite, (overwrite ? 1 : 0));

                // Page	Size
                if (pageSize > 0)
                {
                    dpb.Append(IscCodes.isc_dpb_page_size, pageSize);
                }

                // Create the new database
                FbConnectionInternal db = new FbConnectionInternal(options);
                db.CreateDatabase(dpb);
            }
            catch (IscException ex)
            {
                throw new FbException(ex.Message, ex);
            }
        }
        private DatabaseParameterBuffer BuildDpb(IDatabase db, FbConnectionString options)
        {
            DatabaseParameterBuffer dpb = new DatabaseParameterBuffer();

            dpb.Append(IscCodes.isc_dpb_version1);
            dpb.Append(IscCodes.isc_dpb_dummy_packet_interval, new byte[] { 120, 10, 0, 0 });
            dpb.Append(IscCodes.isc_dpb_sql_dialect, new byte[] { Convert.ToByte(options.Dialect), 0, 0, 0 });
            dpb.Append(IscCodes.isc_dpb_lc_ctype, options.Charset);
            if (options.DbCachePages > 0)
            {
                dpb.Append(IscCodes.isc_dpb_num_buffers, options.DbCachePages);
            }
            if (!string.IsNullOrEmpty(options.Role))
            {
                dpb.Append(IscCodes.isc_dpb_sql_role_name, options.Role);
            }
            dpb.Append(IscCodes.isc_dpb_connect_timeout, options.ConnectionTimeout);

            if (!options.FallIntoTrustedAuth)
            {
                dpb.Append(IscCodes.isc_dpb_user_name, options.UserID);
                dpb.Append(IscCodes.isc_dpb_password, options.Password);
            }
            dpb.Append(IscCodes.isc_dpb_process_id, GetProcessId());
            dpb.Append(IscCodes.isc_dpb_process_name, GetProcessName());
            if (options.NoDatabaseTriggers)
            {
                dpb.Append(IscCodes.isc_dpb_no_db_triggers, 1);
            }
            if (options.NoGarbageCollect)
            {
                dpb.Append(IscCodes.isc_dpb_no_garbage_collect, (byte)0);
            }

            return dpb;
        }
		protected virtual void SendTrustedAuthToBuffer(DatabaseParameterBuffer dpb, byte[] authData)
		{
			dpb.Append(IscCodes.isc_dpb_trusted_auth, authData);
		}
		public static void CreateDatabase(Hashtable values)
		{
			bool overwrite = false;
			int index = 0;
			byte dialect = 3;
			int serverType = 0;

			if (!values.ContainsKey("User") ||
				!values.ContainsKey("Password") ||
				!values.ContainsKey("Database"))
			{
				throw new ArgumentException("CreateDatabase requires a user name, password and database path.");
			}

			if (values.ContainsKey("ServerType"))
			{
				serverType = Convert.ToInt32(values["ServerType"], CultureInfo.InvariantCulture);
			}

			if (!values.ContainsKey("DataSource"))
			{
				values.Add("DataSource", "localhost");
			}

			if (!values.ContainsKey("Port"))
			{
				values.Add("Port", 3050);
			}

			if (values.ContainsKey("Dialect"))
			{
				dialect = Convert.ToByte(values["Dialect"], CultureInfo.InvariantCulture);
			}

			if (dialect < 1 || dialect > 3)
			{
				throw new ArgumentException("Incorrect database dialect it should be 1, 2, or 3.");
			}

			if (values.ContainsKey("Overwrite"))
			{
				overwrite = (bool)values["Overwrite"];
			}

			try
			{
				// Configure Attachment
				FbConnectionStringBuilder csb = new FbConnectionStringBuilder();

				csb.DataSource	= values["DataSource"].ToString();
				csb.UserID		= values["User"].ToString();
				csb.Password	= values["Password"].ToString();
				csb.Database	= values["Database"].ToString();
				csb.Port		= Convert.ToInt32(values["Port"], CultureInfo.InvariantCulture);
				csb.ServerType	= serverType;

				FbConnectionString options = new FbConnectionString(csb);

				// DPB configuration
				DatabaseParameterBuffer dpb = new DatabaseParameterBuffer();

				// Dpb version
				dpb.Append(IscCodes.isc_dpb_version1);

				// Dummy packet	interval
				dpb.Append(IscCodes.isc_dpb_dummy_packet_interval, new byte[] { 120, 10, 0, 0 });

				// User	name
				dpb.Append(IscCodes.isc_dpb_user_name, values["User"].ToString());

				// User	password
				dpb.Append(IscCodes.isc_dpb_password, values["Password"].ToString());

				// Database	dialect
				dpb.Append(IscCodes.isc_dpb_sql_dialect, new byte[] { dialect, 0, 0, 0 });

				// Database overwrite
				dpb.Append(IscCodes.isc_dpb_overwrite, (short)(overwrite ? 1 : 0));

				// Character set
				if (values.ContainsKey("Charset"))
				{
					index = Charset.SupportedCharsets.IndexOf(values["Charset"].ToString());

					if (index == -1)
					{
						throw new ArgumentException("Character set is not valid.");
					}
					else
					{
						dpb.Append(
							IscCodes.isc_dpb_set_db_charset,
							Charset.SupportedCharsets[index].Name);
					}
				}

				// Page	Size
				if (values.ContainsKey("PageSize"))
				{
					dpb.Append(IscCodes.isc_dpb_page_size, Convert.ToInt32(values["PageSize"], CultureInfo.InvariantCulture));
				}

				// Forced writes
				if (values.ContainsKey("ForcedWrite"))
				{
					dpb.Append(IscCodes.isc_dpb_force_write,
						(short)((bool)values["ForcedWrite"] ? 1 : 0));
				}

				if (!overwrite)
				{
					try
					{
						// Check if	the	database exists
						FbConnectionInternal check = new FbConnectionInternal(options);

						check.Connect();
						check.Disconnect();

						IscException ex = new IscException(IscCodes.isc_db_or_file_exists);

						throw new FbException(ex.Message, ex);
					}
					catch (Exception)
					{
						throw;
					}
				}

				// Create the new database
				FbConnectionInternal c = new FbConnectionInternal(options);
				c.CreateDatabase(dpb);
			}
			catch (IscException ex)
			{
				throw new FbException(ex.Message, ex);
			}
		}
		/// <include file='Doc/en_EN/FbConnection.xml' path='doc/class[@name="FbConnection"]/method[@name="CreateDatabase(System.String,System.Int32,System.Boolean,System.Boolean)"]/*'/>
		public static void CreateDatabase(
			string connectionString, int pageSize, bool forcedWrites, bool overwrite)
		{
			FbConnectionString options = new FbConnectionString(connectionString);
			options.Validate();

			try
			{
				// DPB configuration
				DatabaseParameterBuffer dpb = new DatabaseParameterBuffer();

				// Dpb version
				dpb.Append(IscCodes.isc_dpb_version1);

				// Dummy packet	interval
				dpb.Append(IscCodes.isc_dpb_dummy_packet_interval, new byte[] { 120, 10, 0, 0 });

				// User	name
				dpb.Append(IscCodes.isc_dpb_user_name, options.UserID);

				// User	password
				dpb.Append(IscCodes.isc_dpb_password, options.Password);

				// Database	dialect
				dpb.Append(IscCodes.isc_dpb_sql_dialect, new byte[] { options.Dialect, 0, 0, 0 });

				// Database overwrite
				dpb.Append(IscCodes.isc_dpb_overwrite, (short)(overwrite ? 1 : 0));

				// Character set
				if (options.Charset.Length > 0)
				{
					int index = Charset.SupportedCharsets.IndexOf(options.Charset);

					if (index == -1)
					{
						throw new ArgumentException("Character set is not valid.");
					}
					else
					{
						dpb.Append(
							IscCodes.isc_dpb_set_db_charset,
							Charset.SupportedCharsets[index].Name);
					}
				}

				// Page	Size
				if (pageSize > 0)
				{
					dpb.Append(IscCodes.isc_dpb_page_size, pageSize);
				}

				// Forced writes
				dpb.Append(IscCodes.isc_dpb_force_write, (short)(forcedWrites ? 1 : 0));

				if (!overwrite)
				{
					// Check if	the	database exists
					FbConnectionInternal c = new FbConnectionInternal(options);

					try
					{
						c.Connect();
						c.Disconnect();

						IscException ex = new IscException(IscCodes.isc_db_or_file_exists);
						throw new FbException(ex.Message, ex);
					}
					catch (FbException ex)
					{
						if (ex.ErrorCode != 335544344)
						{
							throw;
						}
					}
				}

				// Create the new database
				FbConnectionInternal db = new FbConnectionInternal(options);
				db.CreateDatabase(dpb);
			}
			catch (IscException ex)
			{
				throw new FbException(ex.Message, ex);
			}
		}