TierDeveloper是一款對(duì)象-關(guān)系映射工具和代碼生成工具，它可以快速開發(fā)出實(shí)際應(yīng)用中復(fù)雜的.Net數(shù)據(jù)庫應(yīng)用程序。任何需要關(guān)系數(shù)據(jù)庫支持的.Net應(yīng)用程序都可以從TierDeveloper中獲益非淺。


TierDeveloper版本的特征：

• 新穎的TierDeveloper圖形用戶界面（GUI）
• 全面重新設(shè)計(jì)的TierDeveloper圖形用戶界面（保持與VS.net的一致性）
• TierDeveloper的單機(jī)版本和VS.net集成版本具有相同的圖形用戶界面

Asp.net和Windows Forms

• Asp.net應(yīng)用程序可以全面重新設(shè)計(jì)便于使用的圖形用戶界面
• 為Windows窗體應(yīng)用程序提供良好的圖形用戶界面布局
• 在Asp.net和Windows窗體應(yīng)用程序中，用戶可以定制GUI布局
• 從VS.net和/或.XML文件中自定義GUI布局
• 可以使用具有在窗體上進(jìn)行數(shù)據(jù)查詢特征的下拉控件
• 可以重新布局窗體上的控件，改變它們的大小，更換標(biāo)簽以及修改其他屬性
• 在窗體和列表中支持一對(duì)一，一對(duì)多，多對(duì)多的關(guān)系
• 提供.net遠(yuǎn)程Web服務(wù)
• 通過Web服務(wù)器生成遠(yuǎn)程對(duì)象
• 可以生成.net遠(yuǎn)程客戶端，并且作為Windows窗體應(yīng)用程序

　數(shù)據(jù)庫服務(wù)器（Database Servers）

• SQL Server 7.0/2000
• Oracle 10g
• DB2 8.1
• MS Access2000 以及后續(xù)版本

數(shù)據(jù)庫和事務(wù)處理

• 更快捷的數(shù)據(jù)庫連接，支持多種模式
• 運(yùn)行時(shí)可傳遞連接字符串
• 運(yùn)行時(shí)可傳遞OleDbConnection（對(duì)象鏈接和嵌入式數(shù)據(jù)庫連接對(duì)象），SqlConnection（Sql
  Server數(shù)據(jù)庫連接對(duì)象）以及OracleConnection(Oracle數(shù)據(jù)庫連接對(duì)象)
• 從屬性文件中讀取連接字符串
• 能為父－子關(guān)系提供完善的非COM+控件的事務(wù)處理
• 非COM+控件的事務(wù)處理同樣可以作為客戶端請(qǐng)求的一部分
• 每一個(gè)對(duì)象的事務(wù)是相互獨(dú)立的
• 改變Oracle/DB2圖表模式，不需重新映射（到另外一個(gè)同樣的模式）
• 對(duì)生成的Oracle存儲(chǔ)過程可以使用語法包來實(shí)現(xiàn)該功能

關(guān)系

• 可用一對(duì)一，一對(duì)多，多對(duì)多關(guān)系進(jìn)行重新架構(gòu)
• 另外可通過thru a bridge table（關(guān)系表）來支持多對(duì)多的關(guān)系
• 能為父－子關(guān)系提供一對(duì)一，一對(duì)多，多對(duì)多的關(guān)系模型
• 在一個(gè)關(guān)系中，可以載入相互關(guān)聯(lián)的對(duì)象
• 對(duì)所有關(guān)系可以進(jìn)行層疊式更新和刪除

對(duì)象

• 能自定義無標(biāo)記對(duì)象并生成圖表樣式
• 提供對(duì)視圖的更新處理
• 支持無效值操作（IsNull和SetNull）
• 可校驗(yàn)必填字段和可選字段
• 只保存數(shù)據(jù)發(fā)生了變化的對(duì)象
• 提供可擴(kuò)展的字段驗(yàn)證框架，添加自定義驗(yàn)證邏輯
• 提供自動(dòng)生成鍵（Identity keys and sequenced values）
• 在對(duì)象中支持公式字段（表達(dá)式字段）
• 支持所有對(duì)象的序列化

Typed DataSets

• 為所有對(duì)象提供數(shù)據(jù)集輸入
• 為所有的對(duì)象自定義關(guān)系數(shù)組并生成.xsd文件格式

個(gè)性化的代碼生成

• 完善的架構(gòu)重建和基于模板的代碼生成引擎
• 擁有基于JavaScript語言的代碼模板，并且可以對(duì)模板進(jìn)行自定義
• 可以自定義類名，函數(shù)名以及屬性名（變量名）

oper is an object-to-relational mapping and code generation tool. It allows you to quickly develop real-life complex .NET database applications. Any .NET application that requires a relational database will benefit greatly from TierDeveloper


ASP.NET and Windows Forms

• Completely redesigned and easier-to-use GUI for generated ASP.NET app.
• Support for Windows Forms application generation with a nice GUI layout.
• Customize GUI layout for ASP.NET and Windows Forms apps.
• GUI layout customization from within VS.NET and/or XML file.
• Use drop-down controls with lookup values on forms.
• Re-arrange fields on the form, change their sizes, change labels, and more.
• Customize layout of list pages. Re-arrange column order, width, and titles.
• 1-1, 1-n, and m-n relationships supported in forms and lists.
• .NET Remoting & Web Services
• Generated objects remotable now through web services.
• Generate .NET Remoting client as Windows Forms app.

Database Servers

• SQL Server 7.0/2000
• Oracle 10g
• DB2 8.1
• MS Access 2000 or later

Database & Transactions

• Faster database connections. Support for large schemas provided.
• Pass connection strings at run-time.
• Pass OleDbConnection, SqlConnection, & OracleConnection objects at run-time.
• Read connection strings from a properties file.
• Full transaction support for non-COM+ components in a parent-child relationship.
• non-COM+ components can also be part of client initiated transactions.
• Transaction isolation levels for each object.
• Change Oracle/ DB2 schema without re-mapping (to another identical schema).
• Use package syntax for generated Oracle stored procedures.

Relationships　

• Re-architected support for 1-1, 1-n, and m-n relationships.
• Added support for m-n relationships (thru a bridge table).
• Parent-child relationships support for 1-1, 1-n, and m-n.
• Lazy loading of related objects in a relationships
• Cascaded updates and deletes for all relationships provided.

Objects　

• Define unmapped objects and create tables for them automatically.
• Support for treating views as updatable.
• Support for NULL values (IsNull and SetNull).
• Required and optional field checking.
• Save an object only if it is "dirty" (meaning data is changed in it).
• Extendible field validation framework. Add your own custom field validation logic.
• Support for auto-generated keys (Identity keys and sequenced values).
• Support for formula (computed) fields in objects.
• Serialization support for all objects.

Typed DataSets　

• Support for Typed DataSets for all objects.
• Generate .xsd files for all objects and define relationships in them as well.

Customizable Code Generation

• Complete re-architected template-based code generation engine.
• Code templates based on Javascript language and are customizable.
• Customize names for classes, methods, and properties.