Expert VB 2005 Business Objects Second Edition phần 10 potx

... method BusinessBase class, 126, 128 editable root business objects, 386 implementing Project class, 419–420 implementing ProjectResource class, 438 read-only business objects, 400 AddBusinessRules ... root business objects, 387 implementing Project class, 420, 422 Cancel button ProjectEdit saving data, 510, 511 CancelEdit method BusinessBase class, 105 , 119–120 B usinessListB ase c...

Ngày tải lên: 12/08/2014, 16:21

... original exception thrown by the business code, use the BusinessException property. Remember that you can also use the BusinessObject property to get a reference to the business object as it was when ... any business assemblies. This makes debug- ging easier overall, because it helps prevent accidental changes to the CSLA .NET framework project while enabling fluid changes to both the...

Ngày tải lên: 12/08/2014, 16:21

... detail. BusinessBase The BusinessBase class is the base fr om which all editable (read-write) business objects will be created. In other words, to create a business object, inherit from BusinessBase, ... Page 86 Business Framework Implementation In Chapter 1, I discussed the concepts behind the use of business objects and distributed objects. In Chapter 2, I explored the desig...

Ngày tải lên: 12/08/2014, 16:21

... the BusinessBase class is now complete. BusinessListBase Class While BusinessBase is the primary base class for building business objects, the framework must also s upport c ollections o f business ... the four primary base classes a business developer will use to create editable and read-only business objects and collections: • Csla.BusinessBase(Of T) • Csla.BusinessListBase(Of...

Ngày tải lên: 12/08/2014, 16:21

... state of the business object itself. If the business object is a subclass of CommandBase, then the method name is DataPortal_Execute. For any other objects that don’t inherit from BusinessBase, ... in how the business object is created. Where Create() is passed the type of the business object as a parameter, Fetch() calls a CreateBusinessObject() helper method: obj = CreateBusin...

Ngày tải lên: 12/08/2014, 16:21

... SmartDate. Common Business Rules The BusinessBase class implemented in Chapter 3 includes support for validation rules. Each rule is a method with a signature that conforms to the RuleHandler delegate. A business ... mapped. Business objects often have read-only properties, and obviously it isn’t possible to set those values. Yet the IDictionary or DTO may have a value for that pro...

Ngày tải lên: 12/08/2014, 16:21

... Editable Objects F or r ead-only objects , r etrieval is the only data access concept required. Editable business objects and editable collections (those deriving from BusinessBase and BusinessListBase) ... classes from which each business object should inherit. The editable business objects inherit from BusinessBase, and the collections of editable child objects inherit fro...

Ngày tải lên: 12/08/2014, 16:21

... to create business objects that enjoy all the features and capabilities built into the CSLA .NET framework. The great thing is that almost all the code in the business objects will be business ... Project Inherits BusinessBase(Of Project) CHAPTER 8 ■ BUSINESS OBJECT IMPLEMENTATION 410 Figure 8-3. The Project class subclasses BusinessBase 6315_c08_final.qxd 4/7/06 2:00 PM Page 410...

Ngày tải lên: 12/08/2014, 16:21

... ser vices on business objects like those in this book wor ks out w ell in this model, because all your business logic is in those objects. If the service merely provides an interface to the objects, ... discuss the creation of a Web Services interface for the ProjectTracker business objects in order to illustrate how business objects can support the creation of web services....

Ngày tải lên: 12/08/2014, 16:21

... DISTRIBUTED ARCHITECTURE6 6315_c01_final.qxd 4/7/06 2:03 PM Page 6 Rockford Lhotka Expert VB 2005 Business Objects Second Edition 6315_fm_final.qxd 4/7/06 5:24 PM Page i Web Services and SOA . . . . ... leaving the business developer to focus pur ely on the dev elopment of business logic. Business Objects Having decided to use business objects and take advantage of ....

Ngày tải lên: 03/06/2014, 00:46