Apress Expert C sharp 2005 (Phần 5) pdf
Apress Expert C sharp 2005 (Phần 5) pdf
... the class
within which the criteria class is nested.
Csla.Server.CallMethodException
The MethodCaller class throws a custom Csla.Server.CallMethodException in the case that an
exception occurs ... ex)
{
_innerStackTrace = ex.StackTrace;
}
Then in the StackTrace property of CallMethodException, the stack trace for the CallMethod➥
Exception itself is combined with the stack trace from the origi...
Apress Expert C sharp 2005 (Phần 3) pdf
...
Csla.Core.IUndoableObject.
Cascading the Call to Child Objects or Collections
If the field is a reference to a Csla.Core.IUndoableObject, the CopyState() call must be cascaded to
that object, ... object in the same manner as
CopyState().
When the code encounters a child business object that implements
Csla.Core.IEditable➥
Object, it cascades the UndoChanges() call to that child object ......
Apress Expert C sharp 2005 (Phần 8) pdf
... 371
Child Object Creation
Child objects are usually created when the UI code calls an Add() method on the collection object
that contains the child object. Ideally, the child class and the collection ... for each record.
a. The child collection creates a child object by calling a factory method on the child class,
passing the data reader as a parameter.
b. The child object’s factory method ca...
Apress Expert C sharp 2005 (Phần 14) pdf
... client-side cache, 452
ClientContext collection
DataPortalContext class, 167
ClientContext property
ApplicationContext class, 230
ClientCulture
DataPortalContext class, 167
ClientUICulture
DataPortalContext ... 455–456
ExistsCommand class, 456–457
main areas of each class, 405
Project class, 408–429
ProjectList class, 446
ProjectResource class
, 434–439
ProjectResources class, 429–434
Project...
Apress Expert C sharp 2005 (Phần 1) ppsx
... impact on whether users can be authenticated or authorized, but physical tiers can
be used to increase or decrease physical access to the machines on which the application executes.
For instance, ... data
access code into a specific layer, the impact of these changes is limited to a smaller part of the
application.
Data access mechanisms are typically implemented as a set of services, with ea...
Apress Expert C sharp 2005 (Phần 2) doc
... to accept the
changes to the item, or Esc to undo them. However, even if the user chooses to accept changes to
some
LineItem objects, they can still choose to cancel the changes on the Invoice ... object that owns the Component.
The user might accept changes to a
Component, but cancel the changes to its parent LineItem
object, thereby forcing an undo operation to reverse accepted changes .....
Apress Expert C sharp 2005 (Phần 4) potx
... the collection contains a specific deleted object.
BindingList<T> already includes a Contains() method so that the UI code can ask the collec-
tion if it contains a specific item. Since ... collection is where things start to get more complicated. Undoing
all the child objects isn’t too hard, since the collection can cascade the request to each child object.
A
t the collection ... both...
Apress Expert C sharp 2005 (Phần 7) docx
... instance, a SelectObject event handler may look like this:
protected void CustomerDataSource_SelectObject(
object sender, Csla.Web.SelectObjectArgs e)
{
e.BusinessObject = Customer.NewCustomer();
}
Notice ... go-between,
CslaDataSourceDesigner maintains references to the CslaDataSource
control itself, and to the CslaDesignerDataSourceView object:
public class CslaDataSourceDesigner : DataSou...
Apress Expert C sharp 2005 (Phần 9) ppsx
... UI consisting of
a
DataGridView control that displays a collection of Contact objects. If the root object is a collection
of child
Contact objects, the UI developer can simply bind the collection ... exceptions:
• Dual criteria objects
• Dual create and fetch factory methods
• Dual create and fetch data access methods
Let’s discuss each change in turn.
Dual Criteria Classes
The object’s cri...
Apress Expert C sharp 2005 (Phần 10) ppt
... DataPortal_Execute()
{
using (SqlConnection cn = new SqlConnection(Database.PTrackerConnection))
{
cn.Open();
using (SqlCommand cm = cn.CreateCommand())
{
cm.CommandType = CommandType.StoredProcedure;
cm.CommandText ... follows:
[Transactional(TransactionalTypes.TransactionScope)]
private void DataPortal_Delete(Criteria criteria)
{
using (SqlConnection cn = new SqlConnection(Database.PTracker...
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