whats new in adonet data services 1.5
DESCRIPTION
Adonet Data Services 1.5TRANSCRIPT
Visual Studio 2010and
.NET Framework 4
Training Workshop
Visual Studio 2010and
.NET Framework 4
Training Workshop
What’s New In ADO.NETData Services 1.5
What’s New In ADO.NETData Services 1.5
NameTitleOrganizationEmail
AgendaAgenda
• Server Enhancements• Row count• Server-side paging• Friendly feeds• BLOB streams
• Client Enhancements• Row Count• WPF/SL data binding
Row CountRow Count
/Products
n # of products
/Products?$skip=10&$take=10
10 products
1. No paging2. Potentially lots of data
1. No idea of total# of products
Row Count (cont.)Row Count (cont.)
/Products/$count?$skip=10&$take=10
Count
/Products?$skip=10&$take=10&$inlinecount=allpages
10 products +Inline Count
1. No data
Server-Side PagingServer-Side Paging
/Products
500,000 products
500,000product records
You can’t always assume the clientwill do the right thing…
Server-Side Paging (cont.)Server-Side Paging (cont.)
/Products
20 products +link to next page
/Products?$skiptoken=20
500,000product records
20 products +link to next page
500,000product records
Row CountServer-Side PagingRow CountServer-Side Paging
Friendly FeedsFriendly Feeds
Title?
Author?
Atom Pub (APP)Entry Document
BLOB StreamsBLOB Streams
Base64 String
BLOB Streams (cont.)BLOB Streams (cont.)/Products(1)/Photo
Photo Metadata
/Products(1)/Photo/$value
Photo Image
Friendly FeedsBLOB StreamsFriendly FeedsBLOB Streams
Client EnhancementsClient Enhancements
Data Service Context
Row Count
BLOB
Server-Side
Paging
Friendly Feeds
WPF Data Binding
WPF Data BindingWPF Data Binding
Data ServiceEntity
WPFFramework
Element2. Bind data to control
3. Modify data within control
Data ServiceContext
1. R
etr
ieve d
ata
4. Notify context of the change
WPF Data Binding (cont.)WPF Data Binding (cont.)
Data ServiceEntity List
WPF ItemsControl
2. Bind data to control
3. Modify data within control
Data ServiceContext
1. R
etr
ieve d
ata
4. Notify context of the change
Client EnhancementsClient Enhancements
SummarySummary
• Server Enhancements• Row count• Server-side paging• Friendly feeds• BLOBs
• Client Enhancements• WPF/SL Data Binding
