Trng i Hc S Phm Tp. H Ch Minh Khoa: Cng ngh thng tin

GVHD: Thy Nguyn ng Kim Khnh SVTH (Nhm ): Trn Th Mng Dung K3310 3312 Trn Th Thanh Trc K3310 3328 Phm Hi Nh Ngc K3310 3386 Nguyn Th Qunh L K3310 3380 Lp: Tin 5 LA -KG

MC LC LI NI U. CHNG I: GII THIU CNG NGH SILVERLIGHT I.1 Cng ngh silverlight I.1.1 Lch s ca Silverlight I.1.2 Tng quan v Silverlight I.2 u im ca Silverlight I.2.1 Mt s tnh nng ni bt khi s dng Silverlight I.2.2 Kh nng h tr ca Silverlight I.2.3 Nhng u im ca Silverlight I.2.4 Silverlight ca Microsoft Windows Presentation Foundation CHNG II: NGHIN CU CNG NGH SILVERLIGHT II.1 Kin trc tng th v phin bn Silverlight II.1.1 Kin trc tng th v cc thnh phn Silverlight II.1.2 Phin bn Silverlight II.2 Tnh a phng tin ca Silverlight II.2.1 Silverlight Hosting II.2.2 Mi trng thc thi Silverlight II.2.3 a trnh duyt CHNG III: HOT NG CA SILVERLIGHT III.1 Tng qut III.2 Ci t Silverlight III.3 Cng c h tr Silverlight III.3.1 Visual Studio 2008 III.3.2 Expression Blend 2 III.3.3 Lunar Eclipse III.3.4 Eclipse4SL

III.4 Lp trnh Silverlight III.5 Hiu sut Silverlight III.6 Dynamic language runtime (DLR) III.6.1 JavaScript III.6.2 C# III.6.3 Visual Basic / VBx III.6.4 IronPython III.7 Dch v Windows Live CHNG IV: NG DNG SILVERLIGHT IV.1 Silverlight vi ASP.NET IV.2 To ng dng Silverlight bng Visual Studio IV.2.1 Cc ng dng Silverlight IV.2.3 Ci t th nghim IV.2.3 M ngun chng trnh th nghim KTLUN TI LIU THAM KHO

LI NI U Ngy nay, nhu cu cng ngh thng tin ngy cng cao i hi cc doanh nghip cng quan tm hn n website ca mnh. Nhng trang web c ni dung hp dn v giao din bt mt gip rt nhiu doanh nghip gim chi ph v tng doanh s bn hng. Vic nhanh chng tm c cc thng tin hu ch trn website s gip cc khch hng khng phi mt nhiu thi gian v chi ph cho cc cuc gi n nhn vin chm sc khch hng. Kh nng kt hp v tng thch tt vi cc phn mm v dch v c ci t trn my tnh, cc trung tm d liu v c in ton m my s cho php cc t chc v doanh nghip mang n nhng tri nghim ng kinh ngc cho ngi dng c trong v ngoi trnh duyt web ca h. V vy Silverlight l gii php tt nht gii quyt vn

CHNG I: GII THIU CNG NGH SILVERLIGHT I.1 Cng ngh silverlight Microsoft Silverlight l mt cng ngh a nn, a trnh duyt da trn nn .NET dng xy dng v pht trin mt th h ng dng Web v thit b mi, y tnh tng tc v h tr ti a v media. Hin nay Silverlight c nm phin bn dng pht trin ng dng bng ngn ng Javascript v bng cc ngn ng .NET framework nh C# hay VB.NET,.... Bn cnh cng ngh Silverlight cn c h tr bi ngn ng nh du XAML y sc mnh trong vic th hin giao din ngi dng. C th ni cng ngh Silverlight thng nht c tt c cc kh nng ca server, Web v ng dng desktop, ca code .NET, ca ngn ng hnh th v ngn ng truyn thng v sc mnh ca Windows Presentation Foundation (WPF). cui cng to ra mt ng dng m ngi dng phi thy thch. Mt s ngi cho rng cng ngh Silverlight ca Microsoft s l st th ca Adobe Flash. Nhng hin ti th cha th bit c iu g, v c hai cng ngh ny u c s dng bng plug in ca trnh duyt, c hai u h tr ha vector, m thanh, phim nh, animation v ngn ng script. D ngi pht trin ng dng l ngi pht trin web hay ngi thit k ha th Silverlight u to iu kin tt nht ngi c th pht huy ti a kh nng ca mnh. Hin nay Silverlight ang l cng ngh hot trong th gii web.. y l mt cng ngh kh tt ca Microsoft trong vic thit k v pht trin cc d n web. V vy c kh nng n s pht trin mnh hn na. Vy Silverlight l g? S dng n nh th no? Trong bi bo co ny chng em s gip cc bn hiu v tip cn vi cng ngh ny mt cch nhanh nht. I.1.1 Lch s ca Silverlight S kh khn ca cc doanh nghip khi xy dng chin lc Web: ngy nay khi pht trin cc ng dng trn web cc doanh nghip phn mm thng

au u vi nhng kh khn v s h tr trn trnh duyt v h iu hnh. iu h mun l vi nhng ngn ng v cng c pht trin vn quen thuc t trc n gi u c th lm cho h nhng ng dng chy tt trn mi nn tng, mi trnh duyt. Silverlight ra i nh mt cng ngh ph hp cho php h lm c nhng vic nh th. Nu bn quen thuc vi cng ngh .Net Framework th khi tip cn vi Silverlight bn s tch kin c rt nhiu thi gian v chi ph cho cng ngh web mi Nhu cu cn thit ca th gii a phng tin: cc cng ngh plug-in trn web trc y khng cho php bn truyn ti nhng d liu hnh nh cht lng cao nh 720p HDTV, Trong khi cht lng ng truyn mng ngy nay ang ngy cng tt hn v nhu cu c xem nhng video cht lng cao cng tng ln th s ra i ca Silverlight em n cho ngi am m th gii a phng tin mt s tha mn tht s. I.1.2 Tng quan v Silverlight I.1.2.1 Silverlight l g? Silverlight l mt cng ngh a nn tng, a trnh duyt c a ra bi Micrososft, cho php xy dng cc ng dng trn web (khng ph thuc vo trnh duyt) v tng tc vi Server. Silverlight cung cp mt m hnh lp trnh mm do v ng nht, n h tr Ajax, Python, Ruby v cc ngn ng lp trnh .Net nh C#, Visual basic... Kh nng a phng tin ca Silverlight th hin mc truyn ti m thanh v hnh nh cht lng cao mt cch nhanh chng v hiu qu trn tt c cc trnh duyt (Internet Explorer, Firefox, Safari, Opera...) im mnh ca Silverlight l cung cp nhng thuc tnh thit k giao din, to nhng hiu ng (hot nh) mt cch d dng. I.1.2.2 Bn cht ca Silverlight

Silverlight thc hin nhng chc nng ca n bi mt Plug-in trnh duyt. Khi bn truy cp vo mt trang web c s dng Silverlight, Plug-in ny s thc thi code v tr v (hin th) ni dung ca ng dng Silverlight . Plug-in ny c dung lng khong 4MB, d dng cho vic ti v v ci t. Nu h iu hnh ca bn cha ci Plug-in ny, bn s nhn c cc ghi ch ci t khi truy cp vo cc ng dng web s dng Silverlight ging nh hnh di y:

I.2 Cc c tnh ca Silverlight Silverlight kt hp nhiu cng ngh vo mt nn tng pht trin, n cho php bn c la chn nhiu cng c v ngn ng lp trnh thch hp gii quyt bi ton ca bn. Silverlight cung cp cc tnh nng sau: I.2.1 S kt hp ca WPF v XAML Silverlight l mt gi nh ca cng ngh WPF (Windows Presentation Foundation). WPF cho php bn to ra ha ba chiu, hnh nh ng, a phng tin v nhiu tnh nng phong ph khc. Cc ng dng to ra bi WPF ch yu l cc phn mm ng gi. Silverlight k tha mt s thuc tnh ca WPF v n c m rng nhiu hn mt s cc phn t to ra giao din cho ngi dung trn trnh duyt web. Tuy nhin Silverlight cng mang mt s im hn ch hn WPF v tnh linh ng (ty bin) trong vic thit k giao din v hiu ng. C Silverlight v WPF u da trn cng mt nn tng l XAML (Extensible Application Markup Language) cung cp cc c php nh du c trng cho vic to cc Element. I.2.2 M rng ngn ng a kch bn

Silverlight cung cp vic m rng cho cc ngn ng a kch bn (Javascript) mt s cc trnh duyt ph bin th hin vic trnh by giao din v thao tc ngi dng mt cch phong ph hn. I.2.3 Tch hp cc ng dng c. Silverlight l s tch hp lin mch vi ngn ng Javascript v m Ajax sn c ca Asp.Net b sung cc chc nng bn xy dng c. Bn c th to nhng ti nguyn trn nn my ch c trong ASP.NET v s dng cc kh nng ca Ajax trong ASP.NET tng tc vi ti nguyn trn nn my ch m khng lm gin on ngi dng. Cc ng dng Silverlight c kh nng tng tc vi my ch, x l cc s kin mt cch bt ng b. iu ny khng lm gin on thao tc ca ngi dng cui. Nu nh bn tng to ra cc d n web s dng Ajax, chc hn bn s cm thy d dng hiu c ch x l bt ng b trong Silverlight. I.2.4 S dng m hnh ngn ng lp trnh trn nn tng .Net Framework v cc cng c kt hp. Bn c th to cc ng dng trn nn tng Silverlight bng cch s dng cc ngn ng ng nh InronPython cng nh cc ngn ng nh C#, Visual Basic. Microsoft a ra mt s kt hp nhun nhuyn cho vic to ra cc ng dng Silverlight thng qua hai b cng c: Visual Studio 2008 v Expression Blend. S ng b cng c ny to nn s thun li ti a cho cc nh pht trin. I.2.5 H tr mng. Silverlight h tr HTTP thng qua giao thc TCP. N c th thc hin cc kt ni ti cc dch v ca WCF, SOAP, ASP.NET v nhn v cc nh dng theo cu trc XML, JSON hay d liu RSS. I.2.6 H tr ngn ng tch hp truy vn (LINQ). Silverlight cho php thc hin nhng truy vn d liu bng cch s dng c php trc quan v mnh m thng qua LINQ (Language Integrated Query

ngn ng truy vn tch hp). LINQ cho php bn to nhng truy vn ngay trn cng c lp trnh (Visual Studio) nh trong SQL v c tch hp trong b .NET Framework 3.0 tr ln. C ba iu m bn nn quan tm v LINQ l: LINQ to Objects LINQ to XML v LINQ to SQL. I.2.7 Th hin c cc ni dung phc tp Silverlight c th to ra cc ni dung phc tp, gm video, animation, text, ha hai chiu, cc hiu ng hnh nh trn trang web. I.2.8 Plug-in nh gn Ch mt t pht c th ci plugin vo trnh duyt v s dng cng ngh Silverlight. I.3 u im ca Silverlight I.3.1 Mt s tnh nng ni bt khi s dng Silverlight Silverlight c xy dng vi cc cng ngh ca Microsoft ang tn ti: s trn ln gia Windows Presentation Framework-nh XAML (ngn ng markup ng dng XML), JavaScript v cc cng ngh .Net. Nu cc chuyn gia pht trin ca bn thn thin vi cc cng ngh Web v Microsoft .Net th h hon ton c th s dng cc kin thc c xy dng ng dng Silverlight. I.3.2 Kh nng h tr ca Silverlight I.3.3 Nhng u im ca Silverlight I.3.4 Silverlight ca Microsoft Windows Presentation Foundation

CHNG II: NGHIN CU CNG NGH SILVERLIGHT II.1 Kin trc tng th v phin bn Silverlight II.1.1 Kin trc tng th v cc thnh phn Silverlight: Di y l hnh nh m t nhng thnh phn trong kin trc ca Silverlight cng vi cc thnh phn v dch v lin quan khc:

V c bn Silverlight l mt nn tng thng nht ca nhiu thnh phn khc nhau. Di y l cc thnh phn chnh ca Silverlight.

Thnh phn

Din t Cc thnh phn v dch v hng ti giao din ngi dng v tng tc ngi dng, bao gm cc control d

Nn tng trnh by liu cho ngi dng nhp, thit b a phng tin, qun l c s phn quyn s, trnh by d liu, ha vector, ch, hnh nh ng v bao gm c XAML c t vic b tr giao din. L mt gi nh trong .Net Framework, bao gm cc thnh .Net Framework phn v cc th vin, k c trong vic tng tc d liu, kh nng m rng cc control, mng, garbage collection, v CLR. L thnh phn s l cc tin trnh ci t lm sao Ci t v cp nht n gin ha cho ln ci t u tin, tip sau ch cung cp c ch t ng cp nht v tng tc mc thp. cho silverlight

* Kin trc ca Silverlight gm: - Browser Plug-in Plug-in ny cung cp nhng c ch nh sau: 1. Thit lp v thy i ni dung XAML thc thi n runtime. 2. Ly nhng i tng tai thi im runtime, thao tc thng qua javascript. 3. Tng kh nng download ni dung. - Element Tree 1. N chnh l cy ca nhng i tng nh: i tng Path, i tng Image v i tng MediaElement m bn to ra xy dng ng dng v n tng t nh l cy HTML. Tuy nhin, n c nhiu graphics element hn so vi

HTML, v m hnh lp trnh th ging nh DOM. c th xy dng Element Tree, chng ta c th dng XAML parser c cung cp bi silverlight s dng hm CreateFromXaml. 2. c th thy i Element Tree th: a. Dng Javascript API b. S dng Animation System thay i gi tr over time - Rendering Engine Cc tnh nng : 1. Tng tnh redraw gia nhng frame, hn ch s pixel v da vo ni dung m thay i. 2. Ch render nhng ni dung visible, khng render nhng ni dung transparent. 3. Da vo s thun li ca CPU m chng ci thin render. c trng ca Render Engine : + H tr hnh c bn nh: Hnh ch nht, Ellipse , Image + H tr Brush + H tr Text Render + Transform + H tr trong sut. - Input and Events: Cung cp s kin - Animation System: Animation tng tnh linh hot GUI. - Downloader and Packaging: XAML, images, fonts c ng gi vo bn trong file *.zip da vo i tng Downloader. - Ink Support: h tr v ni dung sa dng Pen, tng t nh Paint Ngoi ra cn c: - Image Cache - Text Engine

- Glyph Cache - Media Pipeline - Decoders * Nn Tng ca Silverlight: bao gm 2 phn chnh - Cc nn tng trnh by c s trong Silverlight: Tnh nng M t X l d liu u vo t cc thit b phn cng D liu vo(input) nh bn phm, chut, bng v hoc cc thit b u vo khc Trnh by giao din ngi dng (UI Rendering) Thit b nghe nhn (Media) Controls Cc tnh nng qun l v pht mt vi file hnh nh v m thanh nh .WMP v .MP3 H tr m rng cho cc control c kh nng ty chnh v kiu dng v khun mu Cho php kh nng xp t v tr ng cc thnh phn giao din ngi dng Cho php vic kt ni d liu ca cc i tng v cc thnh phn giao din ngi dng Kh nng Qun l phn quyn s Cung cp trnh phn tch cho XAML Trnh by vector v cc ho nh bitmap, nh ng, v vn bn

Xp t Layout Trnh by d liu (Data Binding) DRM XAML

Cc lp trnh vin c th tng tc vi thnh phn nn tng trnh by c s trn bng cch s dng XAML c t. XAML l mt yu t quan trng nht trong vic tng tc gia .Net Framwork v cc kiu trnh by Layout, ngoi ra cc lp trnh vin cng c th s dng c ch qun l code bn trong thao tc vi lp trnh by. - .Net Frame work cho Silverlight: Tnh nng M t H tr ngn ng truy vn tch hp (LINQ) v LINQ vi c t XML, d dng x l vic tch hp v lm vic vi Data d liu t nhiu ngun khc nhau. H tr vic s dng XML v cc lp bin i ha (serialization) x l d liu. Thuc th vin ca .Net Framework, n cung cp cc Base class library chc nng lp trnh ch yu nh vic x l chui, biu thc chnh quy, u vo v u ra, nh x, tp hp v ton cc ha. Window Communication Foundation (WCF) Common language Runtime (CLR) Cung cp cc tnh nng n gin ha vic truy cp d liu t xa. C ch ny bao gm mt i tng trnh duyt, HTTP request v HTTP Response, RSS, JSON, POX, v cc SOAP. Cung cp vic qun l b nh, dn dp b nh tha, x l ngoi l

Windows Presentation Foundation (WPF) Dynamic language controls

Cung cp cc control giu tnh nng nh Button, Calendar, CheckBox, DataGrid, DatePicker, and

HyperlinkButton, ScrollViewer.

ListBox,

RadioButton,

H tr vic bin dch v thi hnh vi tnh nng ng ca cc ngn ng kch bn nh Javascript v IronPython cho cc chng trnh trn nn tng Silverlight.

runtime (DLR)

II.1.2 Cc phin bn v m hnh lp trnh Silverlight II.1.2.1 Cc phin bn ca Silverlight a) Silverlight 1.0 Sau 6 thng th nghim, thng 11/2007 Silverlight 1.0 c Microsoft chnh thc ra mt trc xu hng ni dung Web tng tc ang thnh. L mt plug-in ca trnh duyt, Silverlight 1.0 mang sc mnh m thanh v video ci tin n vi cc ng dng Web, n cng c coi l li phc p ca Microsoft vi cng ngh Flash (ca i th Adobe) ang rt ph bin. Silverlight c th gip cho Microsoft gy dng thanh th trong lnh vc thit k giao din Web v cnh tranh vi Flash nh mt nn tng cho ng dng Web trong tng lai. Silverlight 1.0 bao gm framework thuyt trnh, c th x l hnh nh, ch, hnh ha, m thanh, hnh nh cng lc, ng thi thit k giao din ngi dng bng ngn ng nh du XAML ca Microsoft. Cc nh pht trin c th to ra cc ng dng Silverlight nh mt addon min ph bn trong phn mm Visual Studio 2008 sp pht hnh. Ngoi ra, Silverlight cng h tr c h iu hnh ngun m Linux.

Chi ph vn hnh tit kim hn, thi gian pht trin ng dng v Web ngn hn, cc nh thit k li c th s dng nhng cng c nh Silverlight thit k lay-out cho ng dng. Silverlight 1.0 mnh v cc tnh nng multimedia. b) Silverlight 2.0 Ngy 13 thng 10 nm 2008, Microsoft gii thiu phin bn th 2 ca Silverlight mt trong nhng gii php ton din nht tri nghim sc mnh ca truyn thng a phng tin v pht trin cc ng dng dnh cho web. Silverlight 2 c b sung thm mt lot tnh nng v cng c mi cho php nhng nh thit k, nhng nh pht trin kt hp tt hn, pht huy ti a kh nng sng to mang n ngi dng nhng ng dng c o nhng thn thin, d s dng nhng vn bo mt tt. Silverlight 2 thm vo kh nhiu tnh nng: h tr lp trnh bng cc ngn ng trn .NET nh C# v VB, cc cng ngh nh LINQ, lp trnh socket v cc giao thc kt ni mng da trn HTTP... Mt s tnh nng ni bt ca Silverlight 2: H tr .NET Framework vi mt th vin phong ph, hon ton tng thch vi mi trng .NET Framework. Cc trnh iu khin mnh. Bao gm: DataGrid, ListBox, Slider, ScrollViewer, Calendar v nhiu trnh iu khin khc. Cung cp nhiu th vin mu. D dng xy dng v iu chnh cc ng dng. Siu Zoom. Tnh nng ny s h tr rt tt nhng hnh nh c phn gii cc cao ang dn tr nn ph bin.

H tr ton din cc h thng mng. REST, WS*/SOAP, POX, RSS v tt nhin l c HTTP, tnh nng ny s gip nhng ng dng d dng tch hp c vi cc h thng sn c. H tr nhiu ngn ng lp trnh. Khng ch h tr cc ngn ng .NETFramework, Silverlight 2 c th h tr rt nhiu ngn ng lp trnh nh Visual Basic, C#, JavaScript, IronPython v IronRuby. iu ny s gip cc nh pht trin d dng hn trong vic lp trnh da trn cc k nng sn c. Bo mt ni dung. Tnh nng ny c tch hp sn trong Silverlight DRM, cung cp bi PlayReady, mang n kh nng bo mt mnh m. Tng kh nng lu tr cho my ch v to ra cc hi qung co mi. Tnh nng ny gip vic truyn ti d liu tt hn da trn, ti u ha cc cng c tm kim, h tr cc hnh thc qung co th h tip theo. H tr nhiu nn tng v trnh duyt. Silverlight 2 c kh nng tng thch vi cc h iu hnh ph bin nh Mac, Windows hay Linux, ng thi n cng c th d dng tch hp vo cc trnh duyt nh Firefox, Safari v Windows Internet Explorer. Nhng khch hng ang s dng cc phin bn c hn s c t ng cp nht ln Silverlight 2. Yu cu h thng: B vi x l X86 hoc x64 500MHz hoc cao hn; RAM ti thiu 128MB; c) Silverlight 3.0 Mt s c im b sung cho Silverlight phin bn ny l vic h tr cm ng a im (multi-touch), ci thin cht lng ch vit, h tr cho mt s nh dng video mi (chng hn nh H.264,

MP4, ACC), trnh din hnh nh 3D c hon ho hn, t ng ti u ha cng c tm kim v c kch thc nh gn. Bn cnh , ngi dng c th tng tc cng ng dng Silverlight - hot ng ring r vi trnh duyt, tc ng vai tr l mt ng dng offline. Silverlight 3 cho php cc nh pht trin v thit k to ra nhng ng dng web c tnh cht t ph nhm mang n cho khch hng nhng tri nghim tt trong mi trng web. Phin bn Beta ca SilverLight 3.0 c thm 50 tnh nng mi quan trng nh nn m thanh v hnh nh cht lng cao, gi lp 3D (3D Perspective), bng im nh (Pixel Shader), BitMap Caching, thay i giao din, nh ngha theo nhiu lp (Cascading), b 60 control mi cng source code trong SilverLight Toolkit 3.0, cc tnh nng h tr lp trnh ng dng doanh nghip: binding (kt ni 2 chiu t giao din vi d liu), data form, phn trang (pagination)Bn cnh Silverlight 3 s h tr truyn ti hnh nh v m thanh cht lng cao nh xem phim HD ch ton mn hnh, xa b hin tng git hnh khi xem video trc tuyn hoc video theo yu cu. Phin bn mi ny cng h tr nhiu nh dng video hn trong c c nh dng H.264. V mt yu t quan trng na l Silverlight cho php to ra cc ng dng web nh hn, thn thin hn vi ngi dng. Vic ci t nhn chung tng i n gin v nhanh chng, n cho php t ng cp nht cc phin bn cao hn trong tng lai. Thm na Microsoft cho php Silverlight 3 lm vic vi Internet Explorer 6 trn Windows Mobile. d) Silverlight 4.0

Hm 17/5/2010, Microsoft a ra Silverlight 4 Tools for Visual Studio 2010, gi add-on cho Visual Studio 2010 IDE, cung cp cng c cho nn tng Silverlight 4. N cung cp mt b y cc tnh nng mnh m pht trin ng dng kinh doanh. Silverlight cung cp mt nn tng l tng cho vic pht trin v trin khai cc ng dng kinh doanh hin i cho c hai mt: khch hng v nhn vin, cc ng dng. Silverlight 4 tch hp rng ri cc tnh nng ni dung HTML, h tr thm nhiu ngn ng lp trnh nh: Thi, Rp, v hn 30 ngn ng khc, h tr thm trnh duyt Google Chrome v webcam, ti u ha h thng v c tc l thuyt nhanh hn n 2 ln so vi phin bn 3.0, h tr cc ni dung pht trin ng dng cho cc lp trnh vin/ nh pht trin, h tr thm nn tng cm ng a im, ko/ th, v con ln chut...H tr v cung cp bo mt cho chun video H.264 thng qua PlayReady DRM. Cc tnh nng: Tnh nng mi cho cc nh pht trin ng dng H tr in n ton din cho php bo co bn in v cc ti liu cng nh in xem o, c lp vi ni dung mn hnh. Mt tp hp y cc hnh thc iu khin vi hn 60 ty chnh, cc thnh phn styleable. Nt iu khin bao gm RichTextbox vi cc siu lin kt, hnh nh, iu khin trong dng, v chnh sa. Tng cng kim sot bao gm DataGrid vi sortable/resizeable ct v copy/paste . WCF RIA dch v gii thiu mng lp doanh nghip v truy cp d liu cho vic xy dng cc ng dng bao gm c giao dch, phn trang d liu, WCF v HTTP ci tin.

Localization ci tin vi cc vn bn Bi-Directional, Right-toLeft h tr v cc tp lnh phc tp nh ting Rp, ting Do Thi v 31 ngn ng mi bao gm h tr Vit Nam v n . Cc NET thng. Runtime (CLR) by gi cho php bin dch m cng c chy trn cc my tnh bn v Silverlight khng thay i. Tng cng h tr databinding tng tnh linh hot v nng sut thng qua cc d liu nhm, chnh sa v chui nh dng trong cc rng buc. Qun l kh nng m rng Framework h tr xy dng cc ng dng ln composite. c quyn cng c h tr cho Silverlight, mi trong Visual Studio 2010. Bao gm mt thit k hon ton c th chnh sa trn b mt, ko th lin kt d liu, iu khin t ng b rng buc, la chn ngun d liu, tch hp vi Expression Blend ngun ti nguyn phong cch, h tr d n Silverlight v IntelliSense y . Pht trin cc cng c Hon ton c th chnh sa thit k trn b mt v ra cc iu khin v b cc. Rich property grid v cc bin tp vin mi cho cc gi tr Ko v th h tr cho databinding v t ng to ra cc iu khin rng buc nh l hp danh sch, li d liu. Ngun d liu mi ca s v bng chn. D dng chn phong cch v cc ngun lc thc hin mt ng dng tm kim tt da trn cc ngun lc thit k xy dng trong Expression Blend.

c xy dng trong d n h tr cho cc ng dng Silverlight Editor vi intellisense y cho XAML v ngn ng C#,VB. Silverlight 4 m rng kh nng cung cp ca mt tng lp mi ca ng dng Rich Internet lm vic trn my tnh bn m khng c m b sung hoc runtimes. e) Silverlight 5.0 Silverlight 5 h tr gii m Video v ha 3D H tr cho h iu hnh 64 bit H tr iu khin t xa Ci thin kh nng tit kim in nng bng cch kch hot screen saver khi xem video v gip my tnh chuyn sang ch Sleep khi video khng chy. Tnh nng TrickPlay cho php video c th c chi nhiu tc khc nhau v h tr tua nhanh, tua li. Silverlight 5 s c 40 tnh nng mi. Mt s im ng ch ca Silverlight 5 bao gm: H tr gii m Video v ha 3D H tr cho h iu hnh 64 bit H tr iu khin t xa Ci thin kh nng tit kim in nng bng cch kch hot screen saver khi xem video v gip my tnh chuyn sang ch Sleep khi video khng chy. Tnh nng TrickPlay cho php video c th c chi nhiu tc khc nhau v h tr tua nhanh, tua l II.1.2.2 M hnh lp trnh silverlight phin bn Silverlight 1.0 cung cp cho bn duy nht mt m hnh lp trnh l Javascript API, cho n cc phin bn Silverlight sau cung cp c hai m hnh lp trnh l Managed API v Javascript API. Trong khi Javascipt API ch cho php bn g m lnh Javascript tng tc vi trnh duyt th Managed API

s dng c c ch lm vic ca Common Language Runtime (CLR) v k c Dynamic Language Runtime (DLR) bin dch v thi chng trnh code (C#, VB) ca bn. a) Javascript API Trong mt chng trnh silverlight nhng theo kiu Javascript API, n ti ch mt trang XAML n l thay v ti mt gi ng dng. Trang XAML ny c th bao gm cc tham chiu URI t nhng ngun bn my ch khc nh l cc on video v hnh nh. Silverlight nhng s dng XAML to mt cy i tng ci m bn c th thao tc lp trnh vi javascript lu tr bn trong mt trang HTML. Javascript API khng cung cp mt m hnh ng dng c kh nng h tr cc ng dng t hp vi s iu hng bn trong. Tuy nhin n cho php lm nhng kch bn theo kiu Splash screan. Bn cng c th lm cc s iu hng trong Javascript API bng cch ti li trang XAML mi hoc ti li c trang web trong trnh duyt. b) Managed API Trong lp trnh silverlight theo kiu Managed API, bn c th thao tc lp trnh vi c file XAML v file code bn trong. Khi mt Silverlight nhng ti file XAML, n s to mt cy m hnh ci m bn cng c th g bng cc m lnh bn trong ( thng l C#, Visual basic). II.2 Tnh a phng tin ca Silverlight II.2.1 Hosting Silverlight Applications (Mi trng lm vic ca ng dng Silverlight). Hu ht cc ng dng Silverlight c chy trn trnh duyt. ng dng Silverlight c to nh l mt phn ca trang Web v c nn ngun trong mt file xap ( Ni lu tr thanh phn ca Silverlight).Khi ng dng chy n chy trong

mi trng bo mt khc vi phn khc ca trang web. m n chy trong trnh nhng Silverlight (Silverlight Plugin). Bn c th chy ng dng Silverlight bn ngoi trnh duyt. ng dng ny c th b qua mt s hn ch c p t bi mi trng bo mt ca trnh duyt. Mi trng Web Browser, partial trust Out-of-Browser, partial trust M t ng dng chy trn trnh duyt nh mt phn ca trang Web, Gii hn quyn truy cp ti my tnh ng dng c ci t trn ng dng ca ngi dng, Nhng c chung ni dung bo mt nh trn mt ng dng trn trnh duyt Web ng dng c ci t vi quyn truy cp cao ti my tnh ngi dng. Trong Silverlight 4 bn c th cu hnh ng dng Silverlight chy vi quyn cao nht. Mt ng dng t hn ch hn v Out-of-Browser, elevated trust quyn truy cp nhiu hn n my tnh ngi dng. iu khin bn quan tm khi ng dng truy cp ti mt WebService. Bn nn cn thn vi loi ng dng ny c cn thit trc khi to ng dng Silverlight. Ngoi ra bn cn b sung cc k thut bo mt khc, nh ch k s trn ng dng ca bn. II.2.2 Mi trng thc thi Silverlight Silverlight thc thi ng dng trong mi trng bo mt bi nhiu phng thc khc nhau. Bng sau m t cc phng thc truy cp khc nhau vo my tnh. T to cc ng dng Silverlight an ton, bo mt cao. Mt s phng thc c truy cp t do cho ng dng.

Tnh nng

Sandbox Restrictions (Cc hn ch) Truy cp File b hn ch v s dng ca s yu cu ngi

File system access

dng ng khi to. Tm hiu thm Dialog Boxes Overview. Lu tr cc b phn lp mt phn ca tp tin h thng.

Isolated local storage

Dung lng c hn ch 1 MB tr khi ngi dng xc lp li. Ngi dng c th xa phn lu tr ny. Tm hiu thm: Isolated Storage. Ton mn hnh c ngi dng khi to v hin th thng bo lm nh th no thot ch ny. Khi ngi dng nhn ESC hoc chuyn sang ca s khc, ng dng s t ng thot ch ton mn hnh. Tm hiu thm: Full-Screen Support. Quay phim v thu m phi c ngi dng nh ngha.

Full-screen mode

Webcam and

Ngi dng phi ng trc xc nhn bo mt. Tm hiu

microphone support thm: Webcam and Device Overview. (Ch h tr Silverlight 4). In n phi c ngi dng nh ngha. Printing.( Ch h tr Silverlight 4). Truy cp Clipboard phi c ngi dng nh ngha. Clipboard acces Ngi dng phi ng trc xc nhn bo mt. Quyn truy cp kt thc khi ngi dng kt thc ng dng ny. Tm hiu thm:Clipboard.( Ch h tr Silverlight 4).

Printing

Theo mc nh, Silverlight cung cp mt trnh n ng cnh khi kch chut phi vo bao gm mt ty chn Right-click, context truy cp hp thoi cu hnh Microsoft Silverlight. Hp menu support thoi cu hnh cng c sn trn menu Start trong trng hp kch chut phi vo mt ng dng cung cp s h tr. Reflection and Reflection Emit Phn x v phn x pht ra b hn ch trn mt phn yu cu. bit thm thng tin, cn nhc an ninh cho Reflection v cc vn bo mt trong Reflection pht ra. Truy cp mng c hn ch. Mt vi giao thc mng c s dng v hn ch bi chnh sch bo mt Tm hiu thm: Accessing Network Resources in Secure Ways.

Network resource access

II.2.3 Kh nng h tr h iu hnh v a trnh duyt: Internet Explorer 7 C C C C C Internet Explorer 6 C C C C C Firefox 1.5, 2.x, and 3.x C C C C C Safari 2.x and 3.x -

Operating system Windows Vista Windows XP SP2 Windows XP SP3 Windows 2000 Windows Server 2003 (excluding IA-64) Windowns 7 Mac OS 10.4.8+ (PowerPC) Mac OS 10.4.8+ (Intelbased)

-

-

C

C

CHNG III: HOT NG CA SILVERLIGHT III.1 Ci t Silverlight - Ti file Silverlight_Tools.exe c trn trang ca microsoft - Bn phi chc chn rng my tnh ca bn ci t Visual Studio 2008 SP1( nu cha bn phi ci VS 2008 trc). - Chy file Silverlight_Tools.exe, ch khong 1 pht hin th Silverlight tools installation Winzard

- Bm next n bc 2, click chn I have read an accept the license terms. - Bm Next h thng t ng kim tra tng thch( lu : phi ng ht cc trnh duyt web) - h thng ci t v hon thnh

Tm li cc bc ci t gm: Bc 1: Ci t Microsoft Visual Studio 2008. Bc 2: Download v ci t Microsoft Visual Studio 2008 Service Pack 1 => ch : dung lng a h thng (thng l C) phi cn trng trn 3.7 GB. Thng ci t kh lu. Bc 3: Download v ci t Silverlight tool 3 - Khi ci thnh cng VS2008 SP1 cc bn c mi trng .NET 3.5 v SDK silverlight 2. Tuy nhin to mt ng dng silverlight trn VS2008, cc bn phi ci t thm tool h tr Silverlight Bc 4: Ci t b cng c Microsoft Expression Studio, gm: - Expression Blend Expression Design - Expression Encoder Expression Media - Expression Web C th download bn trial ti website ca microsoft: http://www.microsoft.com/expression/ Bc 5: Download v ci t Microsoft Expression Blend Service Pack 1 Cui cng, download v ci t Deep Zoom Composer.

III.2 Cng c Silverlight III.2.1 Visual Studio 2008 L cng c hiu qu cho vic pht trin cc ng dng c h tr thao tc code bn trong. (chng ta quen vi cng c ny cho nn s khng ni li m ch ch yu ni v Expression Blend). III.2.2 Expression Blend III.2.2.1 Khi nim Expression Blend Expression Blen l mt cng c thit k chuyn nghip v y tnh nng to cc giao din ngi dng cho cc ng dng trn nn tng Microsoft Silverlight v Microsoft Window. Epxpression Blend cho php nh thit k ch cn tp trung vo vic sng to cn cc lp trnh vin th tp trung vo cng vic lp trnh. Mi thnh vin nhm c th lm vic m khng lm cn tr n qu trnh lm vic ca ngi khc. III.2.2.2 Expression Blend lm vic nh th no? Trong Expression Blen, Bn c th thit k ng dng mt cch trc quan, v cc hnh, ng k, v cc Control c trn Artboard, v sau bn c th thay i s xut hin v cc hnh ng ca chng. Bn c th nhp hnh nd, video, v m thanh. Cn trong cc ng dng trn nn tng Window, bn cn c th nhp v thay i cc i tng 3D. Bn c th to cc storyboard lm chuyn ng hnh trong thit k ca bn, sau ty trn Trigger trong Storyboard khi ngi dng c tng tc vi ng dng ca bn. III.2.2.3 Nhng tnh nng chnh ca Expression Blend Expression Blend bao gm cc tnh nng sau: y b cc cng c v vector, n bao gm Text v cc cng c 3D D dng s dng, giao din trc quan hin Kh nng chuyn ng thi gian thc

3D and media support for enhancing user experiences H tr tng cng cho ngi dng nhiu kinh nghip vi 3D v Media Advanced, flexible, and reusable customization and skinning options for a variety of common controls Tnh nng tng tc mnh m vi cc ngun d liu v cc ti nguyn bn ngoi Tnh nng thit k theo Real-time v markup views Artwork import capabilities from Expression Design Kh nng nhp Artwork t Expression Design Site import capabilities from Expression Encoder Kh nng nhp site t Expression Encoder III.2.3 S kt hp gia Expression Blend v Visual Studio 2008 Mi cng c u c chc nng ring ca n. Visual Studio h tr cho lp trnh vin vit code d dng, trong khi Expression Blend gip cc designer thit k giao din d dng. V vy, ta c th kt hp c hai cng c trn tm hiu Silverlight d dng hn. Bng vic s dng kt hp gia Visual studio v Expression Blend, cc s cp nht v m lnh cng nh cc file trong ng dng lun c thng bo 2 chng trnh cng c c cp nht mi nht. Sau khi thit k y cc layout trn Expression Blend, vic cn li ch yu l dnh cho ngi lp trnh m lnh trn Visual Studio. Visual studio s ng gi ng dng ny thnh file .xap ( y l WeatherWidget.xap). file ny s c trin khai bt k mt trang html hay aspx III.4 Lp trnh Silverlight

III.5 Hiu sut Silverlight III.5.1 Lm th no chng trnh ca bn chy nhanh v n nh

ng dng ca bn hot ng n nh vi hiu sut cao bn cn phi chn nhng phng n kh thi v ti u v trnh nhng sai lm trong vic la chn phng n. Chng ti a ra mt s gi gip cho mt ng dng chy nhanh v hiu qu di y: Th nghim trn nhiu h iu hnh v trnh duyt t EnableFrameRateCounter cho ng trong thi gian pht trin S dng Transparent Background Trnh vic s dng cc kch bn lm bin i kch c font ca Text Trnh s dng ch Windowless S dng Visibility thay cho vic s dng Opacity trong rt nhiu trng hp khng cn n s c mt ca Opacity Silverlight s dng Multi-Core trong Rendering v Media Trong ch Full-Screen, n nhng i tng khng s dng Trnh s dng thuc tnh Width v Height i vi i tng MediaElement Trnh s dng thuc tnh Width v Height i vi i tng Path Nguy c v khi CPU s ly cng ln cng vic Nguy c v i vi ng dng c nhng Package ln S dng Double.ToString(CultureInfo.InvariantCulture) hiu qu hn Double.ToString III.5.2 S dng BackGroundWorker Bt u vi vic to mt BackGroundWorker To mt Event handler cho background worker bi DoWork event To mt event handler cho s kin ProgressChanged ca

backgroundworker To mt s kin cho RunWorkerCompleted

B xung s kin vo BackGroundWorker Bt u chy background gi bi th tc RunWorkerAsync. Hy b hot ng ca background gi bi th tc CancelAsync. III.6 Giao tip mng vi Silverlight III.6.1 Giao tip HTTP v bo mt trong Silverlight Silverlight cho php HTTP / HTTPS giao tip vi cc dch v lu tr trn my ch web vi c hai trng hp bn trong v bn ngoi tn min ca bn c lu tr trn c s ng dng Silverlight. Mc nh h tr giao thc HTTP Kch bn giao tip HTTP Giao tip trong cng mt domain Giao tip Cross-domain Thit lp triu gi HTTP III.6.2 Cc hn ch trong truy cp mng vi silverlight Tn cng t tri dch v (DoS) Mt s lng ln cc my t xa c s dng nhm mc tiu tn cng vo mt trang web mc tiu l khng th request dch v hp l. Tn cng thay i thng tin DNS S dng DNS qun l my ch v cp nht li tn my ch ti a ch IP ca nn nhn, bi vy cho php truy cp s vo my ch khc hn l vo my ch thc s ca website . Reverse tunnel attack Use a remote clients outgoing connection as a back tunnel to the clients private network. III.6.3 Truy cp web service trong silverlight Bo mt cho truy cp Service To mt Service vt qua phm vi domain III.7 Lm vic vi socket H tr giao thc mng Lp trnh mng c bn vi Socket III.8 Dynamic language runtime (DLR)

III.8.1 JavaScript

III.8.2 C#

III.8.3 Visual Basic / VBx

III.8.4 IronPython

III.9 Dch v Windows Live

CHNG IV: NG DNG SILVERLIGHT IV.1 Silverlight vi ASP.NET IV.2 To ng dng Silverlight bng Visual Studio IV.2.1 Cc ng dng Silverlight IV.2.3 Ci t th nghim IV.2.3 M ngun chng trnh th nghim

KTLUN

TI LIU THAM KHO bit thm thng tin v Silverlight, hy gh thm cc Web site sau: [1] http://www.microsoft.com/silverlight [2] http://www.microsoft.com/silverlight/faq.aspx [3] http://www.microsoft.com/silverlight/resources/documentation/administration.a spx [4] http://silverlight.net [5] http://phanmemtaynguyen.com/security-in-silverlight

Slide .ppt bo co c 3 slide cui cng l: ha vd sd silverlight + link tham kho + demo ging: http://www.slideshare.net/guest3a8196/microsoftsilverlight-presentation

Danh sch t Silverlight gn nh l v tn. Cc cng c ca chng trnh ny cho php cc nh pht trin to ra rt nhiu ng dng web, t cc cng c rt thc t cho ti nhng tr game y th thch. Tuy vn cn l mt nn tng lp trnh kh non tr nhng Silverlight to ra c hng chc ng dng c s dng rng ri trn web.

nhng ng dng

ng dng Echo myPlace s dng Silverlight gn tin tc vi cc a danh tng ng trn bn a l. Chng c g ngc nhin khi cc nh pht trin s dng Silverlight to ra trnh media cho trang web. Cc chng trnh ny cng tng t nh trnh media Flash loi ng dng c s dng trong nhng website nh YouTube. Chng c kh nng truyn nhc v video t Internet v trnh duyt ngi dng. Ngoi ra Silverlight cn cho php cc nh pht trin to ra nhng trnh Game Video theo ch , tc l ch cung cp mt loi ni dung nht nh. V d nh ng dng Futbol Mexicano Silverlight chuyn chi video bng Mexico chng hn. Tt nhin gii hn ca Silverlight khng dng li vic Game Video.

ng dng Silverlight c th rt n gin, v d nh nhng thanh Hero. Nhng thanh hero (Hero Bar) l nhng banner trn web chuyn ng qung co v lin kt ti nhng ni dung su hn trn website. Cc nh pht trin c th dng Silverlight to mt thanh hero nhm ly thng tin v ng lin kt t RSS Feed. Mi khi webmaster a thm ni dung mi vo trang web, thanh hero cng t cp nht. Ngoi ra lp trnh vin cn c th dng Silverlight tng tc vi cc website khc. Twitterlight l mt ng dng nm trong dch v vi blog (microblog) mang tn Twitter. Vi Twitterlight, ngi dng c th truy cp ti nhng Feed Twitter c nhn ca mnh v a tin nhn mi.

Buzzoggi s dng Silverlight thu thp t kha v nhng ch nng t cc tin qua RSS feed v hin th chng trong mt m my. Hay phn mm nng sut TeamLive trc tuyn cn cho php ngi dng Silverlight cng lm vic vi nhau trong mt d n. TeamLive gip h chp nh mn hnh cc ng dng hoc website v chia s nhng tm nh ny vi nhng ngi dng khc. iu ny gip cho vic cng tc gia cc thnh vin nhm t cc a im khc nhau tr nn d dng hn. C nhm c th cng lm vic trong thi gian thc khc phc vn hoc sp xp cc bn thit k . Cn game trn Silverlight th c rt nhiu loi, t nhng game n gin cho ti nhng game phiu lu phc tp. V d nh cc game dng arcard nh Zero Gravity mt game phiu lu trong v tr. Cng nh Flash, Silverlight em n cho cc nh pht trin ngun lc cn thit em n tri nghim game ch thc qua trnh duyt web. Nhng ng dng trn ch l phn ni ca tng bng tri. Khi mng Internet ngy cng tr nn phc tp v ngi dng c tip cn vi nhiu bng thng hn, h s i hi nhiu hn t tri nghim web. V khi cng nhiu ngi s dng Internet c tin, gii tr v s dng cc ng dng nng sut th cc nh pht trin cng phi s dng nhng cng c nh Silverlight p ng nhu cu ngi dng.

Hin Silverlight t c thnh cng kh ln thng qua vic hp tc chin lc vi nhiu phng tin media truyn thng. Chng ta s tm hiu iu ny k hn trong phn tip theo.