bài 7 đối tượng data source -đóng gói ứng dụng - giới thiệu các kĩ thuật lập trình asp.net nâng cao

® Object data source truyc pd li uqual ptruyc pd li u.. =mV icác ngdngnh,s d ng SQL data source mang | inhi ul ¡ích, không ph ivi t code C#... Dit ng Data Source - Đóng gói ng d ng - Cá

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- Gi i tht ucac ki thu t! p trinh ASPNET nang cao

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8B -»

=" Cacn idung dah ctrong baitr c

eG ¡thi u các đi u khi nhí nth d lu

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BBD 0 Ki ntrucbat ng

m" H uh t các chuyên gia phát

D it ng Data Source - Đóng gói ng d ng - Các kĩthu tl p trình ASPNET nâng cao

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"Vid : Dit ngnghi pv : Cacl pbi udi nth cth khach

hang, s nph m, nhan vién

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Bia hy, ‘ot vriversity

“"C©ungc pph ngth ctruy xutd li ut CSDL

thu t truy c pCSDLnh ADO.NET

= Nén d t trong folder App Code

D it ng Data Source - Dong goi ng d ng - Các kĩthu tl p trình ASPNET nâng cao 7

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® Object data source truyc pd li uqual ptruyc pd

li u SQL data source truy c p CSDLtr cti p

=mV icác ngdngnh,s d ng SQL data source mang

| inhi ul ¡ích, không ph ivi t code C#

“mV icác ngd ngÌ n, nên thi tk theo ki ntruc ba

t ng Do do, néns d ng ObjectDataSource

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D it ng Data Source - Đóng gói ng d ng - Các kĩthu tl p trình ASPNET nâng cao 10

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BGG Thi tk

=" T ch c ngd ng trên theo ki n trúc bat ng,s d ng

di u khi n ObjectDataSource d thao tác v ¡ CSDL

® [ ng trình bày: Web Form Default.aspx

# Hai đi u khi n objectDatasource

"Hai di ukhi n bu cd_ l¡ u (drop-down list và datalist)

® [ ng trung gian: L p truy c p CSDL ProductDB, | p nghi p

CSDL

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D it ng Data Source - Dong goi ng d ng - Các kĩthu tl p trình ASPNET nâng cao

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= Them ObjectDataSource, ch dnh CategoryDB lal ptruyc p

d li u cho ObjectDataSource nay

=" Lién k t ObjectDataSource v i cac di u khi n

® ihêm ch cnăng c pnh td li uchodi ukhin

® ki m soát | ¡ thao tác v ¡ CSDL

“Vị tmãx lýs ki n cho cács ki n ltemlnserted

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<add name="HalloweenConnectionString" connectionString="Data

Source=localhost\sqlexpress;Initial Catalog=Halloween; Integrated Security=True" providerName="System.Data.SqlClient"/>

</connectionStrings>

D it ng Data Source - Đóng gói ng d ng - Các kí thu tl p trình ASPNET nâng cao 14

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Dit ng Data Source - Đóng gói ng d ng - Các kĩthu tl p trình ASPNET nâng cao

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8B -»

= Khai bao cacthu ctinht ng ngv icácc tÌ yt

CSDL va cac ham get, set c acacthu ctinh nay

public class Category

{

private string categoryID;

private string shortName;

private string longName;

public string CategoryID

{

get { return categoryID; }

set { categoryID = value; }

public string ShortName

get { return longName; }

set { longName = value; }

}

public Category()

D ii ng Data Source - Dong gói ng d ng - Các kĩthu tl p trình ASPNET nâng cao 16

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a8 , FptUniversity

“ Cungc pcácph ngth ctruy xu t, thêm, c pnh t,

xoad li uvatr v ki ud it ng DataOblect cho đi u khi n ObjectDataSource

®D ch dnh CategoryDB la! p truy c p CSDL

=Thém dong [DataObject(true)] vaotr cddng khai bao

Ip

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FPT POLYTECHNIC L p truy c p CSDL CategoryDB

=" Cacph ngth cc aCategoryDB

®*Lychuiktnid = cl u trong file web.config

private static string GetConnectionString()

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FPT POLYTECHNIC L p truy c p CSDL CategoryDB

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List<Category> categoryList = new List<Category>();

SqlConnection con = new SqlConnection(GetConnectionString());

string sel = "SELECT CategoryID, ShortName, LongName "

+ “FROM Categories ORDER BY ShortName”" ;

SqlCommand cmd = new SqlCommand(sel, con);

con.Open();

SqlDataReader dr = cmd ExecuteReader (CommandBehavior C1oseConnection);

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string ins = "INSERT INTO Categories "

+ " (CategoryID, ShortName, LongName) "

+ " VALUES(@CategoryID, @ShortName, @LongName)";

SqlCommand cmd = new SqlCommand(ins, con);

cmd.Parameters.AddwithValue("CategoryID", category.CategoryID) ; cmd.Parameters.AddwWithValue("ShortName", category.ShortName) ; cmd.Parameters.AddwWwithValue("LongName", category.LongName) ; con.Open();

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string up = "UPDATE Categories "

+ "SET ShortName = @ShortName, "

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string del = "DELETE FROM Categories "

+ "WHERE CategoryID = @CategoryID "

+ "AND ShortName = @ShortName "

+ "AND LongName = @LongName ";

SqlCommand cmd = new SqlCommand(del, con);

cmd.Parameters.AddwithValue("CategoryID", category.CategoryID) ; cmd.Parameters.AddwWithValue("ShortName", category.ShortName) ; cmd.Parameters.AddwithValue("LongName", category.LongName) ; con.Open();

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c p CSDL trong cac tab

SELECT, INSERT Previene | Nest» } | Tinh | | Carel |

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Add New Column

Enable Paging

Enable Editing Enable Deleting Enable Selection

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ago Fpt University

FPT POLYTECHNIC Ma aspx c a Object data source

<asp:ObjectDataSource ID="ObjectDataSourcel" runat="server"

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8B ‹ Them ch cnang PPE POLYTECHNIC c pnh td li uchodi ukhi n

= Thém cac button edit, delete cho GridView

= Thém button Insert cho Details

=m) tch d m cdnhcho DetailsView la Insert (gan

thu c tinh DefaultMode = Insert)

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a8 ir Fpt University

m ihêm s ki n RowUpdated, RowDeleted cho GridView

= Thems_ ki nItemlnserted cho DetailsView

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8b Fpt University

protected void GridView1_RowUpdated(

Object sender, GridViewUpdatedEventArgs e)

= "A database error has occurred.<br /><br />" +

= "Another user may have updated that category.’

+ "<br />Please try again ;

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8b Fpt University

protected void GridView1_RowDeleted(

object sender, GridViewDeletedEventArgs e)

+ e.Exception.InnerException.Message;

e.ExceptionHandled = true;

}

else if (e.AffectedRows == @) lblError.Text = "Another user may have updated that category "

+ "<br />Please try again ;

}

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8b Fpt University

rrrrorrrrcmicPh ngth cx lýs ki nlteml nserted

protected void DetailsView1_ TtemTnserted(

object sender, DetailsViewInsertedEventArgs e)

+ e.Exception.InnerException.Message;

e.ExceptionHandled = true;

} }

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® [ri n khai Xcopy

® [ri n khai t¡ n biên dch

® [ o Web Setup Project

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GD viv

= Copy toanb Filengu nc a ngd ngt | Server

= Hai cach tri n khai Xcopy

®S dng! nh Xcopy

®S dng! nh Copy Web site trong Visual Studio

=" Ph ng pháp này th chi nkhad

m[ih ngdungd † ob ncopyc a ngd ng trên các

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GD viv Demo

=" M website trong visual studio

= Ch n Copy Web Site trong menu Website

= Click vao Button Connectd m h ptho i Open Web

site d ch nv tricopy filed n

=» Ch ncac File mu ncopy vas d ng button -> d copy

file

` penne [aeons — mann arene F ế | cù Local Internet Information Server

E | Fite Select the Web site you want to opzn ba x

VẬN Senne Wet nile [a] [x] a] Reermenle Wists site: [a F GH Luce! Web Servers

3 Anak AÑ sil S⁄i-lin ShiecflatsSnuersTo< = 4 #Ÿ Dris-lI Vách Site

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8B -» NN llll

=» Biên dch các trang c a ngd ng, sau đó các file

assembly ti n bien dch d c copy t† | server

= Hai cach tri n khai ti n bién dch

®S dng! nh Publish Web Site trong Visual Studio

®S dng! nh aspnet_compilert c as dong! nh

= Tri n khai ti n bién dch conhi u udi mh ntri n khai

Xcopy

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a8 a Fpt University Demo

= Trong Visual Studio Ch n Publish Web Site trong menu

Build

Target Location: (ftp:// , http:// or drive:\path)

g\Documents\Visual Studio 2010\Projects\ ObjectDataSourceT est\PrecompiledWeb\ ObjectDataSource est

Allow this precompiled site to be updatable

N uch ncheckbox, cac

- - - file ngu ns đ ctri n

EF Emit debug information khai cùng các file có th

Use fixed naming and single page assemblies

Enable strong naming on precompiled assemblies th cthi

@ Use a key file generated with the Strong Name tool

Key file location:

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GD viv

mPh ngphapnayt oram tb cài theo chu n

Windows,s d ngớ cài đt ngd ng Web lênm t

I IS Server

=S d ngkhitri nkhaim t ngd ng trên nhi u server

# Phién b n Visual Web Developer Express khong h tr

ph ng phap tri n khai nay

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8B -» Demo

=" Ch n File -> Add -> New Project d hi nth h ptho |

Add New Project

|] Installed Templates » Setup Project Setup and Deployment Type: ype: Setup uP anaweproymen and Deployment

| Visual C# Create a Windows Installer web projectto |

i Other Languages : which files can be added

4 Other Project Types Web Setup Project Setup and Deployment

4 Setup and Deployment InstallShield LE 2 | Merge Module Project Setup and Deployment

Visual Studio Installer

Extensibility | La Setup Wizard Setup and Deployment Database

Modeling Projects a] CAB Project Setup and Deployment Test Projects

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8B - Demo

=" Trongc as_ Solution Explorer, nh nchu t ph i vao Web Setup Project ch n Add -> Project Output

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="B cait oran mtrongth m c Debug ho c Realease

c a Web Setup Project, g m 2 file

® Setup.exe: File ch y

“mÐĐ caid t ngd ng Web, Copy file Setup.exe va

Setup.msi t i server vach y file setup.exe

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GD viv

FPTPOLYTECHNIC Ƒ OVà€ uhinhth m c otrong lIIS

mU) Clientcóth truyc pđ n server, các file ng d ng

ph iđ ccopyd nth mcg cc a Web server

(C:\inetoub\wwwroot)

=D Client coth truyc pd nm t website khong n m

trongth m cgc,tat om tth mec otrong lIS ở

tr t ith m cch a các file c a website

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ago Fpt University

D © mì O

FPTPOLYTECHNIC T OVäC€ uhìnhth m c otrong lIS7

=Cacb ct ovac uhinhth mc o

®*T oth moc _ o (Virtual Directory) trong IIS

®*Chuy nth mc othanh ngd ng

®C uhinh xacth c

® T o Application Pool

® Gan Applicaton Pool cho ng d ng

® Kich ho t directory browsing

eThi tl ptrang ch ym cdnh

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a8 , Fpt University

De m O

“m[ oth mec o trong lIS

«®M IIS: Vao Run -> Inetmgr -> OK

® Site -> Default Web Site Nh n chu t ph ich n Add

Connect as

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8B -» Demo FPT POLYTECHNIC Tovàc uhìnhth mc o trong IIS7

“m Chuy nth m c othành ng d ng

®Nh n chu tph ivàoth m c o trén IIS GO see ee nes File View Help

nl Add Virtual Directory

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8B -5 Demo

FPT POLYTECHNIC

=» C u hình xácth c

® Ch n Authentication trong vung giao di n chinh

® Thay d itr ng thai Enable/Disable

we 2N — |

c - lø] nñee.=+ 2 my

Sontrets Cniech

mr

; & @ jd a & & A

au ^.:n:zmhc Comensser L+f:.IE -€rtorv - EF'2*212q +inđ:r

Reepan Cse* ng F tra:

Man geet

Contigurate Ets

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d i ldentity c a Application Pool thanh Local System

Internet Information Services (IS) Manager III NI

CC) 4) >» HAHA >» Application Pools

Ỉ TH '

| | User? True

= - Mai Worcer Processes 1

VirtaulDirectoryTest| | bunne Enabled '

| Tine Mi Rrernase Time TẾ

iny Petivd (ecend Shutecan Tire Li sera 3

uong) | -NET Framework version:

: a B, Add Application Pool | | NET Framework v4.0.30319 |

4-@ Default Web Si) Refresh

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8b Fpt University

D © mì O

FPTPOLYTECHNIC T OVäC€ uhìnhth m c otrong lIS7

= Gan Application Pool cho ng d ng

®Nh n chu tph ¡ vào tênth m c o trong lIS

® Ch n Manage Application -> Advanced Setting

® Ch n Application Pool cho ngd ngt im c Application

Pool trong h p tho | Advanced Setting

|S General

Phys cal Path Credentials

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IL P Logging WI Nodvles utout ecusst = SUL betting

El

£nnfigt:r^*

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& Tavontes SB | Tuggeced Sites +

Bc the most shagedclic gucst at this year's party baby

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