data access with ado

Tài liệu Module 7: Universal Data Access with ADO 2.5 docx

... objects to access Web-based data 2 Module 7: Universal Data Access with ADO 2.5 # Using ADO 2.5 ! Understanding OLE DB ! The ADO 2.5 Object Model ! Using ADO Objects ADO 2.5 is provided with Microsoft ... Universal Data Access with ADO 2.5 31 # Accessing Web Data ! Using the Internet Publishing Provider ! Accessing Web Resources ! Manipulating Web Resources ! Demonstration: Using ADO to Access the ... the ADO documentation in the MSDN Library Module 7: Universal Data Access with ADO 2.5 Demonstration: Using ADO to Access the Web In this demonstration, you will see how to use ADO code to access...

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Binding Data with ADO.NET

Danh mục: Kỹ thuật lập trình

... hierarchical -data environments The CourseCatalog examples shown above not include hierarchical data Chapter 21 Binding Data with ADO. NET 353 ■■ DataSet This is the wizard-built DataSet instance ... AutoGenerateColumns="False" DataKeyNames="CourseID" DataSourceID="SqlDataSource1" EmptyDataText="There are no data records to display."> Chapter 21 Binding Data with ADO. NET 361 The DataContext attribute defines the data source for all...

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Tài liệu Accessing data with ADO.NET ppt

Danh mục: Kỹ thuật lập trình

... also use ADO. NET as a hierarchical, disconnected data cache to work with data offline Why a new data access technology? • Visual Basic - Data Access Objects (DAO) – designed to communicate with local ... stored within the Recordset to your database • ADO. NET DataSet is comparable in functionality to the ADO Recordset – However, DataSet does not communicate with your database – In order to fetch data ... from your database into a DataSet, you pass the DataSet into the Fill method of a connected ADO. NET object—the DataAdapter NET Data Providers • SQL Client NET Data Provider – communicate with SQL...

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CÁC ĐỐI TƯỢNG TRUY CẬP DỮ LIỆU (DATA ACCESS OB

Danh mục: Kỹ thuật lập trình

... cần khai báo đối tượng Database Chẳng hạn như: Dim Set db As db = Database OpenDatabase(" \ \baigiang.mdb") Cú pháp đầy đủ phương thức OpenDatabase: Set database = OpenDatabase (dbname, options, ... đối tượng Database sau: Dim db As Database Đối tượng Database có nhiều phương thức, ta xét qua phương thức quan trọng cho phép ta thao tác với sở liệu II.1.1 Sử dụng phương thức OpenDatabase để ... OpenDatabase để tạo đối tượng Database Ta dùng phương thức OpenDatabase phép đối tượng Database tham khảo đến sở liệu cụ thể, đối số bắt buộc phương thức chuỗi, kết trả đối tượng Database, trước sử dụng...

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Data Access Layer

Danh mục: Kỹ thuật lập trình

... repetition of database access code (see Listing 8–3) The NET Framework provides the ADO. NET services for accessing databases without tying code to a specific vendor The class will require a database ... success; } 173 CHAPTER ■ DATA ACCESS LAYER private void DisconnectFromDatabase() { if (_databaseConnection.State != ConnectionState.Open) { _databaseConnection.Close(); } } private IDataReader ExecuteReadCommand(IDbCommand ... command) { IDataReader dataReader = null; if (_databaseConnection.State == ConnectionState.Open) { dataReader = command.ExecuteReader(); } return dataReader; } private User CreateUserFromReader(IDataReader...

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Data Access and Networking

Danh mục: Kỹ thuật lập trình

... CHAPTER ■ DATA ACCESS AND NETWORKING ... /> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn>

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Introduction to Data Access

Danh mục: Kỹ thuật lập trình

... INTRODUCTION TO DATA ACCESS Listing 5-7 Saving the Registration of a New Player private NewsletterSubscriptionDataAccess subscriptionDataAccess; private MembershipDataAccess membershipDataAccess; public ... java.sql.SQLException; public class NewsletterSubscriptionDataAccess { private DataSource dataSource; public void setDataSource(DataSource dataSource) { this.dataSource = dataSource; } public void addNewsletterSubscription(int ... NewsletterSubscriptionDataAccess subscriptionDataAccess; public void subscribeMemberToNewsletter(Member member, String email) throws MyDataAccessException { subscriptionDataAccess.addNewsletterSubscription(member.getId(),...

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Data Access

Danh mục: Kỹ thuật lập trình

... Page 229 CHAPTER I DATA ACCESS Class Description System .Data. Common.DbDataAdapter This class is used to fill a DataSet class with data from a relational database System .Data. DataSet An in-memory ... CHAPTER I DATA ACCESS system .data windows system.webServer mscorlib system .data. oledb system .data. oracleclient system .data. sqlclient configProtectedData satelliteassemblies system .data. dataset ... "Microsoft.Practices.EnterpriseLibrary .Data. dll";; open System open Microsoft.Practices.EnterpriseLibrary .Data let database = DatabaseFactory.CreateDatabase() 7575Ch09.qxp 4/27/07 1:05 PM Page 223 CHAPTER I DATA ACCESS let...

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Module 5: Reading and Writing XML with ADO.NET

Danh mục: Cơ sở dữ liệu

... the same data by using relational techniques or XML techniques Synchronizing an XmlDataDocument with a DataSet Technical Notes: Point out that you must synchronize a DataSet with an XMLDataDocument ... How can you this? First, load the data from the database into a DataSet Next, create an XmlDataDocument object and synchronize it with the DataSet Use the XmlDataDocument as the information source ... How can you this? First, load the data from the database into a DataSet Next, create an XmlDataDocument object and synchronize it with the DataSet Use the XmlDataDocument as the information source...

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Module 9: The Transactional Data Access Layer

Danh mục: Chứng chỉ quốc tế

... Module 8, “The Nontransactional Data Access Layer”: ! Microsoft Data Access Components (MDAC) ! OLE DB ! ActiveX® Data Objects (ADO) ! Record ! Stream ! Cursor Service ! Data Shaping Service ! XML ... modules that focus on the data access layer (DAL) In Module 8, “The Nontransactional Data Access Layer,” you learned about data retrieval In this module, you will learn about data manipulation After ... DAL: Module 8, “The Nontransactional Data Access Layer” and Module 9, “The Transactional Data Access Layer.” The DAL is an application’s means of access to data services After completing this...

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Tài liệu java Data Access JDBC, JNDI, and JAXP pptx

Danh mục: Kỹ thuật lập trình

... Getting Started with Java Data Access Chapter List Chapter 1: Introducing Java Data Access Development Chapter 2: A Relational Database Primer Chapter 1: Introducing Java Data Access Development ... ResultSetMetaData objects 135 Using ResultSetMetaData objects 135 ResultSetMetaData example 136 The DatabaseMetaData Interface 140 Creating DatabaseMetaData ... protect against data loss or corruption Relational databases are the most Chapter 1: Introducing Java Data Access Development widely used database system • Hierarchical database — Stores data in records...

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Tài liệu Module 3: Accessing Exchange 2000 Data by Using ADO 2.5 doc

Danh mục: Chứng chỉ quốc tế

... present the Universal Data Access strategy Lead-in ADO The Universal Data Access strategy uses Microsoft Data Access Components (MDAC) to access data These components include OLE DB, ADO, RDS, and ODBC ... Exchange 2000 Data by Using ADO 2.5 # Using ADO 2.5 to Access Exchange 2000 Data Topic Objective To list the topics related to using ADO 2.5 to access Exchange 2000 data ! Standard ADO 2.5 Objects ... Module 3: Accessing Exchange 2000 Data by Using ADO 2.5 Lab A: Accessing Exchange 2000 Data Using ADO Topic Objective To introduce the lab Lead-in In this lab, you will use ADO to access data in...

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Tài liệu Bài 6: Data Access and Viewingwith .NET docx

Danh mục: Kỹ thuật lập trình

... Mục lục ADO. NET Overview Using Database Connections Commands Quick Data Access: The Data Reader Working with DataSet Viewing NET data Example Data Access and Viewing with NET Editor: ... Add data table vào data set cách thêm vào thuộc tính Tables data set Data Access and Viewing with NET Editor: Đoàn Quang Minh Đoà 10 Working with DataSet – Example DataSet ds = new DataSet(); DataTable ... trường web Data Access and Viewing with NET Editor: Đoàn Quang Minh Đoà Working with DataSet DataSet: – Có tác dụng giống CSDL offline: Trong DataSet chứa DataTable, DataRelation,… DataSet xây...

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Tài liệu 22.4. Remote Access with SSH ppt

Danh mục: Hệ điều hành

... name (as you're known on the Mac you're tapping into), and replace the phony IP address shown here with your real public address (If your Mac back home has a domain name unto itself, such as macmania.com, ... office-mac:~ chris$ kill 283 Or if you're sure of the program's exact name, just use the killall command with the program's name instead of its process ID To handle a stuck Finder, you would type this:...

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Tài liệu Querying Data Asynchronously with Message Queuing docx

Danh mục: Kỹ thuật lập trình

... ConfigurationSettings.AppSettings["Sql_ConnectString"]); // Fill the Customer table in the DataSet with customer data DataSet ds = new DataSet( ); da.Fill(ds, "Customers"); // Create the result queue if it does ... ); // Create a DataAdapter to retrieve data for the specified customer String sqlText = "SELECT * FROM Customers WHERE CustomerID='" + customerId + "'"; SqlDataAdapter da = new SqlDataAdapter(sqlText, ... System.Messaging; using System .Data; using System .Data. SqlClient; private const String QUEUENAMEQUERY = @".\Private$\adodotnetcb0222query"; private const String QUEUENAMERESULT = @".\Private$\adodotnetcb0222result";...

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Tài liệu Java Data Access—JDBC, JNDI, and JAXP ppt

Danh mục: Kỹ thuật lập trình

... Getting Started with Java Data Access Chapter List Chapter 1: Introducing Java Data Access Development Chapter 2: A Relational Database Primer Chapter 1: Introducing Java Data Access Development ... ResultSetMetaData objects 135 Using ResultSetMetaData objects 135 ResultSetMetaData example 136 The DatabaseMetaData Interface 140 Creating DatabaseMetaData ... protect against data loss or corruption Relational databases are the most Chapter 1: Introducing Java Data Access Development widely used database system • Hierarchical database — Stores data in records...

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Tài liệu Activity 9.4: Identifying Data Access Requirements ppt

Danh mục: Tin học văn phòng

... 74 Activity 9.4: Identifying Data Access Requirements Exercise 1: Identifying a Data Access Method for a Scenario (10 minutes) ! Identify data access requirements Participate in small ... scenario below Identify which data access method best meets the needs of the scenario Write your answers below After completing the above steps, you will discuss your responses with the class The instructor ... Scenarios A All data for a new order entry system is going to be stored in Microsoft® SQL Server™ and accessed by Microsoft Excel for querying and by the Web system for additional lookups All data is...

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Tài liệu Module 8: The Nontransactional Data Access Layer doc

Danh mục: Hệ điều hành

... Business Logic Layer Data Access Layer Transactional DAL Data Services Nontransactional DAL The data services store and manage all of the data used by the system Access to the data services requires ... non-hierarchical data In this section, the following data access technology topics will be covered in detail: ! Microsoft Data Access Components (MDAC) ! OLE DB ! ActiveX™ Data Objects (ADO) ! Record ... Nontransactional Data Access Layer ActiveX Data Objects Topic Objective To provide an overview of ADO Lead-in In this topic, you will learn about the architecture of ADO ! ADO Object Model ! ADO Programming...

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Tài liệu Processing With Adobe Photoshop 7.0 ppt

Danh mục: Thiết kế - Đồ họa - Flash

... Adobe Photoshop 7.0 128- - Mở file "saxierlerts.jpg", kéo lớp vào file target.psd layer copy - Vào menu Layer\ Group with Previous để group lớp - Chọn công cụ Type để nhập chữ "COME PARTY WITH ... Highlight Mode = Screen, chọn màu trắéng Chọn Shadow Mode = Adobe Photoshop 7.0 144- Multiply, chọn màu đỏ Chọn Style = Emboss, Depth = 10 , chọn Up, chọn OK Adobe Photoshop 7.0 145- Bµi tËp - RETOUCH ... Style = Inner Shadow, Depth = 5, chọn Up - Nhấn Ctrl + D để bỏ chọn - Khi tạo xong khung hình nghệ thuật, chọn Layer\ Flatten Image để làm phẳng file lưu với tên "rose3.jpg" Adobe Photoshop...

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Tài liệu Using Webobjects With Adobe Golive 5.0 pdf

Danh mục: Thiết kế - Đồ họa - Flash

... WebObjects with Adobe GoLive This manual describes Adobe® GoLive™ support for WebObjects®, a powerful development environment for creating dynamic Web pages General Adobe GoLive comes with an easy-to-use ... can be built and ﬁlled with content dynamically, depending on input from the visitor ADOBE GOLIVE 5.0 46 Using WebObjects with Adobe GoLive Frame sets and frames created with any of the WOFrames ... the WebObjects Declaration Editor tab ( ) of the main document window ADOBE GOLIVE 5.0 Using WebObjects with Adobe GoLive As with the Source editor, the WebObjects Declaration Editor supports color...

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