database programming with vb net

... change again If the DSN (Data Source Name) has to be used with SQL Server, which namespace has to be imported ? Trang 6Database connectivity with ADO has 3 main objects: A All of the above B ADODB.Recordset ... initial connection to a database D Specifies which type of database is being used DataSet object contains : Trang 11want to ensure that no user can perform any updates in the database until your ... have code that executes SQL statements on a database within the context of a SQLTransaction You want to ensure that no user can perform any updates in the database until your transaction is complete

Ngày tải lên: 31/03/2017, 15:12

... Data Inserting with Visual C#.NET 439PART I Data Inserting with Visual Studio.NET Design Tools and Wizards 440 6.1 Insert New Data into a Database 4406.1.1 Insert New Records into a Database Using ... develop practical and commercial database programming with Visual C#.NET 2008 and relational databases such as Microsoft Access, SQL Server 2005, and Oracle Database 10 g XE The book provides ... Chatterjee S Farshchi W Reeve Kenneth Moore, Director of IEEE Book and Information Services (BIS) Trang 5Practical Database Programming With Visual C#.NETTrang 6Published by John Wiley &

Ngày tải lên: 26/01/2014, 08:20

... included in the ADO.NET are extended by a suffi x NET, such as OLE DB.NET, ODBC.NET, SQL Server.NET, and Oracle.NET Since most Data Providers discussed in this book belong to ADO.NET, generally we ... released with the NET Framework 2.0 and Visual Studio.NET 2005 Today the updated version of the ADO.NET is 3.5, which is released with the NET Framework 3.5 and Visual Studio.NET 2008 In this ... most object - oriented programming and database applications during the last decade ADO.NET 3.5 is the updated version of ADO.NET, and it is based mainly on the Microsoft NET Framework 3.5 The

Ngày tải lên: 26/01/2014, 08:20

... released with ADO.NET 3.5 and NET Framework 3.5 in Visual Studio.NET 2008 With the help of this new technique, the operational process of the data queries and manipulations with different ... Application, Class Library, ASP.NET Web Service Application, ASP.NET Web Application, or ASP.NET Web Site projects. You can add multiple ADO.NET 3.5 EDM items to the same project, with each item containing ... (ADO.NET 3.5 EF) and ADO. NET 3.5 Entity Data Model Tools are added into ADO.NET 3.5. With these new com- ponents, the contradiction exists between the relational model of data used in databases

Ngày tải lên: 26/01/2014, 08:20

... LINQ to SQL belongs to LINQ to ADO.NET, and it is a subcomponent of LINQ to ADO.NET LINQ to SQL is absolutely imple-mented to the SQL Server database Different databases need to use different LINQ ... to ADO.NET The DataSet, of which we provided a very detailed discussion in Chapter 3 , is one of the most widely used components in ADO.NET, and it is a key element of the disconnected programming ... DataSet is built on the existing ADO.NET 2.0 architecture, the codes developed by using ADO.NET 2.0 will continue to function in a LINQ to DataSet application without modifi cations This is a very

Ngày tải lên: 26/01/2014, 08:20

... Trang 1Database Programmingwith C# CARSTEN THOMSEN Trang 2Database Programming with C#Copyright © 2002 by Carsten Thomsen All rights reserved ... OptimizationRESOURCE NAME DESCRIPTION Network resources When speaking of network resources, I am referring to the actual bandwidth of the network Consider yournetwork setup—whether you are on a ... code-named Yukon, will have support for the NET programming languages Knowing this, perhaps you’ll want to create your stored procedures in C# or VB NET. Trang 13Generally, the objects that a

Ngày tải lên: 27/10/2013, 07:15

... aspnet Programming with ASP.NET Programming with ASP.NET Hà Đồng Hưng Lập trình với ASP.NET 2 Objectives • ASP.NET and the Microsoft® .NET Framework – “Looking back ... Controls • database connections • Classes • properties The Visual Studio NET programming environment The Visual Studio NET programming environment • Toolbox The Visual Studio NET programming ... Editing code (VB.NET, C# …) Running a Project • Toolbar: choosing Start... Architecture • ASP.NET Application – Models • Using Visual Studio NET – Visual demos The Visual Studio NET programming

Ngày tải lên: 11/12/2013, 17:15

... and Actions Within VB.NET 42 VB.NET Properties 42 Adding Properties to a VB.NET Class 43 Using a Class Public Property in VB.NET 45 VB.NET Methods 49 Parameters in VB.NET 49 Adding ... introduces Microsoft NET and Visual Studio 2005 VB.NET and ASP.NET What is an ASP.NET application and what is VB.NET? The journey towards writing an ASP.NET application with VB.NET begins with standing ... all, some definitions: ASP.NET stands for under-Active Server Pages NET, and VB.NET stands for Visual Basic.NET VB.NET, put simply, is a programming language, and ASP.NET is a technology used to

Ngày tải lên: 14/03/2014, 23:20

... Enterprise Development 10 The Database 12 Database Programming with Java 14 Chapter 2 Relational Databases and SQL 16 What Is a Relational Database? 16 Databases and Database Engines 17 An Introduction ... that access relational databases without any thought as to which particular database you Trang 6are using If you have ever had experience programming to more than one database API, you will definitely ... 1.3.1 How Java Interacts with a Database Several important database concepts form the core of this book's discussion This book assumes some basic familiarity with Java and databases You should have

Ngày tải lên: 25/03/2014, 10:41

... academic knowledge and apply it to real-world database programming Database programming in Java, however, is vastly different from the kind of database programming required in the more common, non-OO ... for distributed systems programming and thus works in a new way with relational databases This section introduces an architecture on which you can base object-oriented database applications and ... element of JDBC to cover—distributed transactions All database access you have dealt with so far involves transactions against a single database In this environment, your DBMS manages the details

Ngày tải lên: 12/08/2014, 16:21

... the server Database connectivity becomes an issue hidden within each server object Suddenly, the presentation layer stops caring about where the database is, or if you are even using a database ... is the relational database Here you have arrived at your goal Instead of saving to a file with each change in an object, your objects update the database Although saving to a database is a lot ... directly to the database, then changing eligibility rules essentially means rewriting the application! In addition, your direct database access ties your application to the same data model without regard

Ngày tải lên: 12/08/2014, 16:21

... 1across the network unchanged from its original form As long as you are not concerned with what prying eyes might see, this state of affairs will work just fine for you Encrypting your network communications ... issues can be found in Java Network Programming by Elliotte Rusty Harold (O'Reilly & Associates) Your first task is to decide what sort of socket will handle your network communications In ... Internet Movie Database (IMDB) A film can have many directors and actors Each director and actor can, in turn, be related to many films If your application restored a film from its data store with

Ngày tải lên: 12/08/2014, 16:21

... the enable you to work with a database in optimistic concurrency mode Pessimistic concurrency means that the database will lock data on read and not release that lock without a commit In other ... Under this model, when you query the database, you get the user ID of the last user to make a change and the time the change was made When you update the database with that data, you use that user ... stored in your database, it is what your users see that ultimately matters As you explored in previous chapters, a two-tier application creates copies of database data on the client The database can

Ngày tải lên: 12/08/2014, 16:21

... method is called by a pooled connection whenever a fatal error occurs during communications with a database For example, if the server goes down, the connection needs to notify the pool to discard ... act as factories for providing PooledConnection instances As with the DataSource interface, this class is designed to be registered with a JNDI directory service for applications to look up by ... VARCHAR; } Chapter 12 The JDBC Optional Package Reference Trang 5choose to include this package with their virtual machines If yours does not include the JDBC Optional Package, you can download

Ngày tải lên: 12/08/2014, 16:21

... before you send the statements to the database Communication with the database occurs in one huge burst; the huge bottleneck of stop and go communication with the database is gone bundle a set of ... almost like a method you call in the database Stored procedures have the following advantages: • Because the procedure is precompiled in the database for most database engines, it executes much ... the database, and the subsequent accounts will not have had their interest calculated The account where the error occurred will have an account object whose state is inconsistent with the database

Ngày tải lên: 12/08/2014, 21:20

... SAMPLE DATABASE PROJECT— SELECTWIZARDORACLE WITH ORACLE DATABASE Basically, there is no significant difference between building a C# project with SQL Server database and another C# project with ... professional database programming in the Visual C# 2008 environment, and it is fun to develop a database programming in the template of Windows applications 5.16 Build a Sample Database Project—SelectWizardOracle ... SelectWizardOracle, with the Oracle Database 10g XE as the data source 5.16.1 Create a New Visual C# Project—SelectWizardOracle Now let’s create a new Visual C# project and connect it with the Oracle database...

Ngày tải lên: 17/10/2013, 19:15

... the SQL Server database 344 Chapter Figure 5.106 5.19 Data Selection Query with Visual C# .NET Running status of the Student form QUERY DATA USING RUNTIME OBJECTS TO SQL SERVER DATABASE In the ... server database The Data Source parameter indicates the name of the network computer on which your SQL server or Oracle server is installed and running The Database parameter indicates your database ... Oracle databases using the different data providers First, we discuss the data query for the SQL Server database and then the Oracle database In this section, we use an SQL Server 2005 Express database...

Ngày tải lên: 20/10/2013, 11:15

... Oracle Database 10g Express Edition (Oracle Database XE R2) is an entry-level, small-footprint starter database with the following advantages: 406 Chapter Data Selection Query with Visual C# .NET ... LINQ and Oracle database 5.20.1 Oracle Database 10g Express Edition Release In this section, we use the Oracle Database 10g Express Edition Release (Oracle Database 10g XE R2) as our database provider ... object with the Oracle database 5.20 QUERY DATA USING RUNTIME OBJECTS TO ORACLE DATABASE For your convenience, in this section we will use our sample database CSE_DEPT developed in Chapter with...

Ngày tải lên: 20/10/2013, 11:15

... Practical Database Programming With Visual C# .NET, by Ying Bai Copyright © 2010 the Institute of Electrical and Electronics Engineers, Inc 439 440 Chapter Data Inserting with Visual C# .NET • Insert ... of databases • Use the OleDbDataAdapter to fill a DataSet and a DataTable object with three kinds of databases • Use the OleDbDataReader class to query and process data with three kinds of databases ... DataTable object with three kinds of databases • Use the OleDbDataReader, SqlDataReader, and OracleDataReader class to dynamically read and process data with three kinds of databases • Use LINQ...

Ngày tải lên: 24/10/2013, 09:15

... to with adding a new record into the data table in the database The data tables in the DataSet are only mappings of those real data tables in the database To add this new record into the database, ... added into the database A returned value of zero means that this updating has failed since no new row has been added into the database 482 Chapter Data Inserting with Visual C# .NET SQLInsertWizard.InsertCourseForm ... the Oracle database using the Visual Studio .NET design tools and wizards 6.4 Insert Data into Oracle Database Using Sample Project OracleInsertWizard 489 6.4 INSERT DATA INTO ORACLE DATABASE USING...

Ngày tải lên: 24/10/2013, 09:15