Beginning VB 2008 Databases From Novice to Professional phần 5 docx

... project to CommandSql. Rename the Module1 .vb file to CommandSql .vb, and replace the generated code with the code in Listing 11-1. 1 85 CHAPTER 11 9470ch11final.qxd 3/3/08 5: 17 PM Page 1 85 Simpo ... to display connection information. 1. Add a VB. NET Console Application project named ConnectionDisplay to the Chapter10 solution. 2. Rename Module1 .vb to ConnectionDisplay .vb...

Ngày tải lên: 12/08/2014, 10:21

... ADO.NET 3 .5. To work with ADO.NET 3 .5 features, you need to have ADO.NET 3 .5 Entity Framework (ADO.NET 3 .5 EF) and ADO.NET 3 .5 Entity Framework Tools. This chapter will introduce you to the ADO.NET 3 .5 ... source name (DSN), 158 Data Source parameter, 176 data source, propagating changes to, 244– 258 command builders, 255 – 258 DeleteCommand property, 252 – 254 InsertCo...

Ngày tải lên: 12/08/2014, 10:21

... who wants to interact with databases using VB 2008 and development tools. What This Book Covers This book covers Visual Studio 2008, SQL Server 20 05, VB 2008, LINQ, and ADO .NET 3 .5. All these tools ... every VB programmer needs to know how to access data. This book specifically covers how to interact with SQL Server 20 05 databases using VB 2008. This book also c...

Ngày tải lên: 12/08/2014, 10:21

... , Row_Number() over (Partition by TerritoryID order by CustomerID) as [RowCount] from Sales.Customer Where TerritoryID in (1,2) AND CustomerID Between 1 and 75 Figure 4-7. U sing the PARTITION ... orders can belong to one cus- tomer . Here, Customers is referred to as the par ent table , and Orders is the child table in the relationship. CHAPTER 3 ■ GETTING TO KNOW RELATIONAL DAT...

Ngày tải lên: 12/08/2014, 10:21

... don’t have to be. If you work with another version of SQL, please refer to its documentation for specifics. In addition to these operators, the LIKE operator (see Table 5- 2) allows you to match ... teaching you how to write stored procedures, but how to use them in VB .NET. However, we’ll show you how to modify and delete stored procedures in the remainder of this chapter. M...

Ngày tải lên: 12/08/2014, 10:21

... you’ll ever need to know. At any rate, this chapter will give you what you need to know to start experimenting with it. Try It Out: Creating a Table to Store XML To create a table to hold XML documents, ... T-SQL Here, you’ll code a transaction to both add a customer to and delete one from the Northwind Customers table. The Customers table has eleven columns; two columns, Cu...

Ngày tải lên: 12/08/2014, 10:21

... <asp:Content> </asp:Content> tags (see Figure 15- 15) . Figure 15- 15. Child form displaying Master Page settings with controls CHAPTER 15 ■ BUILDING ASP.NET APPLICATIONS 309 9470ch15final.qxd 3/ 15/ 08 2:44 PM Page 309 Simpo ... shown in Figure 15- 9. 5. Click the pop-up message to synchronize Source view and Design view. This causes the changes made to the code to be re...

Ngày tải lên: 12/08/2014, 10:21

... property to True, which is set to False by default. 6. Drag a Label control from the Toolbox to below the TextBox and set its AutoSize prop- erty to False. Also, set the Label’s Font Size property to ... Form1 .vb to Events .vb, and also modify the Text property of the form to Events. 2. Open the Toolbox and drag a Button control over to the form. Select the Button con- tr...

Ngày tải lên: 12/08/2014, 10:21

... something you almost never want (or need) to do. You need to be able to store whatever values are appropriate at any given time. There are two approaches to doing this. Both are reasonable, but ... Ctrl+F5. You should see the output in Figure 11 -5, the first and last names of all nine employees. Figure 11 -5. Using a data reader How It Works In this example, you use the ExecuteReader...

Ngày tải lên: 08/08/2014, 18:21

... Huddleston, author of Beginning VB 20 05 Databases: From Novice to Professional Beginning C# 20 05 Databases: From Novice to Professional Beginning Figure 1 -5. Creating the Northwind database This ... Beginner–Intermediate Agarwal, Huddleston C# 2008 Databases The eXperT’s Voice ® in .neT Beginning C# 2008 Databases From Novice to Professional...

Ngày tải lên: 08/08/2014, 18:21