Beginning VB 2008 Databases From Novice to Professional phần 1 pot

... who wants to interact with databases using VB 2008 and development tools. What This Book Covers This book covers Visual Studio 2008, SQL Server 2005, VB 2008, LINQ, and ADO .NET 3.5. All these tools ... Express to attach the AdventureWorks database in SQL Server 2005. Now that you have your tools, it’s time to get acquainted with them. CHAPTER 1 ■ GETTING YOUR TOOLS 13 947...

Ngày tải lên: 12/08/2014, 10:21

... y ou ’ ll inser t your XML documents into xmltest and quer y it to see that they w er e stored. CHAPTER 7 ■ USING XML 11 9 9470ch07final.qxd 2/ 21/ 08 3: 01 PM Page 11 9 Simpo PDF Merge and Split Unregistered ... Centric) T o use FOR XML RAW to tr ansfor m returned rows into XML elements, follow these steps: CHAPTER 7 ■ USING XML 11 3 9470ch07final.qxd 2/ 21/ 08 3: 01 PM Page 11 3...

Ngày tải lên: 12/08/2014, 10:21

... and LINQ James Huddleston, author of Beginning VB 2005 Databases: From Novice to Professional Beginning C# 2005 Databases: From Novice to Professional Beginning Figure 1- 5. Creating the Northwind ... Beginner–Intermediate Agarwal, Huddleston C# 2008 Databases The eXperT’s Voice ® in .neT Beginning C# 2008 Databases From Novice to Professional c...

Ngày tải lên: 08/08/2014, 18:21

... 4-7. select CustomerID, TerritoryID , 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 ... clause. From the result set, you see that order 1 had a minimum unit price of 5 .18 65, a maximum unit price of 2039.994, a total unit price of 14 323. 711 8, and an average unit...

Ngày tải lên: 12/08/2014, 10:21

... Table 5 -1) . Table 5 -1. Comparison Operators Operator Description Example = E quals EmployeeID = 1 < Less than EmployeeID < 1 > Greater than EmployeeID > 1 <= Less than or equal to EmployeeID ... EmployeeID <= 1 >= Greater than or equal to EmployeeID >= 1 <> Not equal to EmployeeID <> 1 != N ot equal to EmployeeID != 1 !< Not less...

Ngày tải lên: 12/08/2014, 10:21

... should see the output in Figure 11 -1. Figure 11 -1. Connecting after creating a command CHAPTER 11 ■ EXECUTING COMMANDS186 9470ch11final.qxd 3/3/08 5 :17 PM Page 18 6 Simpo PDF Merge and Split Unregistered ... CommandSql. Rename the Module1 .vb file to CommandSql .vb, and replace the generated code with the code in Listing 11 -1. 18 5 CHAPTER 11 9470ch11final.qxd 3/3/08 5 :17 PM...

Ngày tải lên: 12/08/2014, 10:21

... error returned from the SqlClient data pr ovider. The severity level is a numeric code that’s used to indicate the nature of the error. Levels 1 to 10 are informational errors; 11 to 16 are user-level ... System.Data.SqlClient 8. Insert the code in Listing 16 -1 into the click event handler for button1. This will pro- vide the first exception. Listing 16 -1. button1_Click() Di...

Ngày tải lên: 12/08/2014, 10:21

... Image) Else Me.TextBox1.Text = "DONE" Me.PictureBox1.Image = Nothing End If 5. Insert the code in Listing 18 -3 into the button1_Click event handler. You can access the button1_click ev ent ... 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 Fo...

Ngày tải lên: 12/08/2014, 10:21

... as, 11 0 11 1 converting relational data to, 11 3 11 8 FOR XML AUTO mode, 11 7 11 8 FOR XML RAW mode, 11 3 11 7 datasets and, 259–262 defined, 10 9 11 0 LINQ to XML, 376 overview, 10 9, 11 0 reasons to use, ... 11 0 reasons to use, 11 0 support for in ADO.NET, 14 4 xml data type, 11 9 12 1 XML declaration, 11 2 11 3 XML documents, 11 1 11 2 xml data type, 11 9 12 1 XML Sc...

Ngày tải lên: 12/08/2014, 10:21

... should see the results in Figure 11 -4. Figure 11 -4. E x ecuting a scalar command CHAPTER 11 ■ EXECUTING COMMANDS 217 9004ch11final.qxd 12 /13 /07 4:09 PM Page 217 Table 10 -2. Continued Name Alias Default ... (rdr.Read()) { Console.WriteLine("Employee name: {0} {1} ", rdr.GetValue(0), rdr.GetValue (1) ); } CHAPTER 11 ■ EXECUTING COMMANDS 2 21 9004ch11final.qxd 12 /13 /0...

Ngày tải lên: 08/08/2014, 18:21