Beginning C# 2005 Databases From Novice to Professional phần 4 potx
Beginning C# 2005 Databases From Novice to Professional phần 4 potx
... Nulls? ProductID (unique) int 4No ProductName nvarchar 40 N o SupplierID int 4Yes CategoryID int 4Yes QuantityPerUnit nvarchar 20 Y es UnitPrice money 8Yes UnitsInStock smallint 2Yes UnitsOnOrder smallint 2 Y es ReorderLevel ... adding to the code as you go. CHAPTER 7 ■ INTRODUCING DATA READERS1 64 777Xch07final.qxd 11/18/06 2 :46 PM Page 1 64 Getting Data About Tables The term schema h...
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Beginning C# 2005 Databases From Novice to Professional phần 10 potx
... form (1NF), 2 74 float data type, 61 FOR XML clause AUTO mode, 44 0 44 1 creating sample data, 43 5 43 7 overview, 43 4 43 5 RAW mode, 43 8 43 9 foreach statement, 47 1, 47 3 foreign keys, 2 64 265. See also ... See also constraints FROM clause, 44 6, 47 1 FROM keyword, 44 FULL OUTER joins, SQL, 311 ■G GetBoolean method, DataReader classes, 156 GetChars method, DataReader cla...
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Beginning C# 2005 Databases From Novice to Professional phần 1 docx
... page count BOOKS FOR PROFESSIONALS BY PROFESSIONALS ® Beginning C# 2005 Databases: From Novice to Professional Dear Reader, Thousands of C# programmers have become database professionals through the ... Pedersen, and Jon Reid Beginning C# 2005 Databases From Novice to Professional CYAN MAGENTA YELLOW BLACK PANTONE 123 CV ISBN 1-59059-777-X 9 781590 5977 74 53...
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Beginning C# 2005 Databases From Novice to Professional phần 2 pot
... through 922,337,203,685 ,47 7.5807 smallmoney decimal Values from -2 14, 748 .3 648 through 2 14, 748 .3 647 Character String Data Types All six T-SQL character string data types map to the C# string type (see ... northwnd. 4. Re-create the Northwind database by running instnwnd.sql with sqlcmd, as described in Chapter 1. CHAPTER 2 ■ GETTING TO KNOW OUR TOOLS 41 777Xch02final.qxd...
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Beginning C# 2005 Databases From Novice to Professional phần 3 ppsx
... Next (see Figure 4- 12). CHAPTER 4 ■ INTRODUCING ADO.NET 87 Figure 4- 11. Specify data source name and SQL Server to connect to Figure 4- 12. Specify SQL Server authentication 777Xch04final.qxd 11/18/06 ... again.) Click OK. CHAPTER 4 ■ INTRODUCING ADO.NET 89 Figure 4- 15. Testing the Northwind data source connection Figure 4- 16. Connection to Northwind is successful 777Xch04...
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Beginning C# 2005 Databases From Novice to Professional phần 5 doc
... Dataset Rows to a Data Source Let’s again modify ModifyDataTable.cs (Listing 8 -4) to delete a row from the database: 1. Add a new C# Console Application project named PersistDeletes to your Chapter08 ... to the database. Try It Out: Propagating New Dataset Rows to a Data Source Let’s propagate a new row to the database, in another variation on ModifyDataTable.cs in Listing 8...
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Beginning C# 2005 Databases From Novice to Professional phần 6 ppsx
... for customer WOLZA from Warszawa to Gdansk. Now click the Save Data button. The new row is now inserted into the Customers table in the database, and the city for WOLZA has been updated too. Close ... Developer 2005 Express Edition is the free IDE for developing W eb a pplica tions with C# or Visual Basic. CHAPTER 9 ■ INTRODUCING DATA BINDING 244 777Xch09final.qxd 11/18/06 2 :42 P...
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Beginning C# 2005 Databases From Novice to Professional phần 7 ppsx
... typically used to pass values between stored procedures, but sometimes they need to be accessed from C#, so let’s write a stored procedure with an output parameter so we can use it in a C# program ... this chapter, we cover: • How to create, modify, and delete stored procedures in SSMSE • How to use stored procedures in C# programs Creating Stored Procedures Stored procedures c...
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Beginning C# 2005 Databases From Novice to Professional phần 8 doc
... you’ll try to insert an invalid new customer and try to delete an undeletable one. 1. Run sp_Trans_Test to add customer a and delete customer ALFKI. The result should appear as in Figure 14- 5. 2. ... Exception"); } CHAPTER 13 ■ HANDLING EXCEPTIONS 342 777Xch13final.qxd 11/18/06 2:36 PM Page 342 begin transaction Add a customer insert into customers ( customerid, companyname ) v...
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Beginning C# 2005 Databases From Novice to Professional phần 9 ppsx
... it easy for you to use ADO.NET XML features if you choose to. The FOR XML clause has four modes: • RAW • AUTO • EXPLICIT • PATH We’ll use the first two in examples to show how to generate XML ... XML 43 5 777Xch17final.qxd 11/18/06 2:32 PM Page 43 5 Summary In this chapter, we covered the basics of handling ADO.NET events. You saw what events are and how to use delegates to bind...
Ngày tải lên: 09/08/2014, 14:20