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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Từ khóa: