an example of using the get methods phần 1
Tài liệu An Example of Using the Get* Methods phần 1 pdf
Ngày tải lên :
24/12/2013, 01:17
... An Example of Using the Get* Methods
Let's take a look at an example that reads the ProductID, ProductName, UnitPrice,
UnitsInStock, and Discontinued columns from the Products table using ... the type of the database column. If you
don't know the type of a column, you can get it using Visual Studio .NET's Server
Explorer. For example, Figure 9 .1
shows the details of the ... you how to get the .NET type and database type
of a column using C#. You get the .NET type used to represent a column using the
GetFieldType() method of your DataReader object. For example:
Console.WriteLine("ProductID...
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Tài liệu An Example of Using the Get* Methods phần 2 docx
Ngày tải lên :
24/12/2013, 01:17
... Server, always use the GetSql* methods and Sql* types rather
than the Get* methods and the standard C# types. I showed you the Get* methods
earlier only because they work with non-SQL Server ... precision and scale numeric value between -10
38
+ 1 and 10
38
- 1.
SqlDouble A 64-bit floating-point number between -1. 79769 313 486232E308 and
1. 79769 313 486232E308 with 15 significant figures of ... either a 1 or 0 value.
SqlByte An 8-bit unsigned integer value between 0 and 2
8
- 1 (255).
SqlDateTime A date and time between 12 :00:00 AM January 1, 17 53 and 11 :59:59 PM
December 31, 9999....
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Tài liệu Using the Get* Methods to Read Column Values doc
Ngày tải lên :
24/12/2013, 01:17
...
Using the Get* Methods to Read Column Values
Before I show you the other Get* methods that read column values, you need to know the
standard C# types and the values they support. ... integer between 0 and 2
8
- 1( 255).
char Char A 16 -bit Unicode character.
DateTime DateTime A date and time between 12 :00:00 AM January 1, 00 01 and
11 :59:59 PM December 31, 9999.
decimal ... integer between -2
7
( -12 8) and 2
7
- 1 (12 7).
short Int16 A 16 -bit signed integer between -2
15
(-32,768) and 2
15
- 1
(32,767).
string String A variable-length string of 16 -bit Unicode characters....
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Tài liệu The HKEY_LOCAL_MACHINE Key phần 1 ppt
Ngày tải lên :
14/12/2013, 10:15
... services, and on operating
system behavior.
Note You can read the information contained in any of these subkeys, but it only makes
sense to edit the contents of the Software and System ...
drivers. For example, how does the registry store information on the video drivers? Fig.
7.4 shows an example illustrating the contents of the VIDEO subkey under the
DEVICEMAP key (the information ... objects of special types. The registry root key is the object of the Key type
named REGISTRY. In the DDK (Device Driver Kit) documentation, the names of all the
registry keys begin with the \REGISTRY...
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Tài liệu The Spotlight Menu phần 1 doc
Ngày tải lên :
14/12/2013, 10:15
... the rest of the stuff. But for now, note that you can eliminate some of
the categories that show up here (like PDF Documents or Bookmarks), and even
rearrange them, to permit more of the other ... you can turn on indexing by
using the File Get Info command on that drive's icon and turning indexing on
manually.
Tip: In Leopard, Spotlight can even find words inside of files on other ... actually looks inside the files. It can actually read and search the
contents of text files, RTF and PDF documents, and documents from iWork,
Keynote, Pages, Photoshop, and Microsoft Office (Word,...
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Tài liệu The Spotlight Window phần 1 doc
Ngày tải lên :
14/12/2013, 10:15
... you'll use the second row of controls at the top of
the window.
And third, and fourth, and fifth. Each time you click one of the + buttons at the right end
of the window, a new criterion ... with the letters Cro, is over one megabyte in size, was
created after 10 /1/ 07 but before the end of the year, was changed within the last week,
has the file name suffix .doc, and contains the ... inside the files, for example. If
they're any other kind of computer, Spotlight can only search for files by name.
Tip: If the object of your quest doesn't show up, you can adjust the...
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Tài liệu Performing a SQL SELECT Statement and Storing the Rows Locally phần 1 docx
Ngày tải lên :
24/12/2013, 01:17
...
SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
Step 5: Set the CommandText Property of the SqlCommand Object to the SELECT
String
Set the CommandText property of your SqlCommand object ... name. For example: server=localhost.
•
The name of the database. You set this in the database part of the string. For
example: database=Northwind.
•
The name of the user to connect to the database ... this in the uid part of
the string. For example: uid=sa.
•
The password for the database user. You set this in the pwd part of the string. For
example: pwd=sa.
Note Typically, your organization's...
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Customizing a Network Using the Registry phần 1
Ngày tải lên :
07/11/2013, 08:15
... make many discoveries and
invent many new ways of customizing network settings.
The remaining sections of this chapter will describe various methods of customizing
network settings using the ... understand how network settings are stored in the registry, and how
these settings are related to the data displayed by Control Panel applets. This topic is one
of the most interesting ones, and ... potential dangers of exposing the system to additional risks.
To modify the default settings for Remote Desktop, proceed as follows:
1. Open the Control Panel, start Administrative Tools, then select...
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Tài liệu Using Stored Procedures to Add, Modify, and Remove Rows from the Database phần 1 pdf
Ngày tải lên :
14/12/2013, 13:15
... DataSet.
Before you can push changes to the database, you must set the InsertCommand,
UpdateCommand, and DeleteCommand properties of your DataAdapter with Command
objects. These Command objects will ... deleted'
)
By using SET NOCOUNT ON before the INSERT, only the number of rows affected by
the DELETE statement is returned, and the DataAdapter therefore gets the correct value.
Transact-SQL also ...
Listing 11 .6: DELETEPRODUCT.SQL
/*
the InsertCommand, UpdateCommand, and DeleteCommand properties will contain
Command objects that call the stored procedures shown earlier.
First, the following...
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Tài liệu Using the Data Form Wizard to Create a Windows Form phần 1 pdf
Ngày tải lên :
24/12/2013, 01:17
... completed form up and running. Notice that the top part of the form shows the
details for the row from the Customers table where the CustomerID is ALFKI; the bottom
part of the form contains ...
to the CustomerID column of the Customers table (CustomerID is the primary key for the
Customers table). The use of the foreign key defines a parent-child relationship between
the Customers and ... shows the tables and views you can access using your
form. The area on the bottom right shows the tables and views you've added. You add a
table or view to your form by selecting it from the...
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Tài liệu Methods of Restricting Registry Access phần 1 ppt
Ngày tải lên :
21/01/2014, 04:20
... forget to remove all such shortcuts, otherwise users will
be able to find them with the Search command. Also, don't forget that the Start
menu contains the Run command, and setting the ... which can hold 8 Mb - 1 GB of data that can be instantly accessed
from any PC with a USB port. As was outlined in Chapter 2
, the introduction of
these devices into corporate networks offers ...
CD-ROM, and many other PnP devices.
Using Software Restriction Policies
The ability to use Software Restriction Policies is a new feature of Windows XP and
Windows Server 2003. Software Restriction...
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Tài liệu Using the Drawing Methods doc
Ngày tải lên :
21/01/2014, 13:20
... 11 .
12 . var x:Number = _root._xmouse;
13 .
14 . var y:Number = _root._ymouse;
15 .
16 . _root.holder_mc.lineTo(x, y);
17 .
18 . }
19 .
This function will eventually be called by the onMouseMove ... things occur. The current x and y positions of the mouse
are recorded as the values of the x and y variables, respectively. These values are
then used in a moveTo() action to move the beginning ...
9.
10 . };
11 .
When the mouse button is released, we set the value of down to false. When down
is false, no lines are drawn.
5. Add the following two lines of script at the end of the current...
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Tài liệu An Example of Communal Currency pdf
Ngày tải lên :
17/02/2014, 19:20
... Notes of 1, 1, 500 of which should be
payable on 15 th April, 18 17, or any Saturday after by the Receiver of the Duty, 1, 250 on 15 th October, 18 17,
and 1, 250 on 15 th April, 18 18.
"In this manner, ... respected
Lieutenant-Governor Major General Ross for the correctness of their statement, and for the situation of the
Island. They have the approval of their fellow-subjects and of their conscience, but they ... out of the produce of the tax in any
year after defraying the expenses of roads and embankments and unforeseen contingencies. And that the
States of the said Island do not exceed in any case the...
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Securing Britain In An Age Of Uncertainty: The Strategic Defence And Security Review doc
Ngày tải lên :
06/03/2014, 06:21
...
extending their reach and endurance. The strategic air transport fleet will be enhanced with the
44 The Strategic Defence and Security Review
increase the eectiveness of the response in the
event of ... Afghanistan remains the main eort of Defence.
We have in the region of 9,500 members of the
Armed Forces operating in Afghanistan as part of
a UN-mandated, NATO-led mission of 47 nations.
They ... Atlantic Islands, based on the Falkland Islands
and Ascension Island and maintaining a regular presence in South Georgia and South Sandwich
Islands; and on Diego Garcia in British Indian Ocean...
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