an example of using the get methods phần 1
Tài liệu An Example of Using the Get* Methods phần 1 pdf
... 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
... 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 28 - 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
... 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 28 - 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 -27 ( -12 8) and 27 - 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
... 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
... 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
... 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
... 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
... 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
... 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
... 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
... 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
... 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
... Notes of 1, 1, 500 of which should bepayable 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, ... respectedLieutenant-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 anyyear 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
... 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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- using the get methods to read column values
- performing a sql select statement and storing the rows locally phần 1
- an example of using the get methods phần 2
- the spotlight window phần 1
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