and remove rows from the database phần 2

... Console.WriteLine("numOfRows = " + numOfRows); Console.WriteLine("myRemoveDataRow.RowState = " + myRemoveDataRow.RowState); } The output from RemoveDataRow() is as follows: In RemoveDataRow() ... step 2: use the Find() method to locate the DataRow DataRow myRemoveDataRow = myDataTable .Rows. Find(productID); // step 3: use the Delete() method to remove the DataRow myUpdateCommand.Parameters.Add( ... "Products"); mySqlConnection.Close(); The int returned by the Fill() method is the number of rows retrieved from the database and copied to myDataSet. The myDataSet object now contains a DataTable...

Ngày tải lên: 14/12/2013, 13:15

... look at how to set the InsertCommand, UpdateCommand, and DeleteCommand properties of your DataAdapter. Using Stored Procedures to Add, Modify, and Remove Rows from the Database You can get ... modify, and remove rows from the database. These procedures are called instead of the INSERT, UPDATE, and DELETE statements you've seen how to set in a DataAdapter object's InsertCommand, ... you then add, modify, or remove DataRow objects from your DataSet, and then call the Update() method of your DataAdapter, the appropriate stored procedure is run to push your changes to the database. ...

Ngày tải lên: 14/12/2013, 13:15

... HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TerminalServe r\WinStations\RDP-Tcp\PortNumber 2. Now, to access the server using the new setting, type the new port number after the IP address of the computer to which you want to connect. If the new port is 8098, and the IP address ... domain). 2. Right-click the user account that will be used for administrative access, and select the Properties command from the context menu to open the properties window. Go to the Sessions ... Panel, select the Administrative tools option, and then start Users and Computers or Active Directory Users and Computers MMC snap-ins (depending on the role of your computer and whether it participates...

Ngày tải lên: 07/11/2013, 08:15

... command. Fetching The Connection is retrieving information from the database. Open The Connection is open. Note In version 1 of ADO.NET, only the Open and Closed states are used. The other ... information message produced by the database. You use the InfoMessage event to monitor these messages. To get the message, you read the contents of the Errors collection from the SqlInfoMessageEventArgs ... mySqlCommand = mySqlConnection.CreateCommand(); // run a PRINT statement mySqlCommand.CommandText = "PRINT 'This is the message from the PRINT statement'"; mySqlCommand.ExecuteNonQuery();...

Ngày tải lên: 14/12/2013, 13:15

Ngày tải lên: 24/12/2013, 01:17

Ngày tải lên: 26/01/2014, 06:20

Ngày tải lên: 24/12/2013, 01:17

Ngày tải lên: 23/03/2014, 17:21

... AdSense, 20 1, 21 2 21 3, 21 6 21 7, 22 6, 334 search box color scheme, 86, 95–97 text, AdSense, 20 0, 21 6, 24 7 URL display, AdSense, 21 6, 24 7 Webmonkey color chart, 24 7 column position AdSense, 173, 23 9 24 0 AdWords, ... 146 overview, 329 ad blindness banner ad, 24 2 color, reducing using, 24 2, 24 6 25 0 home page, on, 24 0 introduced, 23 8 layout, reducing using, 24 3 24 5 The New Yorker magazine, 24 2 television, 24 2 Ad Group. ... 160 pausing, 124 , 150, 161 planning, 125 – 127 rotation, 124 , 334 statistics, displaying, 150–155 Ad Layout Code page, 21 2, 21 6, 22 4, 22 6 ad unit, 23 9, 24 6 25 0, 25 1, 334 AdRank, 330 Index 27 _571435...

Ngày tải lên: 24/10/2013, 08:20

Ngày tải lên: 24/10/2013, 22:35

... 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 ... (Fig. 8 .28 ). Notice that if specific parameters are missing from your registry, this means that the system considers them to be set to default values. Figure 8. 32: The Sessions tab of the RDP-Tcp ... running and a connection is broken as a result of network problems. The task will continue to run while the session is in a disconnected state, and the administrator can reconnect. The alternative,...

Ngày tải lên: 07/11/2013, 08:15

... myOleDbCommand.CommandType = CommandType.TableDirect; // set the CommandText property of the OleDbCommand object to // the name of the table to retrieve from myOleDbCommand.CommandText = ... specify the name of the table to retrieve from using the CommandText property. The following example sets the CommandText property of myOleDbCommand to Products: myOleDbCommand.CommandText ... object: OleDbCommand myOleDbCommand = myOleDbConnection.CreateCommand(); You then set the CommandType of myOleDbConnection to CommandType.TableDirect: myOleDbCommand.CommandType = CommandType.TableDirect;...

Ngày tải lên: 07/11/2013, 10:15

... If you then supply the same details in the connection string (same database, username, password, and so on), then the connection from the pool is retrieved and returned to you. You then use ... "server=localhost ;database= Northwind;uid=sa;pwd=sa"; where server specifies the name of the computer on which SQL Server is running. database specifies the name of the database. uid specifies the ... details for your database connection, you can open the connection to the database. You do this by calling the Open() method of your Connection object. The following example calls the Open() method...

Ngày tải lên: 07/11/2013, 10:15

Ngày tải lên: 10/12/2013, 12:15

... finished the editing of the loaded registry hive, you can unload it by selecting it, and then choosing the Unload Hive… command from the file menu. You need to save any changes to the hive ... ignore the result and continue searching. To find the next match, press <F3> or select the Find Next command from the Edit menu. Note When searching the registry, remember that the names ... delete and rename the value entry. You can also delete the value entry by selecting it and clicking the <Del> key. To rename the value entry, right-click it, select the Rename command, and...

Ngày tải lên: 14/12/2013, 10:15

... Panel, or select the Folder Options command from the Tools menu in Windows Explorer; then go to the File Types tab in the Folder Options window. The Description Subkeys The HKEY_LOCAL_MACHINE\Software\Description ... (Windows 20 00 Professional and Windows XP) and Active Directory Users and Computers (Windows 20 00 and Windows Server 20 03 domain controllers). The HKEY_LOCAL_MACHINE\SECURITY\SAM key references the ... considered the easiest method of editing the information. If you need to perform this task in Windows NT 4.0, select the Options command from the View menu in Windows NT Explorer, then go to the...

Ngày tải lên: 14/12/2013, 10:15

... you choose Other in the Spotlight window, as described on Section 3 .2. 7.4 . In other words, there are 125 different search criteria. There's only one confusing part: in the Other list, ... list of the one-word codes that Spotlight recognizes the shorthand versions of the criteria described on Section 3 .2. 7.4 . Here it is, a Missing Manual exclusive, deep from within the bowels ... width, and so on. Section 3 .2. 7.4 has a complete discussion of these so-called metadata types. (Metadata means "data about the data"—that is, descriptive info-bites about the files themselves.)...

Ngày tải lên: 14/12/2013, 10:15

... straight to the Dock or the Trash. If you click something else and then re-click the dragged item in the results list, the folder map at the bottom of the window updates itself to reflect the file's ... multigigabyte files and folders. Fortunately, you can restore these options to the criterion pop-up menu easily enough. The trick is to use the Other option as described on these pages. In the dialog ... Choosing Other from the first pop-up menu opens a special dialog box containing at least 125 other criteria. Not just the big kahunas like Name, Size, and Kind, but far more targeted (and obscure)...

Ngày tải lên: 14/12/2013, 10:15

... because the DataTable knows only about the rows stored in it, not the other rows stored in the database table that were not retrieved in step 2. 4. You attempt to push the new DataRow to the database, ... column of the Products database table is an identity column. The seed is the initial value and the step is the increment added to the last number and they are both set to 1 for ProductID. The ProductID ... 2. You retrieve a subset of the rows from a database table and store them in your DataTable. 3. You add a new DataRow to your DataTable with a primary key value not used in the subset of rows...

Ngày tải lên: 24/12/2013, 01:17

... signed integer between -2 63 (-9 ,22 3,3 72, 036,854,775,808) and 2 63 - 1 (9 ,22 3,3 72, 036,854,775,807). SqlMoney A currency value between - 922 ,337 ,20 3,685,477.5808 and 922 ,337 ,20 3,685,477.5807. This ... computers and networks. SqlInt16 A 16-bit signed integer between -2 15 (- 32, 768) and 2 15 - 1 ( 32, 767). SqlInt 32 A 32- bit signed integer between -2 31 ( -2, 147,483,648) and 2 31 - 1 (2, 147,483,647). ... 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 databases. Table 9.6 shows the...

Ngày tải lên: 24/12/2013, 01:17