Tài liệu Creating a DOS Boot Disk pptx

... the floppy disk from the floppy drive. If the disk is not bootable (does not have io.sys, msdos.sys, and command.com), then an error message is generated that says “Non-System disk or disk error. ... command.com, config.sys, io.sys, and msdos.sys. Assuming all five files are available on a bootable disk, what order are these files accessed when the system is booted? 1. ______...

Ngày tải lên: 21/12/2013, 19:15

... Button.Click Allows the user to specify the filename for the new Access database and then calls the CreateAccessDatabase( ) method in the sample to create the database. CreateAccessDatabase( ) This ... [ Team LiB ] Recipe 10.6 Creating a New Access Database Problem You need to create a new Microsoft Access database. Solution Use ActiveX Database Objects Extensions (ADOX) fr...

Ngày tải lên: 24/12/2013, 05:15

... window for sqlDataAdapter1. Accept the defaults in the dialog box, and click the OK button to create a DataSet object named dataSet11. 5. Drag a DataView object from the Data tab of the Toolbox ... 15. InitializeComponent(); 16. 17. // call the Fill() method of sqlDataAdapter1 18. // to populate dataSet11 with a DataTable named 19. // Customers 20. sqlDataAdapter1.Fill(dataSet1...

Ngày tải lên: 21/01/2014, 07:20

... Page_Load event is raised. The Page_Load event is raised whenever the Web form is loaded by a browser. Typically, you'll place any initialization code in the Page_Load() method. For example, ... this case, the code- behind file is Web-Form1.aspx.cs. The AutoEventWireUp attribute indicates whether the ASP.NET framework automatically calls the Page_Init() and Page_Load() event handler...

Ngày tải lên: 21/01/2014, 07:20

... Creating a SqlCommand Object There are two ways you can create a SqlCommand object: • Use one of the SqlCommand constructors. • Call the CreateCommand() method of a SqlConnection ... "server=localhost;database=Northwind;uid=sa;pwd=sa"; Next, you can create a new SqlCommand object using the following statement: SqlCommand mySqlCommand = new SqlCommand(); You then ......

Ngày tải lên: 21/01/2014, 07:20

... maintained by Data Guard SQL Apply. – NONE: normal security • Query GUARD_STATUS column in V$DATABASE. • Database guard level is set to ALL by broker automatically on the logical standby database. • Database ... user access to tables. • ALTER DATABASE GUARD command keywords: – ALL: prevents users from making changes to any data in the database. – STANDBY: prevents users from making changes...

Ngày tải lên: 09/12/2013, 16:15

... three datatypes—scalar, composite, and reference—that you can use for declaring variables, constants, and pointers. Scalar Datatypes A scalar datatype holds a single value and has no internal components. ... components. Scalar datatypes can be classified into four categories: number, character, date and time, or Boolean. Character and number datatypes have subtypes that associate a base...

Ngày tải lên: 21/12/2013, 06:17

... they can participate in an automatic transaction. Once an object is marked to participate in a transaction, it will automatically execute within a transaction. The object's transactional ... programmatically to participate automatically in an existing transaction, to start a new transaction, or to not participate in a transaction. The following steps prepare a class to parti...

Ngày tải lên: 24/12/2013, 05:15

... instance is greater than the value of the parameter Creating a Generic Class The .NET Framework Class Library contains a number of generic classes readily available for you. You can also ... the CompareTo method compares Circle objects based on their areas. The area of a circle with a larger area is greater than a circle with a smaller area. class Circle : System.ICompa...

Ngày tải lên: 24/12/2013, 09:16

... BuildTree<char>('Z', 'X', &apos ;A& apos;, 'M', 'Z', 'M', 'N'); charTree.WalkTree(); 3. On the Build menu, click Build Solution. Verify that ... Program class. This should be a static method that takes a params array of T elements called data, and returns a Tree<T> object. The method definition should look like...

Ngày tải lên: 24/12/2013, 09:16