• Microsoft Visual Basic 2008 - Chapter 5: Mobile Applications Using Decision Structures

    Microsoft Visual Basic 2008 - Chapter 5: Mobile Applications Using Decision Structures

    Visual Studio has a built-in emulator that displays a “working” Pocket PC Pervasive devices have become important in many business venues With Visual Studio 2005 open, click the New Project button on the Standard toolbar and then, if necessary, click the plus sign next to Smart Device in the Project types pane on the left side of the New Project dialog box Click Pocket PC 2003 under Smart Device in the Project types list. In the Templates...

     64 p cit 17/04/2013 78 0

  • Microsoft Visual Basic 2008 - Chapter 4: Variables and Arithmetic Operations

    Microsoft Visual Basic 2008 - Chapter 4: Variables and Arithmetic Operations

    With Visual Studio open and the Form1.vb [Design] tabbed page visible, point to the TextBox .NET component in the Toolbox Drag the TextBox .NET component onto the Windows Form object at the desired location When the upper-left corner of the pointer is located where you want the TextBox object’s upper-left corner, release the left mouse button

     67 p cit 17/04/2013 84 0

  • Microsoft Visual Basic 2008 - Chapter 3: Program Design and Coding

    Microsoft Visual Basic 2008 - Chapter 3: Program Design and Coding

    Click the Windows Form object to select it If necessary, scroll in the Properties window until the BackColor property is displayed, and then click the right column of the BackColor property Click the BackColor arrow. Then, if necessary, click the Web tab to display the Web tabbed page Scroll until the Cornsilk color is displayed in the list of colors Click Cornsilk on the color list

     49 p cit 17/04/2013 99 0

  • Microsoft Visual Basic 2005 - Chapter 2: Program and Graphical

    Microsoft Visual Basic 2005 - Chapter 2: Program and Graphical

    Click the New Project button on the Standard toolbar If necessary, in the Project types pane (left pane), click Visual Basic so it is selected If necessary, click Windows Application in the Templates pane Double-click the text,WindowsApplication1, in the Name text box to select the text. Type the project name. For this example, you could type HotelRoomSelection as the name Click the OK button in the New Project window

     53 p cit 17/04/2013 85 1

  • Microsoft Visual Basic 2005 - Chapter 1: Introduction to Visual Basic 2005 Programming

    Microsoft Visual Basic 2005 - Chapter 1: Introduction to Visual Basic 2005 Programming

    The set of instructions that directs a computer to perform tasks is called computer software, or a computer program. Computer hardware is the physical equipment associated with a computer. The basic function of many computer programs is to: accept data, manipulate the data (process), and create output data or information.

     38 p cit 17/04/2013 97 1

  • Microsoft Visual Basic .NET: Reloaded - Chapter 13: Creating web applications using ASP.NET

    Microsoft Visual Basic .NET: Reloaded - Chapter 13: Creating web applications using ASP.NET

    Internet – world’s largest computer network WWW (World Wide Web) Contains documents called web pages Web pages are stored on Web Servers Web Server is a computer with software to serve up web pages in response to client requests (web browser)

     47 p cit 17/04/2013 112 1

  • Microsoft Visual Basic .NET: Reloaded - Chapter 12: Using ADO.NET

    Microsoft Visual Basic .NET: Reloaded - Chapter 12: Using ADO.NET

    Database Organized collection of related information stored in a file on a disk Relational database stores information in tables composed of columns and rows Table is a group of related records Each row represents a record Each column represents a row Primary key is a field that uniquely identities a record in a table Foreign key is a field in one table used as the primary key in another table Tables are related by a common field or fields

     52 p cit 17/04/2013 114 1

  • Microsoft Visual Basic .NET: Reloaded - Chapter 11: Creating classes and objects

    Microsoft Visual Basic .NET: Reloaded - Chapter 11: Creating classes and objects

    Object-oriented programs are based on objects, which are instantiated from classes A class contains (encapsulates) the properties (attributes) that describe a person, place, or thing Examples: Student, School, Book An object is a specific instance of a class Examples: “You” are a student that goes to a specific school and are using this specific book VB has many built-in objects such as Textbox controls, Forms, and Labels

     44 p cit 17/04/2013 109 1

  • Microsoft Visual Basic .NET: Reloaded - Chapter 10: Structures and more controls

    Microsoft Visual Basic .NET: Reloaded - Chapter 10: Structures and more controls

    You can create your own data types using the Structure statement Referred to as “user-defined data types” or “structures” Structures contain “member variables” between Structure clause and End Structure clause Member variables are declared using Public keyword followed by the variable name and then the desired data type

     54 p cit 17/04/2013 112 1

  • Microsoft Visual Basic .NET: Reloaded - Chapter 9: Arrays

    Microsoft Visual Basic .NET: Reloaded - Chapter 9: Arrays

    Simple variable Also called scalar variable Is unrelated to any other variable in memory Array A group of variables that have the same name and data type and are related in some way You can picture an array as a group of small adjacent boxes inside the computer’s memory

     53 p cit 17/04/2013 99 1

  • Microsoft Visual Basic .NET: Reloaded - Chapter 8: Sequential access files and error handling

    Microsoft Visual Basic .NET: Reloaded - Chapter 8: Sequential access files and error handling

    Output files Files to which output is written Store output produced by the application Input Files Files that are read by the computer Application uses information stored in files Sequential Often referred to as “text files” Binary and Random Not covered in this text

     48 p cit 17/04/2013 116 1

  • Microsoft Visual Basic .NET: Reloaded - Chapter 7: Sub and function procedures

    Microsoft Visual Basic .NET: Reloaded - Chapter 7: Sub and function procedures

    Event procedure Associated with a specific object and event Example: button click event Independent Sub procedure A collection of code that can be invoked from one or more places in an application Processed only when called (invoked) from code Invoke Sub using a Call statement from another procedure

     36 p cit 17/04/2013 115 1

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