• Microsoft Visual Basic 2008 - Chapter 8: Using Procedures and Exception Handling

    Microsoft Visual Basic 2008 - Chapter 8: Using Procedures and Exception Handling

    As an application grows, it is important to divide each facet of a problem into separate sections of code called procedures Try-Catch blocks can check for any error a user might commit One way to make your programs more professional is to display a splash screen while the full program loads ( also distracts the user if the program takes a while to load… )

     48 p cit 17/04/2013 113 0

  • Microsoft Visual Basic 2008 - Chapter 9: Using Arrays and File Handling

    Microsoft Visual Basic 2008 - Chapter 9: Using Arrays and File Handling

    An array variable is simply a variable that can store more than one value Each individual item in array that contains a value is called an element Arrays provide access to data by using a numeric index, or subscript, to identify each element in the array

     46 p cit 17/04/2013 116 0

  • Microsoft Visual Basic 2008 - Chapter 10: Incorporating Databases with ADO.NET 2.0

    Microsoft Visual Basic 2008 - Chapter 10: Incorporating Databases with ADO.NET 2.0

    A database is a collection of related information stored in a structured format A database organizes data in tables Each row is referred to as a record Each column in a table is referred to as a field A unique field is an identifier that represents the primary key for the table

     33 p cit 17/04/2013 129 0

  • Microsoft Visual Basic 2008 - Chapter 11: Multiple Classes and Inheritance

    Microsoft Visual Basic 2008 - Chapter 11: Multiple Classes and Inheritance

    Select the object that will be selected when program execution begins. In the example, this is the txtStudentID MaskedTextBox object. Scroll in the Properties window until the TabIndex property is visible and then double-click in the right column of the TabIndex property Type 1 and then press the ENTER key Select the object which should be selected when the user presses the Tab key. In the sample program, the txtStudentName TextBox object...

     48 p cit 17/04/2013 171 0

  • Microsoft Visual Basic 2008 - Chapter 12: Cell Phone Applications and Web Services

    Microsoft Visual Basic 2008 - Chapter 12: Cell Phone Applications and Web Services

    With Visual Studio 2005 open, click the New Project button on the Standard toolbar, click Smart Device in the Project types pane on the left side of the New Project dialog box, and then, if necessary, click the plus sign next to Smart Device Click Smartphone 2003 under Smart Device in the Project types list. In the Templates pane, click Device Application (1.0) In the Name text box, change the name of the Smart Device application from...

     37 p cit 17/04/2013 136 0

  • Visual Basic.NET - Chapter 2: The Visual Basic .NET Integrated Development Environment

    Visual Basic.NET - Chapter 2: The Visual Basic .NET Integrated Development Environment

    Integrated Development Environment (IDE) Click the Start button on the taskbar and then point to All Programs on the Start menu Point to Microsoft Visual Studio .NET on the All Programs submenu Point to Microsoft Visual Studio .NET on the Microsoft Visual Studio .NET submenu Click Microsoft Visual Studio .NET

     37 p cit 17/04/2013 145 0

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