... navigation bars, datasets, and table adapters are interconnected and bound to objects on a form.Chapter 20Chap20 Demonstrates using Visual Web Developer and ASP.NET to create a car loan calculator ... operating system and a variety of Web browsers. You’ll also have fun!What Is VisualBasic 2008? Visual Basic2008 is a development tool that you can use to build software applications that perform ... 80 12 Part I Getting Started with MicrosoftVisualBasic 2008 Running aVisualBasic ProgramMusic Trivia is a simple VisualBasic program designed to familiarize you with the program-ming...
... trend has continued with the release of VisualBasic 2003, VisualBasic 2005, and the latest release, VisualBasic2008. Each new release of the VisualBasic .NET programming language brings about ... applications. ❑ As VisualBasic2008Express Edition, which includes the VisualBasic2008 language, and a reduced set of the tools and features that are available with Visual Studio 2008. Both ... The VisualBasic2008 IDE You don ’ t need VisualBasic2008 to write applications in the VisualBasic .NET language. The ability to run VisualBasic .NET code is included with the .NET Framework....
... ‘Declare variable Dim dblArea As Double ‘Calculate the area of a circle with a radius of 100 dblArea = CalculateAreaFromRadius(100) ‘Display the results MessageBox.Show(dblArea.ToString, ... Handles btnScope.Click ‘Call a method DisplayBalthazarsName() End Sub Private Sub DisplaySebastiansName() ‘Declare variable and set value Dim strName As String strName = “Sebastian ... intended: Private Sub DisplaySebastiansName() ‘Declare variable and set value Dim strName As String strName = “Sebastian Blackwood” ‘Display results MessageBox.Show(strName, “Scope Demo”)...
... to make these user interfaces functional. XAML Syntax The best way to learn about XAML syntax and how it all works is to take an in - depth look at an actual example. Using the XAML code ... file maps to a .NET Framework class, thus creating a corresponding object at runtime. XAML files can be parsed at runtime although it is more typical that they are part of an application and are ... member name and value from the enumeration.2. Create a Windows Forms Application that contains a TextBox control and a Button control. At the form level, create a names array initialized with a single...
... that displays the car ’ s details. Add the DisplayCarDetails procedure in Module1: ‘DisplayCarDetails - procedure that displays a car’s details Sub DisplayCarDetails(ByVal theCar As Car) ... results in a variable. You can even change the values of variables in the Watch window. You can also add as many variables and expressions as needed to debug your program. This provides a mechanism ... Class You add two private variables to this class, with both of these variables being defined as an array. The first variable is a defined as a String data type, while the second variable...
... and that the same namespace can be spread across several assemblies. It just happens that in VisualBasic2008 you normally have a single namespace inside a single assembly of the same name. ... aware of how useful class libraries are and have an understanding of the nature of classes, objects, and class libraries. When designing an application, it is best to understand what you are ... classes are by default given their project name as their namespace. When a project contains a space in the name, Visual Studio 2008 replaces the blank space in the name with an underscore (_) character.If...
... the data in a DataView in ways different from the underlying DataTable , it is still the same data. Changes made to a DataView affect the underlying DataTable automatically, and changes made ... contained in a DataTable that contains only the data that you want to display. For example, if the data in a DataTable contains all authors sorted by last name and first name, you can create a ... this chapter. A DataSet can contain a number of DataTable objects; when you use the SqlDataAdapter class ’ s Fill method to add data to a DataSet , you are actually creating a DataTable object...
... Without writing any code, you are able to require that data entry fields are completed on a web page. You take advantage of controls already created for quick and hearty data validation. You ... is in ASP 3.5. Other controls are available for enforcing data validation. The CompareValidator control tests a control to make sure it matches a value. This value can be a constant, another ... class to navigate the data in a DataSet or DataView object Know how to sort and search for data in a DataView object Be familiar with the Object Relational Desiner in Visual Studio Know...
... have crashed. Integrating with the Address Book Application So far, you ’ ve built an application that is able to save and load its data as an XML document. You ’ ve also taken a look at ... you added: AnyChange and WasAddressChange . Select AnyChange . 12. Select ifElseBranchAddressChange and repeat step 11, this time selecting WasAddressChange . 13. That is all. Go ahead and ... a language based on open standards and can be used as a tool for software integration. Within a single organization, XML can be used to transport data across platforms easily. It also allows...
... concatenate the variables and display the results in a message box. The String variables can be declared and set as: ‘Declare variables and set their values Dim strOne As String = VisualBasic ... tutorial and a reference guide to the 2008 release of Visual Basic. The tutorial provides basic material suitable for beginners but also includes in - depth content for more advanced developers. ... can spend, and the additional functionality can be part of a later version. By understanding and agreeing on tradeoff priorities, you are able to work with customers to manage change. If a...
... techniques available in Visual Studio Standard Edition and Visual Studio Professional Edition. Although VisualBasic2008 is similar in many ways to VisualBasic 2005, there are many important differences ... (Microsoft VisualBasic .NET 2003) was widely available in March 2003. Next came VisualBasic 2005 in late 2005, and after a long period of development and integration work, Microsoft released Visual ... Windows- and Internet-based applications that compete on an equal playing fi eld with Visual C++, Visual C#, and Java applications. And the beauty of VisualBasic is that it is much easier to learn...
... (You can also delete a line and type it from scratch.) In addition, VisualBasic might add necessary code automatically. For example, when you type the following code, Visual Basic automatically ... Framework. Applications created with VisualBasic 2005 all targeted the .NET Framework 2.0. If you upgrade programs created in VisualBasic 2005 to VisualBasic 2008, they will continue to target ... declaration, the VisualBasic compiler will infer (or take an educated guess) about the data type based on the initial assignment you made for the variable. The designers of VisualBasic have allowed...
... work.The Anatomy of aVisualBasic Program StatementAs you learned in Chapter 2, “Writing Your First Program,” a line of code in aVisualBasic program is called a program statement. A program statement ... necessary for Visual Basic programmers to explicitly declare variables before using them. This was a change from VisualBasic 6 and earlier versions of Visual Basic, where (under certain circumstances) ... FullName. Both variables are declared using the String type. (You can declare as many variables as you want on the same line, as long as they are of the same type.) Note that in Visual Basic...
... major feature of Visual Studio that is shared by Visual Basic, Microsoft Visual C++, MicrosoftVisual C#, and other tools in Visual Studio. It’s an underlying interface that becomes part of ... program-ming language, and you’ll fi nd that you use them in almost every program that you write. Chapter 5 VisualBasic Variables and Formulas, and the .NET Framework 155.NET Framework is a major ... 167Tip Expressions that can be evaluated as True or False are also known as Boolean expressions, and the True or False result can be assigned to a Boolean variable or property. You can assign...