By Stephen R. Davis, Chuck Sphar
Even if you’re a complete beginner or a programmer transferring to C#, the most recent model of this programming language is filled with cool gains you’ll are looking to use. With its visible Studio compatibility, C# is the appropriate language for development home windows Vista functions. And the 2008 model works with LINQ, a question language with syntax just like SQL yet which simplifies database code and will additionally write queries on XML files.
For the simplest uncomplicated C# how-to, it’s tough to overcome C# 2008 For Dummies. This plain-English consultant to programming with C# could have you growing your first console software sooner than you end half I. in truth, the fundamental template you create at that time could be the origin of many different apps as you progress throughout the e-book. alongside the best way you’ll get the news on organizing your facts, object-oriented programming (also often called OOP), and a very good LINQ-related function known as delegates and occasions. You’ll learn the way to
- Create a console program template
- Perform logical comparisons
- Work with loops and if statements
- Understand assortment syntax
- Use interfaces and object-oriented concepts
- Apply delegates and occasions, and masses more
You’ll even achieve a few infrequent perception into the right way to comprehend mistakes messages you can get whilst programming in C#. all of the code you would like are available at the spouse website, in addition to nice bonus info that is helping you do extra with C# 2008. So — what are you looking ahead to? seize C# 2008 For Dummies and let’s start!
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Additional info for C# 2008 For Dummies
3, C# calls it a double. The Accuracy column in Table 2-2 refers to the number of significant digits that such a variable type can represent. 555 . . with an unending sequence of 5s. However, a float variable is said to have six significant digits of accuracy — which means numbers after the sixth digit are ignored. 5555551457382 Here you know that all the digits after the sixth 5 are untrustworthy. 55555555555555557823 The double packs a whopping 15 to 16 significant digits. Use double variable types unless you have a specific reason to do otherwise.
Creating the source program To start Visual Studio, choose Start⇒All Programs⇒Microsoft Visual Studio 2008⇒Microsoft Visual Studio 2008. Complete these steps to create your C# console app: 1. Choose File ⇒New ⇒Project to create a new project, as shown in Figure 1-1. Visual Studio presents you with lots of icons representing the different types of applications you can create, as shown in Figure 1-2. 2. From this New Project window, click the Console Application icon. Make sure that you select Visual C# — and under it, Windows — in the Project Types pane; otherwise Visual Studio may create something awful like a Visual Basic or Visual C++ application.
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C# 2008 For Dummies by Stephen R. Davis, Chuck Sphar