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You're reading from Beginning C# 7 Hands-On ?????? The Core Language Learn the C# language by coding it element by element

Product type Paperback

Published in Aug 2017

Publisher

ISBN-13 9781788296540

Length 566 pages

Edition 1st Edition

Languages

Tools

Visual Studio

Concepts

Programming Language

Author (1):

Tom Owsiak

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Table of Contents (64) Chapters

Title Page

Credits

About the Author

www.PacktPub.com

Customer Feedback

Preface

1. Why C# and How to Download and Install the Visual Studio Community Edition FREE CHAPTER

2. Customizing Visual Studio to Make it Feel More Personal

3. Creating and Running Your First Page

4. Creating and Running a Page That Incorporates C#

5. Creating and Using a Single Variable

6. String Interpolation and Updating Visual Studio

7. Formatting Output Strings for More Professional Results

8. Using Variables and Data Types

9. Computed Variables and Basic Math

10. Interacting with Users Through the Web Page

11. Using Method Chaining to Write More Compact Code

12. Reacting to a Single Condition with If/Else Blocks

Adding checkbox to your code

13. Making a Variable Grow by Adding 1

14. Repeating Blocks of Code with While Loops

15. Repeating Blocks of Code with For Loops

16. Iterating Over Collections with foreach Loops

17. Examining Multiple Variable Values with Switch Blocks

18. Improving Input Processing with TryParse

19. Replacing If/Else Blocks with the Ternary Operator

20. Operators That Evaluate and Assign in Place

21. Checking Two Conditions with the Logical AND Operator

22. Checking Two Conditions with the Logical OR Operator

23. Declaring, Setting, and Reading Arrays

24. Iterating Over Arrays with foreach and for Loops

25. Creating and Using a Simple Method

26. Passing Arrays into Methods

27. Reference Type and Value Type Variables

28. Creating More Flexible Methods with the params Keyword

29. Creating More Flexible Functions with the out Keyword

30. Combining the ref and out Keywords to Write Flexible Functions

31. The out keyword in C# 7

32. Multidimensional Arrays

33. Writing Easier Code with the Var and Dynamic Keywords

34. Creating a Class with a Constructor and a Function

35. Creating a Class with a Static Method

36. Creating a Class with an Object Property

37. Creating a Class with Static Fields, Functions, and Properties

38. Centralizing Common Code with Inheritance

39. Centralizing Default Code with Virtual Functions

40. Model Concepts with Abstract Classes

41. Using Custom Types as Return Types

42. Using Lists to Operate on Data Efficiently

43. Writing Less Code with Polymorphism

44. Using Interfaces to Express Common Behaviors

45. Iterating over Instances with Indexers

46. Building Stabler Apps with Exception Handling

47. Using Named and Optional Parameters

48. Using the Null Coalescing Operator to Write Stabler Applications

49. Overloading Operators to Perform Custom Operations

50. Using Enumerations to Represent Named Constants

51. Creating and Using Namespaces

52. Structs, Random Points, and Sleeping Threads

53. Declaring, Creating, and Using Delegates

54. Switch Blocks with when

55. Switch Blocks with Objects in C# 7.0

56. Tuples

57. Local functions in C# 7.0

58. Throwing Exceptions

Inserting a button and a textbox

Let's begin with a simple HTML page, as shown in Figure 3.7.1. Using Toolbox, let's place Button and TextBox in the page. The Button control will basically say calculate and will display, for example, some number increased by 10%. Obviously, this depends on what you need. Type tex in the Search Toolbox field, select TextBox, and drag and drop that into the page. Right above it, place a Button control so that users have something to click on. Again, type but in the Search Toolbox field, and drag and drop Button into the page. You want to stack them vertically, so at the end of the Button statement, type <br>:

Figure 3.7.1: Button and TextBox are inserted into the page

You can even leave the names if you want, except the display text on the Button control, so that it says something more informative, for example, find 110% of Value.

Now, let's take a look at it in the Design view and see what we have: