Packt+ | Advance your knowledge in tech

You're reading from Beginning C# 7 Hands-On ??? Advanced Language Features Learn the advanced-level features of C# 7 using Visual Studio 2017

Product type Paperback

Published in Oct 2017

Publisher Packt

ISBN-13 9781788294263

Length 310 pages

Edition 1st Edition

Languages

Tools

Visual Studio

Concepts

Programming Language

Author (1):

Tom Owsiak

View More author details

Table of Contents (35) Chapters

Title Page

Credits

About the Author

www.PacktPub.com

Customer Feedback

Preface

1. Creating a Simple Generics Class FREE CHAPTER

2. Creating a Generic Method

3. Implementing a Generic Interface to Accomplish Sorting

4. Making Delegates More Flexible with Generics

5. Creating and Using Generic Dictionaries

6. Connection Between Delegates and Lambda Expressions

7. Expression-Bodied Lambdas and Expression-Bodied Members

8. Anonymous Methods and Objects That Run Their Own Delegates

9. C# with LINQ and Built-In Types

10. C# with LINQ and Custom Data Types

11. Using Query Syntax to Construct Queries

12. Queries That Perform Aggregation Functions

13. Using LINQ to Summarize Tuples

14. Summarizing Results with Grouping

15. Joining Datasets with Inner Joins

16. Downloading, Installing, and Running SQL Server 2017

17. Writing Code to Manually Connect to a Table and Retrieve Records

18. Inserting Records into Tables Using Stored Procedures

19. Using the Nullable Feature to Make Apps More Stable

20. Connecting a Chart Control to SQL Server

21. Using LINQ to Operate on Tables from SQL Server

22. Creating a Page That Saves Text to Disk

23. Creating a Page That Uses the File Upload Control

24. Serializing and Deserializing Objects

25. Having a Little Fun with Images with Pixel Manipulations

26. Saving an Image to SQL Server

27. Creating and Using an XML File

28. Creating XML Files with C#

29. Querying XML Documents with LINQ

Creating a button to exchange and then comparing two values

Open up a project and click on the <html> tab. The only thing to put in there is a button. This time, we will not read any values from the user just to save time. So, go to Toolbox and grab a Button control. Drag and drop it below the line beginning with <form id=... (you can delete the <div> lines, as we won't be needing them). Change the text on the button to say Exchange And Compare. So, this will exchange two values and then compare them. Your complete Default.aspx file should look like the one shown in Figure 2.2.1: