C# Development for Beginners #14: Managing Resources - The 'using' Statement
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Video Description
Garbage collection handles memory, but some resources need immediate cleanup! Learn how the 'using' statement prevents file locks, database connection leaks, and production disasters.
What you'll learn: • What resources need special management (files, databases, networks) • The IDisposable interface - your cleanup contract • The 'using' statement magic - automatic resource cleanup • Using declarations (C# 8+) for cleaner code • What happens when you forget to clean up • Common mistakes and how to avoid them • Real-world CSV file processing example
Critical concepts: • Not all objects are equal - some hold system resources • Files stay locked without proper disposal • Database connections are limited and precious • Network sockets can exhaust system resources
The 'using' statement patterns: • Classic using block with braces • Modern using declaration (less nesting!) • Try-finally (the hard way) • When to implement IDisposable yourself
Common pitfalls we'll avoid: • Returning disposed objects • Storing IDisposable fields without cleanup • Forgetting using statements (production nightmare!) • Relying on garbage collection for resource cleanup
Previous Video: Understanding Garbage Collection ► Full Playlist: https://www.youtube.com/playlist?list=PLGxFXI4dC2shfDgudNdh1FtSLcAZG0-Ba ► Code Repository: https://github.com/benday-inc/csharp-for-beginners-2025 ► Website: https://benday.com
Never leak resources again? Hit that like button! Subscribe - next we explore AppDomains and Assemblies, the structural plumbing of .NET. Ever crashed production by forgetting a 'using' statement? Share your story below!
#CSharp #UsingStatement #IDisposable #ResourceManagement #DotNet #Programming
0:00 Video 14: Managing Resources 0:51 What Are Resources? 1:38 System.IDisposable 2:15 The Problem: Forgetting to Close 2:49 Manual cleanup: Try-Finally 3:49 The 'using' Statement 4:13 Using Declaration (C# 8+) 4:50 What Can You 'using'? 5:43 Cleaning up database stuff too slowly causes problems? 6:33 Cleaning up Multiple Resources 7:32 Common Mistake #1 8:04 Common Mistake #2 8:38 What If You Forget? 9:31 Real World Example 10:01 Key Takeaways
Video Info
- Duration: 11:25
- Published: October 30, 2025
