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๐Ÿ“˜ ASP.NET โ€” Error Handling

Errors ko gracefully handle karo โ€” user ko clean message, developer ko details! โš ๏ธ

Overview
๐ŸŒŸ

๐Ÿ“˜ ASP.NET โ€” Error Handling โ€” Quick Facts

๐Ÿ“Œ

"Custom Exception": L4["๐Ÿท๏ธ Layer 4: Customโ€ฆ

๐ŸŽฏ

C -->: "Unexpected Error"

Topic 1
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 1. Error Handling Strategy

๐Ÿ“š ๐ŸŽฏ Analogy โ€” Hospital Emergency System ๐Ÿฅ Error Handling layers = Hospital ka emergencyโ€ฆ
Topic 2
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 2. Developer Exception Page

๐Ÿ’ก ๐ŸŽฏ Dev = Doctor ke liye X-Ray ๐Ÿ” | Prod = Patient ke liye clean report ๐Ÿ“„ `csharp // โ•โ•โ•โ€ฆ
Topic 3
๐Ÿ”’

๐Ÿ“Œ 3. Custom Error Pages

๐ŸŽฏ `csharp // โ•โ•โ• Program.cs โ•โ•โ• app.UseExceptionHandler("/Home/Error"); // โ†‘ Unhandledโ€ฆ
Topic 4
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 4. Global Exception Middleware

โญ ๐ŸŽฏ Analogy โ€” Hospital Emergency Alarm System ๐Ÿšจ Global Exception Middleware = Hospital kaโ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 5. Custom Exception Types

๐Ÿ”‘ ๐ŸŽฏ Analogy โ€” Hospital Diagnosis Labels ๐Ÿท๏ธ Custom Exceptions = Specific diagnosis: -โ€ฆ
Topic 6
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 6. Try-Catch in Controllers

โœจ `csharp // โ•โ•โ• Jab Global Middleware na ho to try-catch โ•โ•โ• // (Prefer: Global Middlewareโ€ฆ
Topic 7
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 7. Logging

๐ŸŒŸ ๐ŸŽฏ Analogy โ€” Hospital Medical Records ๐Ÿ“‹ ILogger = Medical records system: - Har eventโ€ฆ
Topic 8
๐Ÿš€

๐Ÿ“Œ 8. Problem Details (RFC 7807)

๐Ÿš€ ๐ŸŽฏ Standard Error Format โ€” Sabke liye ek hi format `csharp // โ•โ•โ• [ApiController]โ€ฆ
Topic 9
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

โš ๏ธ Common Mistakes

๐Ÿ“š | # | Mistake | Kya Hota Hai | Sahi Tareeqa | |---|---------|-------------|-------------|โ€ฆ
Topic 10
โœจ

๐Ÿ‹๏ธ Practice Exercises

๐Ÿ’ก Exercise 1: Global Exception Middleware (Beginner) Task: Complete exception middlewareโ€ฆ
Topic 11
โœจ

โœ… Summary

๐ŸŽฏ โš ๏ธ KEY POINTS: - Error handling = Hospital emergency system โ€” layers of protection -โ€ฆ
Diagram
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

Visual Flow

๐Ÿ“Š Diagram visualization โ€” details in narration
Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ“˜ ASP.NET โ€” Error Handling ka sabse sahi definition kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ“˜ ASP.NET โ€” Error Handling Complete!

Aliens School ยท HIEN ยท Cinematic Knowledge

โœ…

๐Ÿ“˜ ASP.NET โ€” Error Handling Complete

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