Learn VBNET with Real Code Examples

Minimize UI redraws for WinForms

Use async/await to avoid blocking UI

Avoid unnecessary object creation

Profile database queries

Use compiled expressions for LINQ-heavy tasks

Validate user input

Use parameterized queries

Encrypt sensitive data

Apply role-based access control

Avoid storing plain-text passwords

Logging via NLog/Log4Net

Event tracing

Application insights integration

Performance counters

Exception tracking

Follow VB.NET naming conventions

Unit test with MSTest/NUnit

Use Option Strict/Explicit

Code reviews & refactoring

Avoid overly complex event wiring