Tutorials ADO.NET Core Tutorial
Configuration Management — Complete Guide
Configuration Management — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of ADO.NET Core Tutorial on Toolliyo Academy.
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ADO.NET Core Tutorial · Lesson 56 of 100
Configuration Management
Foundations ✓ → SQL & safety ✓ → Production → Projects
Production · 3 — ASP.NET & enterprise · ~10 min · Module 6: ASP.NET Core Integration
What is this?
Bind connection strings and timeouts from configuration — environment-specific without recompile.
Why should you care?
ShopNest staging/prod only differ by config/secrets.
See it live — copy this example
Use a .NET console or API project with SQL Server LocalDB. Run dotnet run after pasting.
public sealed class ShopNestDbOptions
{
public string ConnectionString { get; set; } = "";
public int CommandTimeoutSeconds { get; set; } = 30;
}
// appsettings + User Secrets / Key Vault for secretsWhat happened?
- IOptions monitors.
- Secrets outside git.
- Per-env appsettings.
Practice next
- Create options class.
- Bind section.
- User Secrets for local password.
- ValidateOnStart for non-empty cs.
- Different timeout for reports.
Remember
Typed options. Secrets outside git. Env overlays.
ShopNest Db options
Timeouts/CS from config.
Outcome: Ops changes timeout without rebuild.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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