Tutorials ADO.NET Core Tutorial
ERP Reporting System — Complete Guide
ERP Reporting System — 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 92 of 100
ERP Reporting System
Foundations ✓ → SQL & safety ✓ → Production ✓ → Projects
Projects · 4 — Portfolio builds · ~10 min · Module 10: Real-World Enterprise Projects
What is this?
ERP-style reports aggregate orders/payments via ADO.NET on a report connection with exports.
Why should you care?
ShopNest ops needs daily GMV without blocking OLTP.
See it live — copy this example
Use a .NET console or API project with SQL Server LocalDB. Run dotnet run after pasting.
cmd.CommandText = @"SELECT CAST(OrderDate AS date) D, SUM(Total) Gmv
FROM Orders WHERE OrderDate >= @From GROUP BY CAST(OrderDate AS date)";
// stream to CSV on report CSWhat happened?
- Report CS.
- Aggregates.
- Stream export.
- Schedule.
Practice next
- Report connection.
- Daily GMV query.
- CSV stream.
- Add payment method breakout.
- Materialized daily table.
Remember
Replica aggregates. Stream CSV. Schedule.
ShopNest ERP GMV export
Finance gets CSV from replica.
Outcome: OLTP stays calm.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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