SAHASRA TECHNOLOGIES
Beginner to intermediate curriculum · ADO.NET & Dapper Data AccessADO.NET & Dapper Data Access
Learn the complete C# → data access → SQL Server flow. ADO.NET builds the foundation; Dapper is the main practical data-access approach in the core program.
- Duration
- 22–28 classes
- Per class
- 90 minutes
Curriculum PDF: save the complete ADO.NET & Dapper Data Access syllabus for offline reference.
Learning objective
Execute safe queries and stored procedures, map results to C# objects and build reusable Dapper-based data access.
Recommended class plan
22–28 classes · 90 minutes per class
3 classes + 1 guided data-access lab per week
Technologies
- ADO.NET
- Dapper
- C#
- SQL Server
Tools
- Visual Studio
- NuGet
- SSMS
- Debugger
Curriculum modules
Basic Foundations → Practical Skills → Guided Application
- 1
ADO.NET Foundations
Connections, connection strings, commands, ExecuteNonQuery, ExecuteScalar, ExecuteReader and resource handling.
- 2
ADO.NET CRUD & Procedures
Parameters, readers, DataTable/DataSet basics, stored procedures, transactions and object mapping.
- 3
Dapper Fundamentals
Install Dapper and use Query, QueryFirst, QuerySingle, Execute and scalar operations.
- 4
Practical Dapper
Anonymous and dynamic parameters, procedures, DTO mapping, async basics, transactions and QueryMultiple introduction.
- 5
Repository Introduction
Organize data access behind a simple repository concept without adding advanced architecture.
Beginner topics
Start Here and Build Comfort
- SqlConnection
- SqlCommand
- Readers and scalar results
- Parameterized queries
- Stored procedure calls
- Dapper Query and Execute
Intermediate topics
Progress After the Basics Are Clear
- DynamicParameters
- DTO mapping
- Async methods
- Transactions
- QueryMultiple introduction
- Repository concept
Practical learning
Practise, Submit, Build and Explain
Practical exercises
- Execute parameterized CRUD
- Map reader data to objects
- Call procedures with output parameters
- Convert ADO.NET code to Dapper
Assignments
- Build a Dapper CRUD repository
- Add transaction handling
- Document the complete data flow
Mini projects
- Product Data Access Library
- Employee Repository Module
Industry habits throughout the track
Terminology, Debugging and Responsible AI
Industry terminology
- Connection string
- Command
- Parameter
- Reader
- Mapping
- DTO
- Micro ORM
- Repository
Debugging exercises
- Fix connection and parameter errors
- Investigate a null mapping
- Trace an uncommitted transaction
AI learning exercises
- Ask AI to explain a Dapper mapping
- Review generated SQL for parameterization
- Validate that an async change remains correct
Topics intentionally excluded
Advanced Topics Come Later
Quality fundamentals are more valuable than an overloaded syllabus. These topics are outside this track:
- Advanced ORM internals
- Generic repository frameworks
- Complex unit-of-work architecture
- Advanced performance tuning
Recommended next track