Visual Studio + SQL Connection

Now that you know SQL Server, let's connect it to a real C# project. This module covers connection strings, ADO.NET, and a full worked example of INSERT, UPDATE, and DELETE from C# code.

1Connection Strings

Learn how to write and safely store SQL Server connection strings.

Beginner 15 min

2ADO.NET Basics

Learn SqlConnection, SqlCommand, SqlParameter, and SqlDataReader.

Beginner 20 min

3Insert / Delete / Update — Full Example

Complete CRUD example with parameterized ADO.NET commands.

Intermediate 25 min

4DataReader vs DataAdapter

Understand when to use SqlDataReader vs SqlDataAdapter/DataTable.

Intermediate 20 min

5Entity Framework Core (Intro)

Get started with EF Core using LINQ instead of raw SQL.

Advanced 25 min

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