.NET (C#) data documentation hub

This page contains resources about how to work with data using .NET (C#). Use our docs and tutorials to choose from our wide variety of available databases & data access approaches and get started quick!

Overview

Accessing your data using C# (Entity Framework Core)

Quickstart

Tutorial: Query and manage data using C# (Entity Framework Core)

Quickstart

Video: Access a SQL Server or Azure SQL database in 6 minutes with C#

Quickstart

Tutorial: Access a SQLite database using C# (Entity Framework Core)

Overview

Using C# to work with a SQL Server or Azure SQL database (Docs)

Overview

Querying data with Language-Integrated Query (LINQ)

Quickstart

Tutorial: Create a web API that uses a database

Overview

What is ML.NET?

Supported database management systems

Relational databases

• Use .NET (C#) to connect and query data in SQLite
• Use .NET (C#) to connect and query data in Microsoft SQL Server or Azure SQL
• Use .NET (C#) to connect and query data in Azure Database for PostgreSQL - Flexible Server
• Use .NET (C#) to connect and query data in Azure Database for MySQL

Document database (Azure Cosmos DB)

• Azure Cosmos DB documentation
• Develop an ASP.NET Core MVC web application with Azure Cosmos DB by using .NET SDK
• Create a notebook in Azure Cosmos DB to analyze and visualize the data
• Azure Cosmos DB for MongoDB
• EF Core Azure Cosmos DB provider

Graph database (Azure Cosmos DB Graph API)

• Introduction to Azure Cosmos DB for Apache Gremlin
• Build a .NET Framework or Core application using the Azure Cosmos DB for Apache Gremlin account
• SQL Graph Architecture

Distributed key/value databases and cache

• FASTER concurrent persistent key/value store
• Microsoft Orleans framework for distributed apps
• Azure Tables client library for .NET
• Azure Cache for Redis

Unstructured/blob storage

• Introduction to blob storage
• Quickstart: Azure Blob Storage client library v12 for .NET
• Introduction to Azure Data Lake Storage Gen2

Data services

EF Core

• Overview
• Create your first EF Core app
• Learn: Persist and retrieve relational data with EF Core
• Supported databases

Language Integrated Query (LINQ)

• Overview
• Introduction to LINQ queries
• LINQ over IEnumerable

Big data

• What is .NET for Apache Spark?
• 10-minute .NET for Apache Spark(tm) Tutorial
• What is Azure Synapse?

Machine learning

• What is ML.NET? Step-by-step
• ML.NET documentation
• ML.NET tutorials

Mobile apps

• Microsoft Datasync Framework (Azure mobile apps)
• Build a .NET MAUI mobile app with Azure Mobile Apps
• Offline data sync

ETL and analytics

• Extract, Transform and Load (ETL) Architecture
• ETL with Azure Data Factory and/or Synapse Analytics
• SQL Server Integration Services

Messages, notifications, and events

• Implementing event-based communication between .NET microservices
• Serverless messaging with Azure Event Grid
• Send and receive events from .NET using Azure Event Hubs
• Distributed .NET apps with Orleans

APIs

REST

• Minimal Web API tutorial
• RESTful web API design
• Azure API Management (APIM)
• Document APIs with Swagger (OpenAPI)

OData

• OData overview
• Get started with the OData client for .NET
• Video: OData (.NET Data community standup)

GraphQL

• Video series: Learning GraphQL
• Azure API Management support for GraphQL
• Video: Getting start with GraphQL on .NET using HotChocolate

CoreWCF

• CoreWCF overview
• CoreWCF walkthrough

gRPC

• Overview of gRPC on .NET
• Write gRPC services with C# and .NET
• Call gRPC services from .NET with C#
• Why migrate from WCF to gRPC on ASP.NET Core

SignalR

• Introduction to SignalR
• Guide to the SignalR API
• SignalR API design considerations