LINQ to Redis Data

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Redis ADO.NET Provider

Rapidly create and deploy powerful .NET applications that integrate with Redis data stores.

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LINQ provides general-purpose query facilities in .NET Framework 3.0 and above and provides one easy way to programmatically access data through from CData ADO.NET Data Providers. This example uses LINQ to access information from the Redis Data Provider.

This article demonstrates how to use LINQ to access Redis tables through the CData ADO.NET Data Provider for Redis. To do this you will LINQ to Entity Framework, which is used to generate the connection and can be used with any CData ADO.NET Data Providers to access data via LINQ.

See the help documentation for a guide to setting up an EF 6 project to use the provider.

  1. In a new project in Visual Studio, right-click on the project and choose to add a new item. Add an ADO.NET Entity Data Model.
  2. Choose EF Designer from Database and click Next.
  3. Add a new Data Connection, and change your data source type to "CData Redis Data Source".

  4. Enter your data source connection information.

    Set the following connection properties to connect to a Redis instance:

    • Server: Set this to the name or address of the server your Redis instance is running on. You can specify the port in Port.
    • Password: Set this to the password used to authenticate with a password-protected Redis instance , using the Redis AUTH command.

    Set UseSSL to negotiate SSL/TLS encryption when you connect.

    Below is a typical connection string:

    Server=127.0.0.1;Port=6379;Password=myPassword;
  5. If saving your entity connection to App.Config, set an entity name. In this example we are setting RedisEntities as our entity connection in App.Config.
  6. Enter a model name and select any tables or views you would like to include in the model.

Using the entity you created, you can now perform select , update, delete, and insert commands. For example:

RedisEntities context = new RedisEntities(); var customersQuery = from customers in context.Customers select customers; foreach (var result in customersQuery) { Console.WriteLine("{0} {1} ", result.Id, result.City); }

See "LINQ and Entity Framework" chapter in the help documentation for example queries of the supported LINQ.