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up vote 7 down vote favorite

I am in the process of learning ASP.NET vNext. I need to store two connection strings in the config.json file. How do I store those? Can I do this:

config.json

{
  "connectionStrings" : {
    "connection-1" : "server=...",
    "connection-2" : "server=..."
  }
}

I have not been able to find a schema for config.json. For that reason, I wasn't sure how to do it. I saw the use of IConfiguration here. Still, I wasn't sure how Configuration was available in the app.

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up vote 6 down vote accepted

This is the official Configuration repo and this is a great blog post explaining the configuration system.

Long story short:

  1. You need one or more Microsoft.Framework.ConfigurationModel.* NuGet packages in your application. The list of available packages is here.
  2. Add the configuration sources that you need
  3. Build the config file(s)
  4. Read the configuration sources
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1  
Thank you for sharing. How would you use this model on a class library though? From what I can see, I would have to re-instantiate an IConfiguration object in every single instance of a class in my class library. This seems inefficient. Please correct me if I'm wrong. – xam developer Jan 9 '15 at 13:45
    
You can inject IConfiguration or even hold a static reference to it somewhere... – Victor Hurdugaci Jan 9 '15 at 14:17
    
Thank you for your patience. Do you know of an example of IConfiguration getting injected? I'm slowly learning this stuff :) – xam developer Jan 9 '15 at 15:23
    
I wrote this article a while ago and except a few packages being renamed, it should be a good place to start with dependency injection in ASP.NET vNext blogs.msdn.com/b/webdev/archive/2014/06/17/… – Victor Hurdugaci Jan 9 '15 at 17:59
up vote 2 down vote

Here is how you can do it: 

 {   
      "Data": {
        "connection-1": {
          "ConnectionString": "Server=..."
        },
        "connection-2": {
          "ConnectionString": "Server=..."
        }   
}

}
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