Breeze | Datajs - No Handler For Data

I am new in breeze world, but I want use it in my application. I tried test it with simple ASP.Net Api OData service based on Northwind.sdf database. In DataService project I have

Solution 1:

I think you are missing Metadata in your contoller

public string Metadata()
    {
        return _contextProvider.Metadata();
    }

Solution 2:

If your service uses OData version 4 then DataJs and inherently BreezeJs (which usess datajs) will throw this exception as you have found.

Breeze has an open issue for this: https://github.com/Breeze/breeze.js/issues/39. It looks like you can use this BreezeJs adapter to solve problems with OData version 4.0: https://github.com/tschettler/breezejs-odata4-adapter

Here is a status report as of May 2014 that confirms the above: http://www.odata.org/blog/status-updates-of-odata-libraries-that-support-odata-version-4-0/

For OData version 4 you can use another javascript library called Olingo as described here: http://olingo.apache.org/doc/javascript/index.html

Here is a summary of libraries with specified supported version: http://www.odata.org/libraries/