How to deserialize or parse the Json object into an array...

Question

{

"shapes":[{"id":"A","cursor":"pointer","visual":null,"x":69.25,"y":50},{"name":"Right"},{"name":"Auto"}],"width":10,"height":10},"undoable":true}],

"connections":[{"id":"8Op6PApGWW","selectable":true,"serializable":true,"from":{"shapeId":"A"},"toX":null,"toY":null,"to":{"shapeId":"B"}}]

},

 

This is my json data.

I have to deserialize the data into an array format so i can access the from and to value of connections. 

like var fromid=connections[0].from;

There are more than one shape and connections.

What I have tried is:

string jsonString = diagram.ResponseData.diagramJson;

JArray jsondata = (JArray)JsonConvert.DeserializeObject(jsonString);

 

But It will throw an error.

{"Unable to cast object of type 'Newtonsoft.Json.Linq.JObject' to type 'Newtonsoft.Json.Linq.JArray'."}

 

Is anything  wrong while deserializing.