public async void createRelationship(string from, string to, string type)
{
Relation r = new Relation { to = uri + "node/" + to, type = type };
await h.PostAsync(uri + "node/" + from + "/relationships", new StringContent(JsonConvert.SerializeObject(r).ToString(), Encoding.UTF8, "application/json"));
}
public async Task<IHttpActionResult> createClass(Class a)
{
a.standard = a.standard.ToUpper();
g.Connect();
NodeReference<Class> node = g.Create(a);
long x = node.Id;
a.self = x.ToString();
g.Update<Class>(node, a);
await h.PostAsync(uri + "node/" + x + "/labels", new StringContent("\"class\""));
Relation r = new Relation { to = uri + "node/" + a.school, type = "institute" };
await h.PostAsync(uri + "node/" + x + "/relationships", new StringContent(JsonConvert.SerializeObject(r).ToString(), Encoding.UTF8, "application/json"));
r = new Relation { to = uri + "node/" + x, type = "class" };
await h.PostAsync(uri + "node/" + a.school + "/relationships", new StringContent(JsonConvert.SerializeObject(r).ToString(), Encoding.UTF8, "application/json"));
return Ok(a);
}