Then, in the IF statement if it is a single object I parse the JSON into a JsonObject, create. So at that point I know if it is an array of products or a single product. If the JSON is a single object then when it is cast to a JsonArray it will be null. Since those strings to not represent json you have to parse those strings manually. The way I handled this is to parse the raw JSON (a string variable) into a JsonArray object.

The text inside those values do not represent json and is not parsed as json since it's just text. System.NotSupportedException: The collection type '' is not supported. Parse ( String json ) at TileScraperForm. On a ASPNetcore 3.xx webAPI when a controller action accepts a JObject as parameter, during execution the server throws the following exception. Parse ( String json, JsonLoadSettings settings ) at Newtonsoft. Load ( JsonReader reader, JsonLoadSettings settings ) at Newtonsoft. Below is the sample JSON Array example with 2 JSON Objects in it. This is helpful in parsing the API response that comes as a JSON Array. Those are just string values, so just text from the json's perspective. Current JsonReader item is not an object: StartArray. Convert JSON Array to JSON Object using the. Your problem is not parsing the json but that your camera object actually only contains 3 string values, specifically 'camera_name', 'intrinsic_param' and 'transf_matrix'. Finally it does beautify your json by apply proper indention which also helps to see the actual structure of your json. Second you get nice syntax highlighting which makes it easier to read the json and identify the atomic elements your json text is composed of. First of all you know if your json is valid and if it can be parsed by a common parser or not. You get several things for free when you do this. JArray obj = (json) įoreach (JObject config in result)Ĭonsole.Ok, first of all if you're not sure if your json is valid or not, head over to a site like, paste your json and press validate. I've been unable to piece together how to accomplish this goal.Ī JObject is an object (analogous to a class): ]' This does not work, but I hope it illustrates what my end goal is. What I have right now is as follows: foreach (JObject config in result)Ĭonsole.WriteLine(name + ' - ' + id + ' - ' + gid) I'm having a hard time understanding what Newstonsoft calls a JObject vs a JArray, or how to access the various parts of each of those data structures.

Ideally, I'll end up with something like this: 1000, myItem1 I need to iterate through this such that I'm grabbing a list of ids and name from only the config sub-arrays. not a primitive type like integer, not a collection type like an array or List) that can be deserialized from a JSON object. 1,2,3) or change the deserialized type so that it is a normal. I have pulled it into Memory as a JArray. To fix this error either change the JSON to a JSON array (e.g.

Newtonsoft jobject parse array