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(C#) Loading and Parsing a JSON ArrayA JSON array is JSON that begins with "[" and ends with "]". For example, this is a JSON array that contains 3 JSON objects. [{"name":"jack"},{"name":"john"},{"name":"joe"}]A JSON object, however, is JSON that begins with "{" and ends with "}". For example, this JSON is an object that contains an array. {"pets":[{"name":"jack"},{"name":"john"},{"name":"joe"}]}This example shows how loading a JSON array is different than loading a JSON object.
string strJsonArray = "[{\"name\":\"jack\"},{\"name\":\"john\"},{\"name\":\"joe\"}]"; string strJsonObject = "{\"pets\":[{\"name\":\"jack\"},{\"name\":\"john\"},{\"name\":\"joe\"}]}"; // A JSON array must be loaded using JsonArray: Chilkat.JsonArray jsonArray = new Chilkat.JsonArray(); jsonArray.Load(strJsonArray); // Examine the values: int i = 0; while (i < jsonArray.Size) { Chilkat.JsonObject jsonObj = jsonArray.ObjectAt(i); Debug.WriteLine(Convert.ToString(i) + ": " + jsonObj.StringOf("name")); i = i + 1; } // Output is: // 0: jack // 1: john // 2: joe // A JSON object must be loaded using JsonObject Chilkat.JsonObject jsonObject = new Chilkat.JsonObject(); jsonObject.Load(strJsonObject); // Examine the values: i = 0; int numPets = jsonObject.SizeOfArray("pets"); while (i < numPets) { jsonObject.I = i; Debug.WriteLine(Convert.ToString(i) + ": " + jsonObject.StringOf("pets[i].name")); i = i + 1; } // Output is: // 0: jack // 1: john // 2: joe |
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