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(C#) JSON: Nested ArrayHere we have a JSON object that contains nested arrays. This example demonstrates how to access the contents of the nested arrays. { "numbers" : [ ["even", 2, 4, 6, 8], ["prime", 2, 3, 5, 7, 11, 13] ] }
Chilkat.JsonObject json = new Chilkat.JsonObject(); // This is the above JSON with whitespace chars removed (SPACE, TAB, CR, and LF chars). // The presence of whitespace chars for pretty-printing makes no difference to the Load // method. string jsonStr = "{ \"numbers\" : [ [\"even\", 2, 4, 6, 8], [\"prime\", 2, 3, 5, 7, 11, 13] ] }"; bool success = json.Load(jsonStr); if (success != true) { Debug.WriteLine(json.LastErrorText); return; } // Get the value of the "numbers" object, which is an array that contains JSON arrays. Chilkat.JsonArray outerArray = json.ArrayOf("numbers"); if (json.LastMethodSuccess == false) { Debug.WriteLine("numbers array not found."); return; } int numArrays = outerArray.Size; int i; for (i = 0; i <= numArrays - 1; i++) { Chilkat.JsonArray innerArray = outerArray.ArrayAt(i); // The first item in the innerArray is a string Debug.WriteLine(innerArray.StringAt(0) + ":"); int numInnerItems = innerArray.Size; int j; for (j = 1; j <= numInnerItems - 1; j++) { Debug.WriteLine(" " + Convert.ToString(innerArray.IntAt(j))); } } |
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