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Question by mdagreda · Jan 19, 2013 at 12:59 AM · jsonconversionnumbers

How do I get a number out of a JSON file with JSONObject.cs

I am trying to get a number from a JSON file using JSONObject.cs from the unity [wiki][1] but I'm having some trouble. I am able to print the number from the json file using JSONObject.cs but saving that number in a variable is not working because unity says that the thing I have been printing is a JSONObject not a number. So here is some of my code if it helps.

 var cParsedData: JSONObject = new JSONObject(textStringData);
 print(cParsedData[0][s][attributePos);//this prints a number
 var tempNum: double  = cParsedData[0][0][attributePos].double;

Any ideas? [1]: http://wiki.unity3d.com/index.php/JSONObject

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avatar image mdagreda · Jan 19, 2013 at 01:02 AM 0
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actually unity says that NullReferenceException: Object reference not set to an instance of an object on the third line

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Answer by Bunny83 · Jan 19, 2013 at 01:39 AM

If you are sure it's a number, just assign it to the double variable. The value should be implicitly casted:

 var tempNum: double = cParsedData[0][0][attributePos];
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