What does Invalid JSON primitive mean?

What does Invalid JSON primitive mean?

Based on the code above, jQuery might not send it as JSON data but instead serialise it to “foo=foovalue&bar=barvalue” thus you get the error “Invalid JSON primitive: foo”. Just a reminder that – “contentType” is the type of data you are sending to the server.

What is a JSON primitive?

JSON can represent four primitive types (strings, numbers, booleans, and null) and two structured types (objects and arrays). A string is a sequence of zero or more Unicode characters [UNICODE].

What is JSON Stringify in C#?

JSON. stringify() Actually converts a JavaScript object into a string, you can do it in server side like this: using System. Web.

Which primitive type is not supported in JSON?

JSON can represent (sub)values of four primitive data types and of two compound data types. The primitive data types are string, number, boolean, and null. Notice that JSON cannot represent a date-time value except as a conventionally formatted string value.

What are JSON data types?

JSON defines seven value types: string, number, object, array, true, false, and null. The following example shows JSON data for a sample object that contains name-value pairs. The value for the name “phoneNumbers” is an array whose elements are two objects.

What is JSON serialization in C#?

Serialization is the process of converting . NET objects such as strings into a JSON format and deserialization is the process of converting JSON data into . NET objects. In this article and code examples, first we will learn how to serialize JSON in C# and then we will learn how to deserialize JSON in C#.

Which is not a JSON type?

JSON values cannot be one of the following data types: a function. a date. undefined.

How is JSON transmitted?

JSON is a text-based data format following JavaScript object syntax, which was popularized by Douglas Crockford. Note: Converting a string to a native object is called deserialization, while converting a native object to a string so it can be transmitted across the network is called serialization.

How do I deserialize JSON?

In Deserialization, it does the opposite of Serialization which means it converts JSON string to custom . Net object. In the following code, it calls the static method DeserializeObject() of the JsonConvert class by passing JSON data. It returns a custom object (BlogSites) from JSON data.

Why do I get invalid JSON primitive in jQuery?

If it is a valid json object like {‘foo’:’foovalue’, ‘bar’:’barvalue’} then jQuery might not send it as json data but instead serialize it to foor=foovalue&bar=barvalue thus you get the error “Invalid JSON primitive: foo”. Try instead setting the data as string.

Is the input string really a wrong JSON string?

Your input string is really a wrong JSON string. You input consist from two correct JSON strings: but you can not concatenate two JSON strings. To say exactly what you receive after such concatenating in not more a JSON string. I recommend you to verify JSON strings in http://www.jsonlint.com/.

What does datatype and datatype mean in JSON?

And “dataType” is the format what you are expecting to get back from the server. e.g. json, html, text, etc. To fulfil our promise, we need to send the data as JSON format. For which we can use the “JSON.stringify” method to wrap the data as string as shown below.

Which is the best way to validate JSON strings?

I recommend you to verify JSON strings in http://www.jsonlint.com/. Just cut and paste the data which you need to verify and click “Validate” button. To answer the question directly, since everyone thinks this is a Microsoft forum and not answering directly.