Paste JSON or XML as classes - Visual Studio (Windows) (2024)

FAQs

How do I paste JSON into a class in Visual Studio? ›

In Visual Studio, you can copy text from JSON or XML files and then paste the text as classes in your C# or Visual Basic code. To do so, select Edit > Paste Special and choose either Paste JSON As Classes or Paste XML As Classes.

Convert JSON into Classes

Go to the file where you want to create a class and place the cursor. After clicking the "Paste JSON as Object" menu, the above JSON object is converted into class and pasted in the file as below. You can convert any complex JSON object into the class using the above steps.

JSON is generally a better choice for APIs, mobile apps, and data storage, while XML is better suited for complex document structures that require data exchange.

Generate C# classes from JSON

Place the caret in a C# file where class declarations are allowed. Press Ctrl 0Q or choose Help | Find Action from the main menu. In the popup that opens, start typing Paste Special: JSON as Classes , select the corresponding item and press Enter .

In many cases we have a JSON file from an external source that we would like to use. The easiest way to use it, is to create classes based on it and read them. Just Copy the JSON Data and choose the "Edit\Paste Special\Paste JSON As Classes" and that's it.

readValue(jsonString, User. class) . In this example, we're using the ObjectMapper class from the Jackson library to convert a JSON string ( jsonString ) into a Java object ( User ). The readValue method is used to map the JSON data to the User class.

Go to Edit > Paste Sepcial > Paste JSON As Classes or Paste XML As Classes. Visual Studio generates a class structure for the developer as in the following: The following is an example of the class structure created by copying and pasting a JSON string.

Examples: Extracting properties

To extract the name and projects properties from the JSON string, use the json_extract function as in the following example. The json_extract function takes the column containing the JSON string, and searches it using a JSONPath -like expression with the dot . notation.

XML has been around for quite a while and has been used for just about everything. So, to answer the question, yes, people do still use XML! In fact, it remains a popular choice for many applications that require more complex data structures or that need to store data in a way that can be easily searched and analyzed.

What are the disadvantages of JSON? ›

4 Disadvantages of JSON

For example, it is less expressive and flexible than XML, meaning there are restrictions on the complexity and variety of data structures and schemas. Additionally, JSON does not support comments, namespaces, or attributes, making it difficult to add metadata or annotations.

Efficiency: JSON is typically faster to parse and has smaller file sizes compared to XML, making it more efficient for data exchange. Native JavaScript Support: JSON's native support by JavaScript makes it a popular choice for web development and API communication.

Json can use the C# source generation feature to improve performance, reduce private memory usage, and facilitate assembly trimming, which reduces app size.

The quickest method of converting between JSON text and a .NET object is using the JsonSerializer. The JsonSerializer converts .NET objects into their JSON equivalent and back again by mapping the .NET object property names to the JSON property names and copies the values for you.

Following the update, I would suggest passing the JSON as a String into your Java Action. You would then need to use a StringReader and the readObject method to turn it into a JSONObject as this isn't a Mendix class. Hope this helps.

Creating JSONArray Directly From JSON String. Like JSONObject, the JSONArray also has a constructor that creates a Java object directly from a JSON String: JSONArray ja = new JSONArray("[true, \"lorem ipsum\", 215]"); This constructor may throw a JSONException if the source String isn't a valid JSON String.