What is the reason behind ASP MVC model binder's preference for JSON in POST requests?

Is there a way to bind data to a model when sending a 'GET' request with JSON.stringify() using AJAX? Currently, the model value is always null when using 'GET', but it works fine with 'POST'. Are there any solutions for this issue?

Edit: Here's a Code Example

JS:

$.ajax({
    var modelsend = {
        itemname: 'shoe',
        itemcolor: 'red',
        itemsize: '31',
        itemvariety: 'SR-31',
    }
    type: "POST",
    url: "@Url.Action("ShowData", "Controller")",
    data: JSON.stringify(modelsend),
    dataType: "json",
    contentType: "application/json",
    success: function (data) {
        //do something with data
    },
    error: function (jqXHR, textStatus, errorThrown) {
        //show error
    }
});

Model:

public class shoemodel
{
    public string itemname { get; set; }
    public string itemcolor { get; set; }
    public string itemsize { get; set; }
    public string itemvariety { get; set; }
}

Controller:

public ActionResult ShowData(shoemodel get)
{
    List<DataGrid> fetch = func.getdata(get);
    return Json(fetch);
}

Answer №1

It's important to remember the distinction between GET and POST methods in web development: GET is typically used for retrieving information without altering it, while POST is commonly employed for making changes to data. GET can also be utilized to modify content by incorporating a query string in the URL. Conversely, POST sends form data directly to the server.

Answer №2

When making an HTTP request with the 'GET' method, a body is not supported. To send parameters using 'GET', you can utilize the format 'application/x-www-form-urlencoded' by appending them to the URL like this.

http://example.com/?key1=value1&key2=value2

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