How to send bi-dimensional array from angular js to web API

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AngularJs

WebAPI2

I have two solutions running on my desktop: One is a web solution using angularjs and calling the other solution which is a web API based on MVC and both are written in vb.net. Everything is working perfectly except one thing: when I tried to send a bi-dimensional I got below error:

The request is invalid. The parameters dictionary contains an invalid entry for parameter 'myBiDimenArray' for method 'System.Web.Http.IHttpActionResult Calculate(System.String[,], Int32)' in 'CustomAPI.TestController'. The dictionary contains a value of type 'System.String[]', but the parameter requires a value of type 'System.String[,]'."

Below is my code in angular js:

var myBiDimenArray = [
            [1, 6],
            [5, 2],
            [9, 10]
            ];

console.log(myBiDimenArray); // it logs the array correctly

return $http({
            method: "GET",
            url: urlBase + "Calculate",   
            params: {
                myBiDimenArray: myBiDimenArray,
                intSize: 1,
            },
            headers: {
                'Content-Type': 'application/json',
                'X-ApiKey': 'test' ,
                'Authorization': 'Basic 123456'
            }
        });

Below is my code in Web APi:

<HttpGet>
    Public Function Calculate(<FromUri> ByVal myBiDimenArray(,) As String, <FromUri> ByVal intSize As Integer) As IHttpActionResult
  ....
 End Function

Any suggestions?

I am new to this, I have searched for how to create Bi-Dimen Array in vb.net and in JavaScript so I implemented the above in my solutions but error 400 is thrown and method is even not accessed.


Update:

Please note that this is my route in webAPi config file:

config.Routes.MapHttpRoute( _
 name:="Test_Calculate", _
 routeTemplate:="api/{controller}/{action}/{myBiDimenArray}/{intSize}", _
 defaults:=New With {.controller = "Test", .action = "Calculate"} _
)

Could it be a configuration problem?

What I have tried:

I have changed the web APi method to this:

<HttpGet>
    Public Function Calculate(<FromUri> ByVal myBiDimenArray()() As String, <FromUri> ByVal intSize As Integer) As IHttpActionResult
  ....
 End Function

The method could be accessed, myBiDimenArray length was 3 (which is correct), but each array inside was acting like a String, example: "[1,6]" : 1 parameter instead of being 2 params inside an array;