i have a web service: “Service.asmx” that gives me some functions , i use “GetArticolo” to get details of one item, this service is on the main folder of the project.

if i call from a page that is on the same directory (as the example below),** no problem at all**

  var webMethod = "Service.asmx/GetArticolo";    
        var parameters = "{'Codarticolo':" + Codarticolo + "}";
            $.ajax({
                type: "POST",
            url: webMethod,
            data: parameters,

the problem is that i am building ad Administration page, that is a folder below, i tried to set all the complete address as parameter

  var webMethod = "https://localhost:44378/Service.asmx/GetArticolo";
            var parameters = "{'Codarticolo':" + Codarticolo + "}";
            $.ajax({
                type: "POST",
            url: webMethod,
            data: parameters,

now questions:
1)as the image below in chrome, how can i see the error in details? it returns error 500, but i need understand more of this.
2) did i do something wrong to call with full address? the code is the same

but keeps giving error