Call C# Function On Code Behind From Ajax Function

I've been trying to get to a code behind function to get two variables encrypted to return as querystrings. But I've been unsuccessfull. First time trying Ajax. So, in code behind

Solution 1:

You had an error in your javascript. resp.d instead of resp.data:

function testAPI() {
        console.log('Welcome!  Fetching your information.... ');
        FB.api('/me?fields=name,email', function (response) {
            console.log('Successful login for: ' + response.name);
            Ajax(response.email, response.name)
        });
    }

    function Ajax(expressao1, expressao2) {
        var requestObject = { str : expressao1, str2 : expressao2 }
        $.ajax({
            url: 'login.aspx/EncritaDados',
            method: 'post',
            contentType:'application/json',
            data: JSON.stringify(requestObject),
            dataType:'json',
            success: function (resp) {
                var strings = resp.data.split(";");
                window.location.href = 'login.aspx?email=' + strings[0] + '&nome=' + strings[1];
            },
            error: function () { }
        })
    }