$(document).ready(function () {

    $('inp:matricula').blur(function () {
        var IdAluno = $('inp:matricula').val();

        $.getJSON("..JsonAprEst.aspx?inpMatricula=" + IdAluno, function (data) {
            var items = data.rows;
            if (items.length > 0) {
                $.each(items, function (i, row) {
                    InsertNewRow($('table#TabelaDisciplinas button#BtnInsertNewRow')[0], true);
                    var vDisciplina = $("inp:disciplina");//.closest("tr").find("input[xname='inpdisciplina']");
                    vDisciplina.val(row.Disciplina);
                    console.log(vDisciplina);
                });
            }
        });
    });
});