Can I add a dropdownlist to textbox like datepicker in jQuery

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jQuery

I have a textbox and I want to bound dropdownlist control on it like datepicker in jquery.
Is this possible or not.
Please suggest..

I try this one, that is bound on click event of jquery..

function EditAge() {
            var lblStudAge = $('#Age').html();
            var dropDownStudAge = '<select id="ddlAge">';
            for (var count = 10; count <= 25; count++) {
                dropDownStudAge += '<option value="' + count + '"selected>' + count + '</option>';
            }
            dropDownStudAge += '</select>';
            $('#Age').html(dropDownStudAge);
            $('#ddlAge').val(lblStudAge.split(' ')[0]);

        }