用js脚本给SELECT空间动态添加带参数变量的事件

C# code

 function setButtonAction() {            var table = document.getElementById('List').getElementsByTagName('Table')[0];            var rowsCount = table.rows.length;            for (var i = 1; i < rowsCount; i++) {                var row = table.rows[i];                var select = document.getElementById('List').getElementsByTagName('select')[2 * i - 2]                select.onchange=function () { categoryChange(i,this.value) }                row.cells[4].innerHTML = "<input name='BtDel' value='删除' class=\"Button1\" type='button' onclick=\"deleteRow('" + i + "')\"/>"            }        }