如何用javascript获取CheckBoxList中选中的值

Question

在线等,问题解决分全给
--------
function add()
{
 var owner = document.getElementById("ListBox3");
        if (!owner || owner.disabled)
            return false;
        var element;
        var i = 0;
        while (element = document.getElementById("ListBox3" + "_" + (i++)))
        {
                alert(element.value);
            if (!element.disabled)
                element.checked = true;
        }
        
        return false;
}
--------------
ListBox3是CheckBoxList的ID名称
这是全选的功能,但不知道获取它选中的值

Answer 1

CheckBoxList在客户端没有value值你可以参考
http://topic.csdn.net/t/20051124/13/4415350.html

Answer 2

function getChecked()
{
 var owner = document.getElementById("ListBox3");
        if (!owner || owner.disabled)
            return false;
        var element;
        var i = 0;
        var n = 0;
        var resultArray = new Array();
        while (element = document.getElementById("ListBox3" + "_" + (i++)))
        {
                alert(element.value);
            if (!element.disabled)
                resultArray[n++] = element.Id;
        }
        
        return resultArray;
}

Answer 3

问题已解决
---------
//选择
function add()
        {                   var a =document.getElementById("UcUserInfoSelect1_lstUserList");//checklistbox在ＨＴＭＬ中的ＩＤ
                var objsel = document.getElementById("UcUserInfoSelect1_lstUserSelected");//CheckBox在ＨＴＭＬ中的ＩＤ
                var v = "";                for (var i = 0; i < a.rows.length; i++)
                {
                  if ((a.rows(i).cells(0).childNodes(0).checked))
                  {
                    v = a.rows[i].cells[0].childNodes(1).innerText;
                    customOptions = document.createElement("OPTION");
                    customOptions.text = v;
                    customOptions.value    = v;
                    if(Check(v)==false)
                    {
                        objsel.add(customOptions,0);   
                    }        
                  }
                }
             return false;      
        }

Answer 4

//检查是否已经存在
        function  Check(userName)
        {
            var lst1=window.document.getElementById("UcUserInfoSelect1_lstUserSelected");
            var length = lst1.options.length;
            for(var i=0;i<length;i++)
            {
                var v = lst1.options[i].value;
                if(v == userName)
                {
                    return true;
                }
            }
            return false;
        }

Answer 5

注意 checklistbox
和   listbox取值的方法是不同的