如何给CheckBoxList赋值？

Question

要同时赋多个值，应该怎么做比如A,C,D同时被选择

Answer 1

 function OnTreeNodeChecked() 
    { 
        var ele = event.srcElement; 
        if(ele.type=='checkbox') 
        { 
            
            var childrenDivID = ele.id.replace('CheckBox','Nodes'); 
            var div = document.getElementById(childrenDivID); 
            if(div==null)
                return; 
                
            var checkBoxs = div.getElementsByTagName('INPUT'); 
            for(var i=0;i<checkBoxs.length;i++) 
            { 
                if(checkBoxs[i].type=='checkbox') 
                    checkBoxs[i].checked=ele.checked; 
            }             if(ele.parentNode.parentNode.parentNode.parentNode.parentNode.id=='<%=TreeUser.ClientID%>')
            {
                if(current==null)
                {
                    current=ele;
                }
                else
                {
                                    
                    current.checked=false;
                    childrenDivID = current.id.replace('CheckBox','Nodes'); 
                    div = document.getElementById(childrenDivID); 
                    if(div!=null)
                    {                            
                        checkBoxs = div.getElementsByTagName('INPUT'); 
                        for(var i=0;i<checkBoxs.length;i++) 
                        { 
                            if(checkBoxs[i].type=='checkbox') 
                                checkBoxs[i].checked=false; 
                        }
                    } 
                    if(current==ele)
                    {
                        current=null;
                    }
                    else
                    {
                        current=ele;
                        
                    }
                }
            }
            
        } 
    } 

Answer 2

if(CheckBoxList1.Items[0].Selected == true)
{
 string A=....
}
if(CheckBoxList1.Items[1].Selected == true)
{
 string b=....
}
...................

Answer 3

  <input type="checkbox" name="TestDriveType" value="aaaa" />
  <input type="checkbox" name="TestDriveType" value="bbbb" />
  <input type="checkbox" name="TestDriveType" value="cccc" />
 ________________________________________________________________ string _TestDriveType = Request.Form["TestDriveType"];
            if (string.IsNullOrEmpty(_TestDriveType))
            {
                _TestDriveType = "";
            }