下拉列表框与listbox2联动的问题，急！！！在线等！

Question

listbox怎么连动listbox1，就再连动一遍listbox2不就行了。
要详细的把你代码帖出来。

Answer 1

 protected void MoveItems(ListBox fromList,ListBox toList)
    {
        try
        {
            //判断是否已经选择移动项目
            if (fromList.SelectedIndex > -1)
            {
                int selectInde = fromList.SelectedIndex;
                ListItemCollection listItemCollection = new ListItemCollection();
                foreach (ListItem list in fromList.Items)
                {
                    if (list.Selected)
                    {
                        listItemCollection.Add(list);
                    }
                }
                foreach (ListItem listItem in listItemCollection)
                {
                    toList.Items.Add(listItem);
                    fromList.Items.Remove(listItem);
                }
                //焦点向上一位
                if (selectInde > 0)
                {
                    fromList.SelectedIndex = selectInde - 1;
                }
                
            }
        }
        catch (Exception exp)
        {
            //
          
        }
    }