本文介绍了如何对下拉列表中的项目进行分组的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个下拉列表,我想将项目分为两组,在第一组中,我想显示组名作为标题,即印度,在此组状态下应显示,但印度不是项目,这意味着我不应该只能选择选定的州,第二组也应与第一组相同.标题应显示该地区下的州. 我可以使用asp中的下拉列表控件添加项目,但如何将名称设置为组. 有人可以帮助我吗?.
i have a drop down list and i want to divide items into two groups, at first group i want to display group name as a title i.e.,india, under this group states should display, but india is not a item means i should not be selected only states should selected, second group also same as first here title is states under this districts should display. i can add item using drop down list control in asp but how to set name to group. can anybody help me plz..
推荐答案尝试一下: Try This: <select id="ListBox1" > <optgroup label="India"></optgroup> <option>State1</option> <option>State2</option> <option>State3</option> <optgroup label="Country"> </optgroup> <option>State1</option> <option>State2</option> <option>State3</option> </select>
使用选项组 这是代码: 具有OptionGroup支持的ASP.NET DropDownList [ ^ ] [ ^ ] Use Option Group Here is code : ASP.NET DropDownList with OptionGroup support[^][^]
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如何对下拉列表中的项目进行分组
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