删除下拉列表中的值............................................ ............... [英] remove value in drop down list...........................................................
问题描述
hi
我说英语不好,我希望我能说得好
我的项目中有一个下拉列表(asp.net)框架4(c#))
我想删除这些drop的一些值
用户可以从drop中选择一个值来删除它
drop的值是分层的,父母和孩子
我不知道该怎么办
请帮帮我>
谢谢
hi
I can not speak good English,I wish I could say good
I have a drop down list in my project(asp.net framework 4 (c#))
I want to remove some value of these drop
The user could select a value from drop to remove it
The values of drop is hierarchically,The parent and child
I do not know how to do
Please help me
Thank you
推荐答案
DropDownList的文档说你可以使用删除
或RemoveAt
方法。
ListItemCollection类
删除当前选定的项目
The documentation for DropDownList says you can use theRemove
orRemoveAt
methods.
ListItemCollection Class
Remove the currently selected item
lstReservations.Items.RemoveAt(lstReservations.SelectedIndex)
在Visual Studio中,您可以单击帮助菜单项,然后查看帮助以访问每个.NET Framework类的帮助文件信息。许多帮助文件条目都有小例子。
In Visual Studio, you can click the Help menu item, then View Help to access the help file information for each of the .NET Framework Classes. Many of the help file entries have small examples.
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