110,567
社区成员
发帖
与我相关
我的任务
分享
protected void Button1_Click(object sender, EventArgs e)
{
List<ListItem> list = new List<ListItem>();
for (int i = 0; i < ListBox1.Items.Count; i++)
{
if (!ListBox1.Items[i].Selected)
list.Add(ListBox1.Items[i]);
}
foreach (ListItem item in list)
ListBox1.Items.Remove(item);
}
for (int i = listBox4.SelectedIndices.Count - 1; i > -1; i--)
{
listBox4.Items.RemoveAt(listBox4.SelectedIndices[i]);
}