ASP.NET中ListBox控件的使用

文章来源：http://www.cnblogs.com/fengzheng126/archive/2012/04/10/2441551.html

ListBox控件属性介绍：

SelectIndex：当前选中的列表项的序号。

SelectItem：当前选中的列表项。

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清除列表框中全部的列表代码：

//获取列表框的选项数
        int count = ListBox1.Items.Count;
        int index = 0;
        //循环列表框中的列表数
        for (int i = 0; i < count; i++)
        {
            ListItem item = ListBox1.Items[index];
            //移除列表框中的列表项
            ListBox1.Items.Remove(item);
        }
        //获取下一个选项的索引值
        index++;

清除一个或多个列表的代码：

//获取列表框的选项数
        int count = ListBox1.Items.Count;
        int index = 0;
        for (int i = 0; i < count; i++)
        {
            ListItem item = ListBox1.Items[index];
            if (ListBox1.Items[index].Selected==true)   //判断当前列表框中选择的列表项
            {

                ListBox1.Items.Remove(item);   //移除当前列表框中选择的列表项
                index--;
            }
            index++;
        }

上移代码：

//若不是第一行则上移
        if (ListBox1.SelectedIndex > 0 && ListBox1.SelectedIndex <= ListBox1.Items.Count - 1)
        {
            //保存当前选项的信息
            string name = ListBox1.SelectedItem.Text;
            string value = ListBox1.SelectedItem.Value;
            //获取当前选项的索引号
            int index = ListBox1.SelectedIndex;
            //交换当前选项与上一项的信息
            ListBox1.SelectedItem.Text = ListBox1.Items[index - 1].Text;
            ListBox1.SelectedItem.Value = ListBox1.Items[index - 1].Value;
            ListBox1.Items[index - 1].Text = name;
            ListBox1.Items[index - 1].Value = value;
            //设定上一项为当前选项
            ListBox1.SelectedIndex--;
        }

下移代码：

//若不是最后一行则下移
        if (ListBox1.SelectedIndex >= 0 && ListBox1.SelectedIndex <ListBox1.Items.Count - 1)
        {
           //保存当前选项的信息
            string name = ListBox1.SelectedItem.Text;
            string value = ListBox1.SelectedItem.Value;
            //获取当前选项的索引号
            int index=ListBox1.SelectedIndex;
            //交换当前选项与下一项的信息
            ListBox1.SelectedItem.Text = ListBox1.Items[index + 1].Text;
            ListBox1.SelectedItem.Value = ListBox1.Items[index + 1].Value;
            ListBox1.Items[index + 1].Text = name;
            ListBox1.Items[index + 1].Value = value;
            //设定下一项为当前选项
            ListBox1.SelectedIndex++;
        }

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" alt="" />

左边为目标列表框，右边为源列表框。

全部左移代码：

int count = ListBox2.Items.Count;
        int index = 0;
        for (int i = 0; i < count; i++)
        {
            ListItem item = ListBox2.Items[index];
            ListBox2.Items.Remove(item);
            ListBox1.Items.Add(item);
        }
        index++;

单个或多个右移代码：

int count = ListBox2.Items.Count;
        int index = 0;
        for (int i = 0; i < count; i++)
        {
            ListItem item = ListBox2.Items[index];
            if (ListBox2.Items[index].Selected == true)
            {

                ListBox2.Items.Remove(item);
                ListBox1.Items.Add(item);
                index--;
            }
            index++;
        }