📄 listboxselected.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

字号:

<%@ Page Language="C#"%>

<script Runat="Server">

void Button_Click( object s, EventArgs e ) {
  lblSelectedIndex.Text = lstProducts.SelectedIndex.ToString();
  lblSelectedItem.Text = lstProducts.SelectedItem.Text.ToString();
}
</Script>

<html>
<head><title>ListBoxSelected.aspx</title></head>
<body>

<form Runat="Server">

<asp:ListBox
  ID="lstProducts"
  Runat="Server">
  <asp:ListItem Text="Hair Dryer" />
  <asp:ListItem Text="Shaving Cream" Selected="True"/>
  <asp:ListItem Text="Electric Comb"/>
</asp:ListBox>

<asp:Button
  Text="Pick A Product!"
  OnClick="Button_Click"
  Runat="Server" />

<hr>

Selected Index:
<asp:Label
  ID="lblSelectedIndex"
  Runat="Server" />

<p>

Selected Item:
<asp:Label
  ID="lblSelectedItem"
  Runat="Server" />

</form>

</body>
</html>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -