W3School TIY Editor
开课吧_Vue源码剖析_Vue3语法剖析教程
W3School 在线教程
改变方向
暗黑模式
<script runat="server"> Sub submit(Sender As Object,e As EventArgs) mess.Text="您选择了：" & drop1.SelectedItem.Text End Sub </script> <html> <body> <form runat="server"> <asp:ListBox id="drop1" rows="3" runat="server"> <asp:ListItem selected="true">Item 1</asp:ListItem> <asp:ListItem>Item 2</asp:ListItem> <asp:ListItem>Item 3</asp:ListItem> <asp:ListItem>Item 4</asp:ListItem> <asp:ListItem>Item 5</asp:ListItem> <asp:ListItem>Item 6</asp:ListItem> </asp:ListBox> <asp:Button Text="提交" OnClick="submit" runat="server" /> <p><asp:label id="mess" runat="server" /></p> </form> </body> </html>