菜鸟学堂
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源代码
<script runat="server"> Sub submit(sender As Object, e As EventArgs) mess.Text="You selected " & drop1.SelectedItem.Text End Sub </script> <!DOCTYPE html> <html> <body> <form runat="server"> <asp:DropDownList id="drop1" runat="server"> <asp:ListItem>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:DropDownList> <asp:Button Text="Submit" OnClick="submit" runat="server"/> <p><asp:label id="mess" runat="server"/></p> </form> </body> </html>
运行结果
在线运行
菜鸟学堂 edu.jb51.net