源代码
<script runat="server"> Sub change(sender As Object, e As EventArgs) lbl1.Text="You changed text to " & txt1.Text End Sub </script> <html> <body> <form runat="server"> Enter your name: <asp:TextBox id="txt1" runat="server" text="Hello World!" ontextchanged="change" autopostback="true"/> <p><asp:Label id="lbl1" runat="server" /></p> </form> </body> </html>
运行结果
