demo_textbox2 在线工具
<html> <body> <form runat="server"> <asp:TextBox id="txt1" Text="Hello World!" Font_Face="verdana" BackColor="#0000ff" ForeColor="white" TextMode="MultiLine" Height="50" runat="server" /> <asp:Button OnClick="submit" Text="Copy Text to Label" runat="server" /> <p><asp:Label id="lbl1" runat="server" /></p> </form> </body> </html>