高手快来帮我改一下代码
<tr><td class="pt" vAlign="top">用户名:
<asp:textbox id="username" runat="server" Font-Size="9pt" BackColor="#330099" ForeColor="DeepSkyBlue" MaxLength="20" Width="80px"></asp:textbox></td>
</tr>
<tr>
<td class="pt"> 密码:
<asp:textbox id="pasw" runat="server" Font-Size="9pt" BackColor="#330099" ForeColor="DeepSkyBlue" MaxLength="20" Width="80px" TextMode="Password"></asp:textbox></td>
</tr>
<tr>
<td style="HEIGHT: 23px" align="middle"><input onmouseover="this.style.backgroundColor='#9900cc'" style="FONT-SIZE: 9pt; COLOR: deepskyblue; BACKGROUND-COLOR: #330099" onclick="window.open('index.aspx')" onmouseout="this.style.backgroundColor='#330099'" type="button" value="登陆" name="button">
<input onmouseover="this.style.backgroundColor='#9900cc'" style="FONT-SIZE: 9pt; COLOR: deepskyblue; BACKGROUND-COLOR: #330099" onclick="window.open('regest.aspx')" onmouseout="this.style.backgroundColor='#330099'" type="button" value="注册" name="button">
为什么浏览的时候 就是用户名和密码：没有输入的地方，还有 不能判断 是否有这个用户名啊
