后台按钮事件内容:
protected void Button1_Click(object sender, EventArgs e)
{
Labeltip.Visible = true;
TextBox_user.Text = string.Empty;
TextBox_password.Text = string.Empty;
TextBox_mail.Text = string.Empty;
TextBox_address.Text = string.Empty;
}
前台的样式没写，你应该会吧，不会再说吧。
