警告窗口

  /// <summary>
  /// 服务器端弹出alert对话框
  /// </summary>
  /// <param name="str_Message">提示信息,例子："不能为空!"</param>
  /// <param name="page">Page类</param>
  public void Alert(string str_Message,Page page)
  {
   page.RegisterStartupScript("","<script>alert('"+str_Message+"');</script>");
  }