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asp.net错误与<form id=“form1” runat=“server”>

[英]asp.net error with <form id=“form1” runat=“server”>

我是一个新手程序员,我希望摆脱javascript的传统警报弹出窗口,但我发现弹出窗口具有良好的gui,但在asp.net中无法正常工作

我的问题是如果我删除

<form id="form1" runat="server">

编码完美

但是如果我在asp.net中添加了

<form id="form1" runat="server">

弹出窗口不起作用。 单击按钮后,它将重新加载整个站点,而不是弹出消息。 为什么? 这是整个代码

 <script type="text/javascript"> /** * See how to limit only one dialog can be opened at a time. */ $(function () { var $btn = $('#btn-open'); $btn.on('click', function (event) { BootstrapDialog.closeAll(); var dialog = new BootstrapDialog({ message: 'The only one.' }); dialog.open(); }); }); </script> 
  <style type="text/css"> .floating-menu { background-color: gray; border: 1px solid blue; padding: 20px; position: absolute; top: 10px; right: 10px; z-index: 9999; } </style> 
 <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <script src="https://code.jquery.com/jquery-2.1.4.min.js"></script> <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" type="text/css" /> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/run_prettify.min.js"></script> <link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap3-dialog/1.34.5/css/bootstrap-dialog.min.css" rel="stylesheet" type="text/css" /> <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap3-dialog/1.34.5/js/bootstrap-dialog.min.js"></script> <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css"/> <title>Only one dialog</title> </head> <body> <form id="form1" runat="server"> <div> <div class="floating-menu"> <button class="btn btn-primary" id="btn-open">Open dialog</button> </div> </div> </form> </body> </html> 

因为默认情况下, button控件是submit类型,并且它将把表单发布到服务器,所以要避免这种情况,您可以将其指定为按钮,如下所示:

<button type="button" class="btn btn-primary" id="btn-open">Open dialog</button>

否则您可以使用jQuery preventDefault方法:-

 $(function () {
     var $btn = $('#btn-open');
     $btn.on('click', function (event) {
         event.preventDefault();
         BootstrapDialog.closeAll();
         var dialog = new BootstrapDialog({
              message: 'The only one.'
         });
         dialog.open();
         });
  });

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