<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ext.aspx.cs" Inherits="ext" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
<link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css" />
<script type="text/javascript" src="extjs/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="extjs/ext-all.js"></script>
<script type="text/javascript" src="extjs/ext-core.js"></script>
<script language="javascript">
Ext.onReady(function(){ var win=new Ext.Window({title:"不能关闭的窗口", height:200, width:300});win.on("beforedestroy",function(obj){alert("想关闭我,这是不可能的!"); obj.show();return false;});win.show();});</script>
</head>
<body>
<input id="btnAlert" type="button" value="alert框" />
</body>
</html>
上面的代码调试的时候,总是出现: 行:93
字符:479
错误:'this.el'为空或不是对象
<head runat="server">
<title>无标题页</title>
<link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css" />
<script type="text/javascript" src="extjs/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="extjs/ext-all.js"></script>
<script type="text/javascript" src="extjs/ext-core.js"></script>
<script language="javascript">
Ext.onReady(function(){ var win=new Ext.Window({title:"不能关闭的窗口", height:200, width:300});win.on("beforedestroy",function(obj){alert("想关闭我,这是不可能的!"); obj.show();return false;});win.show();});</script>
</head>
<body>
<input id="btnAlert" type="button" value="alert框" />
</body>
</html>
上面的代码调试的时候,总是出现: 行:93
字符:479
错误:'this.el'为空或不是对象
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把<script type="text/javascript" src="extjs/ext-core.js"> </script>去掉
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Untitled Page</title>
<link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css" />
<script type="text/javascript" src="extjs/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="extjs/ext-all.js"></script>
</head>
<body>
<input id="btnAlert" type="button" value="alert框" />
<script type="text/javascript">
alert('dd');
Ext.onReady(function(){
var win=new Ext.Window({title:"1234567", height:200, width:300});
win.on("beforedestroy",function(obj){
alert("12sdfdfgdfgdfg!");
obj.show();
return false;
});
win.show();
});</script>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Untitled Page</title>
<link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css" />
<script type="text/javascript" src="extjs/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="extjs/ext-all.js"></script> <script type="text/javascript">
Ext.onReady(function(){
var win=new Ext.Window({title:"不能关闭的窗口", height:200, width:300});
win.on("beforedestroy",function(obj){
alert("想关闭我,这是不可能的!");
obj.show();
return false;
});
win.show();
});
</script>
</head>
<body>
<input id="btnAlert" type="button" value="alert框" /> </body>
</html>
ext-core.js是不用引用进来的,去掉!