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问题描述
你能告诉我如何在母版页中实现不应该不保存。 谢谢,
Hi, Can you tell me that how to achieve that "should not allow back without save" in master page. Thanks,
推荐答案使用onbeforeunload事件 www.w3schools/tags/ev_onbeforeunload.asp [ ^ ] 运行一些代码检查是否有未保存的数据,如果有未保存的数据,您可以让浏览器提示用户留在页面上。 www.4guysfromrolla/demos/OnBeforeUnloadDemo1.htm [ ^ ] Use the onbeforeunload event www.w3schools/tags/ev_onbeforeunload.asp[^] Run some code that checks if there is unsaved from data and if there is unsaved data you can cause the browser to prompt the user to stay on the page or not. www.4guysfromrolla/demos/OnBeforeUnloadDemo1.htm[^]
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