ICallbackEventHandler interfaces without refresh sourceFeatures: In the default model ASP.NET Web page, the user will interact with the page, click the button or perform some other action cause postback. The weightCreate a new page and its controls, and run the code page on the server, and the new version of the page is rendered to the browser. However, in some cases, the needRun server code the client without performing a postback. If the client script page maintains some state information (for example, local variable values)Then send pages and obtain a new copy of the page will damage the state. In addition, the page was posted back will lead to processing overhead that can degrade performance and let usersWe have to wait for processing and re-create the page. You can use ICallbackEventHandler interface so that it can perform client callbacks. In a client callback. Use the source cited several demo examples of helpful learningnote: Development environment for Visual Studio 2010

使用ICallbackEventHandler实现无刷新.txt

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