回传期间文件上传路径被删除. [英] File upload path gets erased during postbacks.

问题描述

文件上传路径在回发期间被擦除.

File upload path gets errased during postbacks. Please tell me how to solve this?

推荐答案

将路径放入会话变量中.

Put the path into a session variable.

先生，我想你是在这种情况下，请使用诸如更新面板之类的异步技术，并使用回发事件将异步回发触发器添加到更新面板.

Sir, I think you are using some asynchronous technique like update panels in this case you should add an asynchronous postback trigger to the update panel with your postback event.

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