如何解决此错误？无法加载文件或程序集“log4net”或其依赖项之一。尝试加载格式不正确的程序。 [英] how to solve this Error?Could not load file or assembly 'log4net' or one of its dependencies. An attempt was made to load a program with an incorrect format.

问题描述

I am add Crystal reports in my project after i have this error.i V.S 2010 used.please help me! 

推荐答案

您需要添加log4net.dll作为项目的参考，您的解决方案才能成功构建。

You need to add log4net.dll as a reference to your project and your solution will be built successfully.

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