Could not load file or assembly 'System.Web.Extensions解决方案

 今天上传本机的asp.net程序到服务器就会出现了Web.config文件异常。在本地我们调试运行AJAX.NET程序完全没有问题,
具体错误信息:      Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request.
Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies.
系统找不到指定的文件。------------------------------------------------
     Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request.
Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Could not load file or assembly 'System.Web.Extensions.Design, Version=1.0.61025.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. 系统找不到指定的文件。

检查了一下,发现这个问题产生的原因还是出在微软本身,原本我们发布网站的时候都会自动生成dll文件到程序的bin目录。
但是AJAX.NET 1.0无法自动添加关键dll文件到bin目录。因此需要我们手动添加。方法很简单,
找到你安装AJAX.NET 1.0的目录,一般是C:/Program Files/Microsoft ASP.NET/ASP.NET 2.0 AJAX Extensions/v1.0.61025
把里面的System.Web.Extensions.dll文件和System.Web.Extensions.Design.dll文件复制到bin目录下就可以了。
当然复制哪个文件要看你Web.config文件的异常信息而定。

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