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the underlying conncetion was closed an unexpected error occurred on a receive

.Net  winform 程序可以运行,但是具体操作,查询,打印时 报错:

the underlying conncetion was closed an unexpected error occurred on a receive

 

查了半天也不知是什么情况,因为在自己的电脑及服务器上运行正常,但是现场人员老是报错,

排除问题思路:

程序问题: 本地和服务器都Ok       pass

电脑环境问题:让现场人员换了几台电脑,问题一样       pass

网络问题:让网络工程师排查,为域账号权限问题          over

 

the underlying conncetion was closed an unexpected error occurred on a receive